MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
SHA3-384 hash: 7aa11288968280dfa288762b50b801ce28a498b8857c41fe467cd009439b947efd81695d00c430fb2715928f312960ef
SHA1 hash: b6bf724c582f4467fb4d87108744cafbdbd1169b
MD5 hash: 94a2b51672c9fb20b8bc7ebfcbf648c0
humanhash: spaghetti-spring-foxtrot-november
File name:35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
Download: download sample
Signature Expiro
Create hunting rule
File size:3'101'805 bytes
First seen:2024-10-08 13:23:19 UTC
Last seen:2024-10-08 14:34:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 49152:7JZoQrbTFZY1iaCt55r1KX4wtxCliwzlGWm4FjNLlX1USl6G5tCaOOplYEawVubA:7trbTA1YKowvCrzkWm4Z3Ffl6+C8pXao
Threatray 1 similar samples on MalwareBazaar
TLSH T172E51221F9C68036C2F267B09EBFF759963D66360336D19B27C82D351EA05417B2A723
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter adrian__luca
Tags:exe Expiro

Intelligence

File Origin
# of uploads :
2
# of downloads :
356
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
Verdict:
No threats detected
Analysis date:
2024-10-08 13:29:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b9b997ee-46f1-4841-b827-a65b137255c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.23161.26180.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67053275a69182ddbe5d0483
Tags:
Autorun Autoit Remcos Emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc monero overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/67053278d92ce92b9f9b9809/reports/90b8f213-e5bc-403a-a9c8-7de33461d75f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9de45a5-c632-49fc-a0f4-1d9fceb6c7c8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1529033
Signature
AI detected suspicious sample
Antivirus detection for dropped file
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Detected Remcos RAT
Drops executable to a common third party application directory
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Infects executable files (exe, dll, sys, html)
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
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1529033 Sample: tyRPPK48Mk.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 60 zyiexezl.biz 2->60 62 zrlssa.biz 2->62 64 126 other IPs or domains 2->64 78 Suricata IDS alerts for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for dropped file 2->82 84 11 other signatures 2->84 10 tyRPPK48Mk.exe 3 2->10         started        13 wscript.exe 2->13         started        16 elevation_service.exe 2->16         started        18 19 other processes 2->18 signatures3 process4 dnsIp5 48 C:\Users\user\AppData\Local\...\name.exe, PE32 10->48 dropped 21 name.exe 1 10->21         started        106 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->106 25 name.exe 13->25         started        50 C:\Windows\System32\sppsvc.exe, PE32+ 16->50 dropped 108 Infects executable files (exe, dll, sys, html) 16->108 110 Found direct / indirect Syscall (likely to bypass EDR) 16->110 66 165.160.15.20, 49937, 80 CSCUS United States 18->66 68 172.234.222.138, 49843, 49851, 50236 AKAMAI-ASN1EU United States 18->68 112 Creates files inside the volume driver (system volume information) 18->112 114 Creates files in the system32 config directory 18->114 116 Contains functionality to behave differently if execute on a Russian/Kazak computer 18->116 file6 signatures7 process8 file9 46 C:\Users\user\AppData\Roaming\...\name.vbs, data 21->46 dropped 90 Drops VBS files to the startup folder 21->90 92 Switches to a custom stack to bypass stack traces 21->92 27 name.exe 21->27         started        29 armsvc.exe 21->29         started        31 svchost.exe 21->31         started        94 Writes to foreign memory regions 25->94 96 Maps a DLL or memory area into another process 25->96 33 svchost.exe 25->33         started        signatures10 process11 signatures12 36 name.exe 27->36         started        39 svchost.exe 27->39         started        76 Detected Remcos RAT 33->76 process13 signatures14 86 Writes to foreign memory regions 36->86 88 Maps a DLL or memory area into another process 36->88 41 svchost.exe 3 1 36->41         started        process15 dnsIp16 70 204.10.160.212, 49730, 49733, 49738 UNREAL-SERVERSUS Canada 41->70 72 dlynankz.biz 85.214.228.140, 50063, 50132, 80 STRATOSTRATOAGDE Germany 41->72 74 17 other IPs or domains 41->74 52 C:\Windows\System32\wbengine.exe, PE32+ 41->52 dropped 54 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 41->54 dropped 56 C:\Windows\System32\vds.exe, PE32+ 41->56 dropped 58 141 other malicious files 41->58 dropped 98 System process connects to network (likely due to code injection or exploit) 41->98 100 Detected Remcos RAT 41->100 102 Drops executable to a common third party application directory 41->102 104 Infects executable files (exe, dll, sys, html) 41->104 file17 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-09-17 09:38:11 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gwqfntctoax5hq6z6bre5lnoc6yoacwh6gh72ufwu4emyjyygraq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
expiro
Create hunting rule
admintool_powerrun
Create hunting rule
Similar samples:
error
Expiro
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat spyware stealer
Link:
https://tria.ge/reports/241008-qndgvsygqm/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
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
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
204.10.160.212:6622
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/97f135b2-b8a3-40c8-a42f-beb8dc2529f7
Unpacked files
SH256 hash:
abdd6f31a909b0b10e30ced74a1f6f037adf1f61a8a842048dbc254d6f076169
MD5 hash:
c33a7f0e25bb3f4d3c19fc8441e9d12b
SHA1 hash:
0286b277e97b9f7c217a0d029e8144f8e20b40b9
Link:
https://www.unpac.me/results/a311c7cb-87da-49cd-b765-3ca871075691/
SH256 hash:
81ccd88d0d8979bf36c91b313155d652354c07ce82706b7d74bf8792481323d8
MD5 hash:
302de2b2d2d4aa66973a4f2a56496dee
SHA1 hash:
78c7ffa280e82bcd7c885a3a07a25b51092b7eab
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/a311c7cb-87da-49cd-b765-3ca871075691/
Parent samples :
35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
4aa2ea3cc55b48f3f6e54c75d383592a6fd4fa449908adbc019c3fb676dd5285
SH256 hash:
40be044dbe782894c610bd1e41d9991e58ae57e1b437e3e5b8f75d3e62419e23
MD5 hash:
92705f0cdbed91ec83804d01bf364ab5
SHA1 hash:
d0c13b2f5b330890f8ec2abbec8508f5a8b36c6a
Link:
https://www.unpac.me/results/a311c7cb-87da-49cd-b765-3ca871075691/
SH256 hash:
6fa4814b7ff0cfecb79b3913725af5e0aafa60278cfcf9cf3de9f2f394b84d86
MD5 hash:
32b23046045324239066f1614dde2293
SHA1 hash:
8b394887d1b5b3505965c9172352132b242964f5
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/a311c7cb-87da-49cd-b765-3ca871075691/
SH256 hash:
35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441
MD5 hash:
94a2b51672c9fb20b8bc7ebfcbf648c0
SHA1 hash:
b6bf724c582f4467fb4d87108744cafbdbd1169b
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/a311c7cb-87da-49cd-b765-3ca871075691/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/35a056cc53702fd3c3d9f0624eadae17b0e00ac7f18ffd50b6a708cc27183441

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

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

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::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
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_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
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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