MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f2c927bfca234ef5f9b7bc01f6bcba0c5aeb85e6e8d5d5b6907d4e338f0314. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3f2c927bfca234ef5f9b7bc01f6bcba0c5aeb85e6e8d5d5b6907d4e338f0314
SHA3-384 hash: d7a6126e820634b511388cae2e5145ef7a114560720d2f8e35581f9fddc62606c355bc715bfc1c9d2f37e21a93438bdf
SHA1 hash: 6b601e6b8239fce6c56ee349686294470fd92796
MD5 hash: 0d2bac69efb585ccf77a1cfd1056f03a
humanhash: oregon-winner-early-sad
File name:3Z3IIgoQ1CFcFuW.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:924'672 bytes
First seen:2022-11-04 07:45:31 UTC
Last seen:2022-11-05 08:53:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:/QsQaMSOLe5zUiTcBY+eQMlTn/7JXXla0HYPQTndsk93lyE6nTi1fs2sFLTAehmS:AaMSieNcGLlT1r8QhfKe8TAqbD
TLSH T13C15E10FCAE6560ED6A9357818F0DAF75799CC00F84BC25F26C5AE5FB84323182627D6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d3b3b2a2a6b2b2f7 (5 x Formbook, 1 x Loki)
Reporter cocaman
Tags:exe FormBook QUOTATION

Intelligence

File Origin
# of uploads :
3
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
3Z3IIgoQ1CFcFuW.exe
Verdict:
Malicious activity
Analysis date:
2022-11-04 07:47:57 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5c3fa154-5adc-4486-8026-583ed169396f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/328374/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.2254.5295.12650.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6364c33f775605b3a4f38d54/reports/96069ba8-fa86-4324-af24-d9bf9258d106/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/63057a7a-d2f0-48c5-a00d-41a36d8f58d8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1105219
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3f2c927bfca234ef5f9b7bc01f6bcba0c5aeb85e6e8d5d5b6907d4e338f0314/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-03 08:28:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upzmsj57ziru55pzw66ad5v4xigfv24f43unlvnwsb6u4m4pamka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:axe3 rat spyware stealer trojan
Link:
https://tria.ge/reports/221104-jlztradbg7/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4c19bec6-f344-46e1-b155-38cb76ea4c6a
Unpacked files
SH256 hash:
6d90d28f0ef2fa7e0e629bc0e653b9cda5d7e142518d3ba2269c465f18b72eb3
MD5 hash:
980217113c4fb287c47fb2b59c9c207c
SHA1 hash:
97d847a8380650163826a0fd1ff3d84c9093ae29
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
Parent samples :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 hash:
de11a456c948ba4282c7add9fb49e2a9ecc30dd91594298c63472b795c120d8b
MD5 hash:
57d646cb8f88dc43e80bef7392c6d1d5
SHA1 hash:
c0072144218ce3cd497c5c7515c3eabd8837b703
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
SH256 hash:
ed555b02d964f49625d82a9ccfdaaad7eafaed6f8054935757fd88ae9e2f6ac7
MD5 hash:
a21cbfa218e54ec6c5680ff7503d788e
SHA1 hash:
94a6b7a136f990e0437794c4136545e3fb2ff70f
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
SH256 hash:
ebd6f8f00d5e2189fa80b6e0413b8a3bd841ad4615335b30842f058f31fdb681
MD5 hash:
c8cd11e687aa43db3ce11108e88902f5
SHA1 hash:
0f2cef73460241e9a15fa4fda9b18ab56cc72e88
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
SH256 hash:
a3f2c927bfca234ef5f9b7bc01f6bcba0c5aeb85e6e8d5d5b6907d4e338f0314
MD5 hash:
0d2bac69efb585ccf77a1cfd1056f03a
SHA1 hash:
6b601e6b8239fce6c56ee349686294470fd92796
Link:
https://www.unpac.me/results/8e61edf6-3a1c-4077-9899-f989ff9e5e59/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3f2c927bfca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a3f2c927bfca234ef5f9b7bc01f6bcba0c5aeb85e6e8d5d5b6907d4e338f0314

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: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

rar 3bd626d2c9a7eee5abe70b881a01da79e8eaf3c88a9b780384092cfa58691be7

Formbook

Executable exe a3f2c927bfca234ef5f9b7bc01f6bcba0c5aeb85e6e8d5d5b6907d4e338f0314

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3bd626d2c9a7eee5abe70b881a01da79e8eaf3c88a9b780384092cfa58691be7
Cape
Cape
https://www.capesandbox.com/analysis/328374/
  
Dropped by
MD5 b9a1028964f08b6acae9da27d1a61432

Comments