MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d. 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


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d
SHA3-384 hash: b14b1b4f962beeea02f35dbd9b6de7a60325c4e51e6c248c99e7c135e5c7de120a052b990e094a47189fb10a3fe4556b
SHA1 hash: 76a945839e8d08d8cf94e24f1fd39e442a69a390
MD5 hash: 9a32b0c965bd85c355eccdc7eb5dd43c
humanhash: helium-robert-timing-mango
File name:PO No-5100002069 Sr. No. 11 & PO No-5100002072 Sr. No. 8,10,17..exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'176'000 bytes
First seen:2024-11-11 08:48:17 UTC
Last seen:2024-11-11 08:53:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep 49152:4PVt/LZeJbInQRaNnL1LrECdk8kSOW+CSgFIDRRAubt5M:mTYbInQSL1LrECdk81OW+C7Uf
Threatray 4'871 similar samples on MalwareBazaar
TLSH T162A5F0027381D062FFAB92734B56F6114BBD79260123A61F13A81DB9FD701B1563EBA3
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
380
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO No-5100002069 Sr. No. 11 & PO No-5100002072 Sr. No. 8,10,17..exe
Verdict:
No threats detected
Analysis date:
2024-11-11 08:56:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f05cba98-bea1-4ef1-bc6d-3ad13cf259b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Expiro-9951780-0
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6731c533af2d3dc89feebff0
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6731c4ffbf7f55f86fbe1a63/reports/b58cb4d2-e42e-46f2-a962-2847e0542b0d/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/82321338-a782-40bb-892b-9579a106cb40
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1553483
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1553483 Sample: PO No-5100002069 Sr. No. 11... Startdate: 11/11/2024 Architecture: WINDOWS Score: 100 28 www.theawareness.shop 2->28 30 www.shintow.net 2->30 32 15 other IPs or domains 2->32 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 48 4 other signatures 2->48 10 PO No-5100002069 Sr. No. 11 & PO No-5100002072 Sr. No. 8,10,17..exe 1 2->10         started        signatures3 process4 signatures5 60 Binary is likely a compiled AutoIt script file 10->60 62 Writes to foreign memory regions 10->62 64 Maps a DLL or memory area into another process 10->64 13 svchost.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 BRBvdjzCJf.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 xcopy.exe 13 16->19         started        process10 signatures11 50 Tries to steal Mail credentials (via file / registry access) 19->50 52 Tries to harvest and steal browser information (history, passwords, etc) 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 3 other signatures 19->56 22 BRBvdjzCJf.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 estrela-b.online 162.241.63.77, 49999, 50000, 50001 UNIFIEDLAYER-AS-1US United States 22->34 36 ghs.googlehosted.com 142.250.185.147, 49983, 49985, 49986 GOOGLEUS United States 22->36 38 7 other IPs or domains 22->38 58 Found direct / indirect Syscall (likely to bypass EDR) 22->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-11-11 00:30:59 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbdclged7fndoou75fuj36tkso6gdgduafggd7ly227ev2vxdcoq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
Similar samples:
052dca4820559afcefaa0fc6769f8095e160d887a1e08e9393e4da9d3fa2a7eb
Formbook
219b2f19475b0ba36726568f9dd52320c1c44f24c9e3ac018c0742967e157ba2
Formbook
73c43276a112f5446ab22153b11ce0df6a6232709233ee12402402acb2584d56
Formbook
78b3f8f461aaa1a44a997c5a6b7dbac7b183461c53632449562c18ccb1683e3d
Formbook
88795ccbb26f764aa31d3e28c8df85f970334a67bc61b06682745b185900ea75
Formbook
8cdf7e716de26cf91167752202a426e1ba52756ffff52d30a576b1a412da500f
Formbook
c7fb83779d206d559af06767bbda550fa5d8f8efc330c4485154fd1ab485908c
Formbook
ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f
Formbook
error
Formbook
+ 4'861 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/241111-kq1ghswkfv/
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
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
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Win.Malware.Expiro-9951780-0
YARA:
n/a
Link:
https://app.threat.zone/submission/83e4db45-ad66-4bf4-860e-0c3bb5b70190
Unpacked files
SH256 hash:
44845af9c16e16f19438e06fbbc8b6d47efc58e7797b6af2dc632c638ef69e9b
MD5 hash:
5c5205476f49bc60f5acfcffcefceb3b
SHA1 hash:
6b05114d6d93455bb3925a7efa6d83fa5a175573
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/18de20c1-218f-4351-8f2c-f54ff5ca3c18/
Parent samples :
ef6ddc2212f7557f876f88bd5c49615a891c24f9479e4a13ef314620b79c4d46
5f04a86efa9bb3ce70b360fe0f8bec7ea3aef8c76c1368763f43c8ae0872f110
8ee137a7c9d2a0a3f2ca8d20c607251393bb5f6ab5370a5ece3ee7b4711d0606
b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d
eeaf62bbcdb7cfac4db0cc5f5b6ef8a742ffb376dcc1cd2983b2e4fdb42f160f
SH256 hash:
b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d
MD5 hash:
9a32b0c965bd85c355eccdc7eb5dd43c
SHA1 hash:
76a945839e8d08d8cf94e24f1fd39e442a69a390
Link:
https://www.unpac.me/results/18de20c1-218f-4351-8f2c-f54ff5ca3c18/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b046259883f9/report/overview.html
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/b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d

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:pe_detect_tls_callbacks
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Checking for malicious import combination that common Ransomware mostly use

File information

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

Malspam

Formbook

Executable exe b046259883f95a373a9fe9689dfa6a93bc619874014c61fd78d6be4aeab7189d

(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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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