MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Expiro


Vendor detections: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
SHA3-384 hash: d7961f1e694884ffdf33b5f1da3d72af16c1547695536a61b8e6107b247b44ed2be743bd63d4b43f187436767f4a990b
SHA1 hash: 8ec7beb8a9bb5c5fdf769698ea2abf553e6a655d
MD5 hash: 33ffa6b9a3022156b4592e17f1a9a074
humanhash: lion-magazine-finch-mockingbird
File name:PO #09465610_GQ 003745_SO-242000846.exe
Download: download sample
Signature Expiro
Create hunting rule
File size:1'851'904 bytes
First seen:2024-11-22 17:53:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Otb20pfaCqT5TBWgNQ7aDEgJ+y+wn4DocDtE6AE5sqjnhMgeiCl7G0nehbGZpbD:7Yg5tQ7aDEPy+wn47DK5qDmg27RnWGj
Threatray 1'740 similar samples on MalwareBazaar
TLSH T1D885F02373DD8365C7B26273BA65B741BE7B7C2506B0F86B2FD4093DA920121521EA73
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe Expiro

Intelligence

File Origin
# of uploads :
1
# of downloads :
483
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO #09465610_GQ 003745_SO-242000846.exe
Verdict:
Malicious activity
Analysis date:
2024-11-22 17:54:44 UTC
Tags:
expiro sinkhole evasion snake keylogger
Link:
https://app.any.run/tasks/8efab185-f9a4-4b11-8a51-787534c2d378

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Expiro.153.16512.27280.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6740c668b31374f0983388f3
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying an executable file
Creating a window
Launching a service
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Modifying a system executable file
Launching a process
Connection attempt to an infection source
Loading a system driver
Modifying a system file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Enabling autorun for a service
Query of malicious DNS domain
Enabling autorun with the shell\open\command registry branches
Forced shutdown of a system process
Infecting executable files
Sending an HTTP POST request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug autoit cmd compiled-script fingerprint hacktool keylogger lolbin microsoft_visual_cc monero packed packed packer_detected phishing rasautou regedit wmic
Link:
https://www.filescan.io/uploads/6740c53dfbec06b76a1a59a7/reports/f14b5392-adde-4fc5-9843-b3b18931eb41/overview
Verdict:
Malicious
Labled as:
Virus/Expiro.q@expiro_x3
Link:
https://www.hybrid-analysis.com/sample/b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58c3af2f-632b-443b-a505-c4dbb138b8ad
Result
Threat name:
MassLogger RAT, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1561085
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Drops executable to a common third party application directory
Drops large PE files
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Infects executable files (exe, dll, sys, html)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes data at the end of the disk (often used by bootkits to hide malicious code)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1561085 Sample: PO #09465610_GQ 003745_SO-2... Startdate: 22/11/2024 Architecture: WINDOWS Score: 100 86 reallyfreegeoip.org 2->86 88 zlenh.biz 2->88 90 19 other IPs or domains 2->90 104 Suricata IDS alerts for network traffic 2->104 106 Found malware configuration 2->106 108 Malicious sample detected (through community Yara rule) 2->108 112 15 other signatures 2->112 12 alg.exe 1 2->12         started        17 PO #09465610_GQ 003745_SO-242000846.exe 5 2->17         started        19 wscript.exe 2->19         started        21 7 other processes 2->21 signatures3 110 Tries to detect the country of the analysis system (by using the IP) 86->110 process4 dnsIp5 92 lpuegx.biz 82.112.184.197, 49727, 49782, 49833 FIRST_LINE-SP_FOR_B2B_CUSTOMERSUPSTREAMSRU Russian Federation 12->92 94 xlfhhhm.biz 47.129.31.212, 49935, 80 ESAMARA-ASRU Canada 12->94 98 5 other IPs or domains 12->98 68 C:\Program Files\...\updater.exe, PE32+ 12->68 dropped 70 C:\Program Files\...\private_browsing.exe, PE32+ 12->70 dropped 72 C:\Program Files\...\plugin-container.exe, PE32+ 12->72 dropped 80 120 other malicious files 12->80 dropped 136 Creates files in the system32 config directory 12->136 138 Writes data at the end of the disk (often used by bootkits to hide malicious code) 12->138 140 Drops executable to a common third party application directory 12->140 96 cvgrf.biz 54.244.188.177, 49704, 49705, 49706 AMAZON-02US United States 17->96 74 C:\Windows\System32\alg.exe, PE32+ 17->74 dropped 76 DiagnosticsHub.Sta...llector.Service.exe, PE32+ 17->76 dropped 78 C:\Windows\System32\AppVClient.exe, PE32+ 17->78 dropped 82 5 other malicious files 17->82 dropped 142 Binary is likely a compiled AutoIt script file 17->142 144 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->144 146 Infects executable files (exe, dll, sys, html) 17->146 23 Grinnellia.exe 2 17->23         started        148 Windows Scripting host queries suspicious COM object (likely to drop second stage) 19->148 27 Grinnellia.exe 19->27         started        150 Contains functionality to behave differently if execute on a Russian/Kazak computer 21->150 152 Found direct / indirect Syscall (likely to bypass EDR) 21->152 file6 signatures7 process8 file9 64 C:\Users\user\AppData\...behaviorgraphrinnellia.vbs, data 23->64 dropped 114 Binary is likely a compiled AutoIt script file 23->114 116 Drops VBS files to the startup folder 23->116 118 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->118 120 Switches to a custom stack to bypass stack traces 23->120 29 Grinnellia.exe 1 23->29         started        33 RegSvcs.exe 23->33         started        122 Writes to foreign memory regions 27->122 124 Maps a DLL or memory area into another process 27->124 35 RegSvcs.exe 27->35         started        signatures10 process11 file12 84 C:\Users\user\AppData\Local\...\aut8C49.tmp, StarOffice 29->84 dropped 154 Binary is likely a compiled AutoIt script file 29->154 156 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 29->156 158 Writes to foreign memory regions 29->158 160 Maps a DLL or memory area into another process 29->160 37 RegSvcs.exe 6 29->37         started        signatures13 process14 file15 60 C:\Users\user\AppData\Local\...\server01.exe, PE32 37->60 dropped 62 C:\Users\user\AppData\...\Trading_AIBot.exe, PE32 37->62 dropped 40 Trading_AIBot.exe 37->40         started        44 server01.exe 37->44         started        process16 dnsIp17 66 C:\Users\user\AppData\Roaming\...\apihost.exe, PE32 40->66 dropped 126 Uses schtasks.exe or at.exe to add and modify task schedules 40->126 128 Drops large PE files 40->128 130 Adds a directory exclusion to Windows Defender 40->130 47 powershell.exe 40->47         started        50 schtasks.exe 40->50         started        52 apihost.exe 40->52         started        100 checkip.dyndns.com 132.226.8.169, 49710, 80 UTMEMUS United States 44->100 102 reallyfreegeoip.org 104.21.67.152, 443, 49712 CLOUDFLARENETUS United States 44->102 132 Tries to steal Mail credentials (via file / registry access) 44->132 134 Tries to harvest and steal browser information (history, passwords, etc) 44->134 file18 signatures19 process20 signatures21 162 Loading BitLocker PowerShell Module 47->162 54 conhost.exe 47->54         started        56 WmiPrvSE.exe 47->56         started        58 conhost.exe 50->58         started        process22
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-11-22 18:06:00 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wm3igdlcoeawgpnzgt4njbqgmoohbujtuwmfajv4eugagxuip6xq._file
Verdict:
malicious
Label(s):
expiro
Create hunting rule
Similar samples:
1dacb7eeb34fff605ba9d6b2c69797839fbf39dc4b675a12bb608a4d04135ae8
Expiro
4eae876a9c21fadb647a6fe14c83272189ace267ebed4b320c73da14e095dec7
Expiro
4eda01089b6fd41050aae217e8b03155ad2732bf3e6fb3f7d09d58c6851e75cd
Expiro
606208be5de0084765d4f19d34c2a9b1b9f537f12ce469c733aceeddd3c091e6
Expiro
7fe8eb1d71fbf75851d70673fa7e5d90c95c643437be3b5b0a7e104439263684
Expiro
b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
Expiro
error
Expiro
+ 1'730 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/241122-wgvqfsvpay/
Behaviour
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
trojan expiro 404Keylogger Expiro
YARA:
Windows_Virus_Expiro_84e99ff0
Link:
https://app.threat.zone/submission/a9d1705f-6e45-4d98-a3d1-6edc7e1d1bbf
Unpacked files
SH256 hash:
7f73743991e06e23b0a1fec66a8fa5f194d49fbe15c58473d10798758c856d31
MD5 hash:
0cdbe0cd3cb5c2f0b2cb17e4417d43f5
SHA1 hash:
e3aa6201e5a42adfa1bfb4506d6852de22e07494
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Link:
https://www.unpac.me/results/deaec21b-9949-4b14-8af8-e37d5e33fccb/
Parent samples :
b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
9a1973e5fed817352699227ba40f3d5149221221882377c9a127bbf011f7f1cd
75691dfc15e24ea4920f9309bc68aedf808fb60379c0410d898cafaab4f8328b
SH256 hash:
c7a277c2dfbee1d6a5536a6a670b50e35625af0fd64616adb676208c013841fc
MD5 hash:
1018a75e202e0ca147812df72c8be961
SHA1 hash:
93ea1fb77fc6519ce8a34ff561f2417a69fdc099
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/deaec21b-9949-4b14-8af8-e37d5e33fccb/
SH256 hash:
bf45755ed0f34133a718a63f41f0e8dfc2e2f60ec136308658db7ff7f5a19a04
MD5 hash:
734ea0e39fe178fff68e76013214ee14
SHA1 hash:
8465f81bdaa655c349809116ba49cc5acd284137
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
RedLine_Campaign_June2021
Create hunting rule
Link:
https://www.unpac.me/results/deaec21b-9949-4b14-8af8-e37d5e33fccb/
SH256 hash:
f19763b48b2d2cc92e61127dd0b29760a1c630f03ad7f5055fd1ed9c7d439428
MD5 hash:
e91a1db64f5262a633465a0aaff7a0b0
SHA1 hash:
396e954077d21e94b7c20f7afa22a76c0ed522d0
Link:
https://www.unpac.me/results/deaec21b-9949-4b14-8af8-e37d5e33fccb/
SH256 hash:
c0f2432adca0c76eb284b88a4e9ccca17aaee0555fc97038f66d1ac875b5eff8
MD5 hash:
e1ac146ca652c0e3826332f37dbe40fa
SHA1 hash:
6ffc36a51ee9d349e465d721c0e5eff01ebfc041
Detections:
win_samsam_auto
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MetaStealer_NET_Reactor_packer
Create hunting rule
MALWARE_Win_RedLine
Create hunting rule
SUSP_OBF_NET_Reactor_Native_Stub_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/deaec21b-9949-4b14-8af8-e37d5e33fccb/
SH256 hash:
b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
MD5 hash:
33ffa6b9a3022156b4592e17f1a9a074
SHA1 hash:
8ec7beb8a9bb5c5fdf769698ea2abf553e6a655d
Link:
https://www.unpac.me/results/deaec21b-9949-4b14-8af8-e37d5e33fccb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Virus_Expiro_84e99ff0
Create hunting rule
Author:Elastic Security
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Expiro

Executable exe b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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