MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6baa5a857ac8045ba485189e5098242a01946a00e35a7a541d7494562137aef1. 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 7 File information Comments

SHA256 hash: 6baa5a857ac8045ba485189e5098242a01946a00e35a7a541d7494562137aef1
SHA3-384 hash: 248eed030e6642a9b6e6cf436be17e37b763213c97164f2626cd70ce6b96fbc4ab78b1290189004c3c8bbb5555681e93
SHA1 hash: a531584dd2d139c68518f4b495229d1ff80a0a9b
MD5 hash: 5ed54b68c8d858b9771c90817cea0870
humanhash: whiskey-idaho-item-twelve
File name:6baa5a857ac8045ba485189e5098242a01946a00e35a7a541d7494562137aef1
Download: download sample
Signature Formbook
File size:838'144 bytes
First seen:2025-09-05 13:08:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:Hioooooigooonb35La8eI7/QkrWitVomtepquJ+fSrl:Coooooigooonb3xKIU10W0epqffa
Threatray 813 similar samples on MalwareBazaar
TLSH T1F00502647668A913E8FA62F10CA8D6B853FD4DDD3420E7CB1EEA2CDB3DD9B018501197
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 :
56
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
6baa5a857ac8045ba485189e5098242a01946a00e35a7a541d7494562137aef1
Verdict:
Malicious activity
Analysis date:
2025-09-05 20:10:22 UTC
Tags:
netreactor formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
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:
Malicious
File Type:
exe x32
First seen:
2025-08-21T11:04:00Z UTC
Last seen:
2025-08-21T11:04:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2025-08-21 13:42:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6baa5a857ac8045ba485189e5098242a01946a00e35a7a541d7494562137aef1
MD5 hash:
5ed54b68c8d858b9771c90817cea0870
SHA1 hash:
a531584dd2d139c68518f4b495229d1ff80a0a9b
SH256 hash:
7f8b726debfd75e600a782585804fa5c253916e3f16398d33576d344add93246
MD5 hash:
b83b3ee9d8a2b47ae0fc3e02014465d7
SHA1 hash:
367cfe50a493040fbbc2700233227d000220bdce
SH256 hash:
fc4b67409ffa1051ecb459d32e0bfdbcaf7c62e498430d0d56c23a3e3c27bff0
MD5 hash:
7211f34e2a294d0171119f9787ca7d18
SHA1 hash:
90f402d0b28a6a218ae75f262bca85ccec6bc400
SH256 hash:
5f5596b744036b741aab4ba065f13eca9a5898170e3948bf39be048e3fc2715e
MD5 hash:
49a823b2f4c48f0a44a854068dd2a2a0
SHA1 hash:
94fc9c90b17ce42e2498eae0a16e6254a6234c99
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
68c7f7fe5a4f84fb3b4c1c5249dd51f47003389ab4b8ec01a46c42058858cbdc
MD5 hash:
a705ebd576e3acc942df3fe13bf9171e
SHA1 hash:
c02538489c4107ca74a0ef16529f6edde1986ceb
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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