MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281
SHA3-384 hash: 6c319278bffafba6b4601dd747918e20ccddb4ec880c8139d54c547b48409467bbe4e5918d001d5dc20e9b95fa0fb919
SHA1 hash: 0073a2999ea17ea55624d2578c5f1ab41e036c5f
MD5 hash: 91c528dc0a2dbc690acef1593d6fe401
humanhash: item-leopard-mirror-massachusetts
File name:b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281
Download: download sample
Signature Formbook
Create hunting rule
File size:752'128 bytes
First seen:2025-09-05 13:02:16 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 12288:hxOeBxXkYaKg/LOC172Kbj9QzKlQ//9UKty/lWjmQ6tVw0TEwDwnd1han2:fnBxXkYahOg72iBzlQHqfde6D1TEH
Threatray 794 similar samples on MalwareBazaar
TLSH T132F4024462A6EB02C1EA6BF82D71D67583BA6EA97512C3055FEA7DEF3C36B401C40353
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281
Verdict:
Malicious activity
Analysis date:
2025-09-05 19:21:18 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/9b3dbaec-3781-4261-bac5-e623f9f537d6

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/25543/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68badf793e988eb6ab83c650
Tags:
virus shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68baea0c37c25fcf12d4c835/reports/72413b95-1182-40c8-b919-bcdad1bf06ff/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-19T22:58:00Z UTC
Last seen:
2025-08-19T22:58:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d8b7fc3a-253e-4a7b-bc2b-9bec0fa7d519
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.37 Win 32 Exe x86
Link:
https://app.malva.re/file/91c528dc0a2dbc690acef1593d6fe401
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-08-20 08:37:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wypznwct2u3d7plx3c2glsjzjo3anr7f4rdrpkusgaeyylfoukaq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
2ff8705429d409122f0d0f34c7f50378f73e8eecfadcbf4c257439fc777e0a27
Formbook
3f3bedd484f8e49e35bd9e77b1ae88b27d5efc747a44dee28277be0556653ecb
Formbook
446db8c0272f51979be2c65ad7ff221e5b00b3d3718a16cb2e6f7bd2f4003773
Formbook
45c64c04137dbd68881ec07852bf10e7c491f504e1f78247b1217114cab47d3e
Formbook
4da133b1ed7d9098b7b76b888472c069a08da9334cac292ea995c113d54812e3
Formbook
5ee3dca8cae3f74a8d15e487328d1a33c28ca7098c747f2d50e4e5547d038474
Formbook
62f63b180fc726bb6d54ecba4b3edb4436e2442953b07aea87c0e60cf057417f
Formbook
cba5a4c3813bbce1dfd6591d94bdd59e773c33d06d4a534da0b3cb527f0a9f7b
Formbook
e2dc30f133c91cab67e24cebc23291f6953654e16d4ea2621dd64dd500c5cc9a
Formbook
e716163f54adee3d2033774eb284550be239f8fa3027ce66724173f822a1131d
Formbook
error
Formbook
+ 784 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250905-q3v1fsar2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/62cd6214-d521-4f46-845a-a590057aa5c8
Unpacked files
SH256 hash:
b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281
MD5 hash:
91c528dc0a2dbc690acef1593d6fe401
SHA1 hash:
0073a2999ea17ea55624d2578c5f1ab41e036c5f
Link:
https://www.unpac.me/results/d7c32f7e-f953-482f-ac29-3090b22efb0b/
SH256 hash:
7b90dfa5a1e1cb97014bb839dfe66577109a9bfdebf37a1d943747fd6297ec54
MD5 hash:
175a8b2e9d8e3bf7a1920fc6b93371f4
SHA1 hash:
054b4bc3e37be1e79020b0a49fcbb308a5ce2916
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d7c32f7e-f953-482f-ac29-3090b22efb0b/
Parent samples :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 hash:
2da5782c8e95c3279342f1cb20834e0db25dbef43d4bfa6acad7d28d994e7511
MD5 hash:
45bfb117a60ebea3a4ab77896857e912
SHA1 hash:
0791234ea9b507971bff1f33628e3a0ae9984a89
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/d7c32f7e-f953-482f-ac29-3090b22efb0b/
SH256 hash:
74a0e188e432790a87f90e712898baf02d9f7225aa029b9268908f32c99078ef
MD5 hash:
d29b624e6c72bfd8c8719c4d5039ddca
SHA1 hash:
2127437f696120349a4665995cedaa126538ba34
Link:
https://www.unpac.me/results/d7c32f7e-f953-482f-ac29-3090b22efb0b/
SH256 hash:
acb2302ead72f20da280d27f6b534e011305f1876db920e574b42a939160ab18
MD5 hash:
2872e59a70096b47789881980eec04f7
SHA1 hash:
1e0aa319b8374f2a89cdaab0d2aa0194dbc25a31
Link:
https://www.unpac.me/results/d7c32f7e-f953-482f-ac29-3090b22efb0b/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b61f96d853d5/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/b61f96d853d5363fbd77d8b465c9394bb606c7e5e44717aa9230098c2caea281

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/25543/

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