MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9257e5bd1e9577b49632c9909fabe988eaa84d5a85fe7ff3279e57c52eeacfa. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9257e5bd1e9577b49632c9909fabe988eaa84d5a85fe7ff3279e57c52eeacfa
SHA3-384 hash: deca4ae692310db9d3aeac39e456f6d7d045ed7ee70ec2222b5ef98f875fd9b15467d684667ca99fbb480389d9cf0876
SHA1 hash: b0a835bd02011d10f398ea51b2713084ec1b11b5
MD5 hash: cf7c842dfbf541a670dc5bc914516847
humanhash: rugby-florida-nevada-east
File name:SecuriteInfo.com.Trojan.Win32.Save.a.11011.31178
Download: download sample
Signature Formbook
Create hunting rule
File size:27'576 bytes
First seen:2021-10-28 12:49:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:r+ekc2D26R7pXha5eglsuvUenL611tZT2g7DFGc1QzOQssuuzfWGDhO:r+JcMnacglbh+FogtZ1QOs9fhO
Threatray 1 similar samples on MalwareBazaar
TLSH T146C23B2E8B959633DC7A4E3694A21600BB78E7037853EF3F99CAA0454D533413AF163E
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/200927/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.11011.31178.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed packed
Link:
https://www.filescan.io/uploads/617a9c7edb358dd15ee3183d/reports/cc244b3f-06bc-41e0-a684-959ddb43abbe/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a54e7ab2-adec-4235-a18e-75697732d6ec
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/878580
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9257e5bd1e9577b49632c9909fabe988eaa84d5a85fe7ff3279e57c52eeacfa/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-10-28 12:50:08 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  2/5
Verdict:
unknown
Similar samples:
968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rf3t rat spyware stealer trojan
Link:
https://tria.ge/reports/211028-p2yjhsgdaq/
Behaviour
Suspicious use of AdjustPrivilegeToken
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.logjed063.xyz/rf3t/
Unpacked files
SH256 hash:
a9257e5bd1e9577b49632c9909fabe988eaa84d5a85fe7ff3279e57c52eeacfa
MD5 hash:
cf7c842dfbf541a670dc5bc914516847
SHA1 hash:
b0a835bd02011d10f398ea51b2713084ec1b11b5
Link:
https://www.unpac.me/results/d2e9b57e-dd2a-45d0-b41b-0ccaaa7576bb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a9257e5bd1e9577b49632c9909fabe988eaa84d5a85fe7ff3279e57c52eeacfa

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe a9257e5bd1e9577b49632c9909fabe988eaa84d5a85fe7ff3279e57c52eeacfa

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/200927/
  
URLhaus
https://urlhaus.abuse.ch/url/1722923/
  
Delivery method
Distributed via web download

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