MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894
SHA3-384 hash: 036e5e12c75227daedf32bda0256f640f27904a8caf4c0ce015523af66a09068c5d72345e688830d8f49eb53223c152c
SHA1 hash: 6184b604894e73b692e93c912bb668d9d2bf469f
MD5 hash: e6e4cd20a1495fc3fc755f09ad0c6679
humanhash: blossom-quebec-helium-floor
File name:image003.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:686'592 bytes
First seen:2024-09-11 15:26:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:t87kvzMQamU6XMjoY+wkO7g6AU+9PiHN52T3V/v0gRTI5vlNBF4yZVNr8c24zfi:t8ozMXmDXBY+/Whz52T51YlTF1Bg4
Threatray 2'015 similar samples on MalwareBazaar
TLSH T155E41286727C0743D6BE4BF15522561003F8B4AA3538F71ACCEE76C91E7AF0146E1A9B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
426
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
image003.exe
Verdict:
Suspicious activity
Analysis date:
2024-09-11 15:27:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a66242f1-f1cf-45e0-b14e-51fe67fc02b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.710.27560.17032.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e1b6c8751db35a8b9f7a37
Tags:
Execution Generic Network Static Stealth Msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66e1b6c7f3d08fbdb578a516/reports/c4698d17-f0c0-4cc6-8df9-557cdcc6ff41/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894
Result
Verdict:
UNKNOWN
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65ab0a23-35a1-4a90-beaf-f40122bc5a74
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1509487
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1509487 Sample: image003.exe Startdate: 11/09/2024 Architecture: WINDOWS Score: 100 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected AntiVM3 2->50 52 5 other signatures 2->52 7 image003.exe 7 2->7         started        11 guzJeiaETnSsw.exe 5 2->11         started        process3 file4 38 C:\Users\user\AppData\...\guzJeiaETnSsw.exe, PE32 7->38 dropped 40 C:\...\guzJeiaETnSsw.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmpAD6B.tmp, XML 7->42 dropped 44 C:\Users\user\AppData\...\image003.exe.log, ASCII 7->44 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 7->54 56 Adds a directory exclusion to Windows Defender 7->56 13 powershell.exe 23 7->13         started        16 schtasks.exe 1 7->16         started        18 vbc.exe 7->18         started        26 4 other processes 7->26 58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 20 schtasks.exe 1 11->20         started        22 vbc.exe 11->22         started        24 vbc.exe 11->24         started        28 3 other processes 11->28 signatures5 process6 signatures7 62 Loading BitLocker PowerShell Module 13->62 30 WmiPrvSE.exe 13->30         started        32 conhost.exe 13->32         started        34 conhost.exe 16->34         started        36 conhost.exe 20->36         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894/
Threat name:
ByteCode-MSIL.Trojan.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2024-09-11 08:53:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mq3rensi5rojqfw7unpj6uhuxjhcdv2zo5odfjc72jae72v5bcka._file
Verdict:
malicious
Similar samples:
5386b2eb77cc7380bec83dddc6594d4174a2ad01af73c29e813aa6a432779507
Formbook
5923afec6760f34abb071e67ec0414a302c9be5428f56e41c78f3cb0dc5fad50
Formbook
aa6b8820cd838b9e7f2279f34b9089153d1014f57bbbe4afa626cf2335f5f382
Formbook
b246a081a4c5a68590f53f2e7564a770df3d2aa16272f49ee2ad2d2b8a6d1005
Formbook
f5c32143c64d8b730eb7e5e4c3fec3eb2124173d7ae6a4e445f4c875b7abfa0b
Formbook
+ 2'005 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240911-svq3msyckh/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/60cc77bd-2cc1-46bd-b1ab-09cf98cdbfba
Unpacked files
SH256 hash:
928a3ed4c194379c46bce36c6ea2f603e8006cff91920c860d74b9eb02f0ccf7
MD5 hash:
e82f5b7d03ef6dfdf40c20c9b198736c
SHA1 hash:
5c7abd85c15b805cee21bec9af4e521453c06838
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/9617600f-1a00-4e5d-841e-69f6fb6cd167/
Parent samples :
70038b71f248dc262f64149d12a08c94e07a73e7bd72502b541a4dfb155446e0
6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894
e88d0ce2a1ef65103221e16ad5a3d31c74799fa7b75dc6ccea1c2a7c8ba5a857
SH256 hash:
504682d85312276f72e98871b4367726dfee41f0c18b92cafc48ea24af848232
MD5 hash:
5e78edb9e78831c6b54b7686b99e1764
SHA1 hash:
958c363644244b827aba70bf03eadc8f92d70abe
Link:
https://www.unpac.me/results/9617600f-1a00-4e5d-841e-69f6fb6cd167/
SH256 hash:
2a38752dcc41d0da1f186dff724d5481747400d10c95957fbeb110c48c84cf56
MD5 hash:
4fd586104b9cc20080cb4540a57e1aef
SHA1 hash:
83b79a551bbcd970f896953f3d30e43cdc620062
Link:
https://www.unpac.me/results/9617600f-1a00-4e5d-841e-69f6fb6cd167/
SH256 hash:
c80c471def5b1e8d69a806f81a712d22581a03be56ea860d1213c3c985a46f6d
MD5 hash:
c6eeedc5ddef9384b1e0733ecd22e42e
SHA1 hash:
c8c4f53be209774f0ce8512452f21666c9f06c4e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/9617600f-1a00-4e5d-841e-69f6fb6cd167/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/9617600f-1a00-4e5d-841e-69f6fb6cd167/
SH256 hash:
6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894
MD5 hash:
e6e4cd20a1495fc3fc755f09ad0c6679
SHA1 hash:
6184b604894e73b692e93c912bb668d9d2bf469f
Link:
https://www.unpac.me/results/9617600f-1a00-4e5d-841e-69f6fb6cd167/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6437123648ec/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 6437123648ec5c9816dfa35e9f50f4ba4e21d759775c32a45fd2404feabd0894

(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

Comments