MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
SHA3-384 hash: 1c952a30b2498bf516d15954fbe82d952d3bf35cade13b715d2316f4341bf757a57f6401cb4b92c61edb4d76298b2c4e
SHA1 hash: aded87d14abdfd7d05003fa448b41a50de706bb6
MD5 hash: 2ffe73c83a6895e79bd1501d305e8f0d
humanhash: football-nineteen-wyoming-colorado
File name:PreAdvseReportCMS2601517348178.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'056'768 bytes
First seen:2026-01-31 04:42:24 UTC
Last seen:2026-02-02 14:35:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'814 x AgentTesla, 19'736 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 24576:2o7CHHaZ81b/xCgr8k2sFOM94HUL+eIj2oGC+znvth:2bHaZ81b/xClXsFEHupOXGx7t
Threatray 48 similar samples on MalwareBazaar
TLSH T1C625118527B8DB16C5794BF85972E0706B34BC6CEA02E20A5FC66DDFB43AF445980B43
TrID 35.4% (.EXE) Win64 Executable (generic) (10522/11/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
149
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5d5dad5f-6d34-4556-b1fd-6a092ee416b5/
Malware family:
n/a
ID:
1
File name:
_b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2.exe
Verdict:
No threats detected
Analysis date:
2026-01-31 04:45:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cce61a93-f953-4597-ae29-1bbae49e6f1c

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/50955/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3223.9268.18010.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697d8838d93e7233498c02f0
Tags:
micro
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context krypt obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/697d8833930564ff3c802f20/reports/8dfae52d-b94e-4df5-ac23-ef36d15882de/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-31T00:48:00Z UTC
Last seen:
2026-02-02T02:32:00Z UTC
Hits:
~1000
Detections:
HEUR:Backdoor.MSIL.Remcos.gen Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb VHO:Backdoor.Win32.Androm.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3e0532f-6bc9-405c-8c06-b0b6c65388bd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1860818
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1860818 Sample: PreAdvseReportCMS2601517348... Startdate: 31/01/2026 Architecture: WINDOWS Score: 76 19 Multi AV Scanner detection for submitted file 2->19 21 Yara detected FormBook 2->21 23 Yara detected AntiVM3 2->23 25 2 other signatures 2->25 7 PreAdvseReportCMS2601517348178.exe 3 2->7         started        process3 file4 17 C:\...\PreAdvseReportCMS2601517348178.exe.log, ASCII 7->17 dropped 27 Injects a PE file into a foreign processes 7->27 11 PreAdvseReportCMS2601517348178.exe 7->11         started        13 PreAdvseReportCMS2601517348178.exe 7->13         started        signatures5 process6 process7 15 WerFault.exe 21 16 11->15         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-01-31 03:53:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wd5ct7vu3jepbcgz4ob5ccwyv3ych35jd5sqcfblwhzaosp5epja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014f82191da6caeb5662632441b2793fa4ed776f53913b5bac0d47133796397b
Formbook
5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
Formbook
94a5d0a78eb2c92ead0a0a9055649c5b4e0fb1f2b175ff5c0dd7434f11da7ec3
Formbook
b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
Formbook
d018cce8feede53d9464755079225cb6a52d8e277cbb0d49b4ec0fd984b4eb71
Formbook
error
Formbook
+ 38 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260131-fbxd4ahw2e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook family
Formbook
Unpacked files
SH256 hash:
b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
MD5 hash:
2ffe73c83a6895e79bd1501d305e8f0d
SHA1 hash:
aded87d14abdfd7d05003fa448b41a50de706bb6
Link:
https://www.unpac.me/results/e2da20e2-3e5f-44fb-85f6-3a2e6a396cd3/
SH256 hash:
77a22aa49513f0424017549f49bcf531c73e728d00d509fbb144b201ce4e0bcb
MD5 hash:
fab9060d31e97662094a2c13835d6418
SHA1 hash:
04b7d52b2d4cd289effe0f8b506367397dd6de0e
Link:
https://www.unpac.me/results/e2da20e2-3e5f-44fb-85f6-3a2e6a396cd3/
SH256 hash:
431d988a86e386832cf2303ecf1e91352dd51bef540252d07d519204c8d81f7c
MD5 hash:
6b6f403ac7b993bac01575d57c701ea7
SHA1 hash:
4ee355f0c452c90c80d2618518a0b1fbabe36400
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/e2da20e2-3e5f-44fb-85f6-3a2e6a396cd3/
SH256 hash:
2094497b3f255e8a87c2b757c2d70211bf9d57409352ccb7bfd396d41d332a93
MD5 hash:
cf4b62421ea5b6cc3c2e98c43cab27b3
SHA1 hash:
a35e74869129abb17e42a8670d71d6f75e6258dc
Link:
https://www.unpac.me/results/e2da20e2-3e5f-44fb-85f6-3a2e6a396cd3/
SH256 hash:
6bda6986df86ef3ef0db6d26830619d73be0bcbdca4dad6372179d11e8297c77
MD5 hash:
537d92e449095fdd8e5419ce3b9ce2bb
SHA1 hash:
f1ad1142f726fef2a40a30ed0cca359466c7352f
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e2da20e2-3e5f-44fb-85f6-3a2e6a396cd3/
Parent samples :
e4ff62b66b02a6f78870344b002d83ae80391d1cc0b1651085f23f28d41f027b
b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b0fa29feb4da/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/b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 b0fa29feb4da48f088d9e383d10ad8aef023efa91f6501142bb1f20749fd23d2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/50955/

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