MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ff8705429d409122f0d0f34c7f50378f73e8eecfadcbf4c257439fc777e0a27. 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 10 File information Comments

SHA256 hash: 2ff8705429d409122f0d0f34c7f50378f73e8eecfadcbf4c257439fc777e0a27
SHA3-384 hash: 022f363015a4f760cdf7965d8a15d5b4d612a9a25e4e35be117c0fd3daf00ace30772527a481037a87ddbfc7847fa0cf
SHA1 hash: 9d5725b5c1b5f978a38d3d196f2b6835b9d2b39c
MD5 hash: 1473f1e780f410af20246e0c889b31cd
humanhash: beryllium-friend-low-pizza
File name:2ff8705429d409122f0d0f34c7f50378f73e8eecfadcbf4c257439fc777e0a27
Download: download sample
Signature Formbook
File size:782'336 bytes
First seen:2025-09-05 12:52:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:uTFvGz8han20KSiBCg4OSFFr9JZL94PqtvOqGN3+f5R/G4fM+6TN+H9anyM9pfw:c4iBC3FxyPmOd3Ew4k+6wHonyMM
Threatray 779 similar samples on MalwareBazaar
TLSH T1C5F412961246E902D4E92BF408B2E3F583BD6EDDA511D7079BE97CE77C1B202B811392
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
2ff8705429d409122f0d0f34c7f50378f73e8eecfadcbf4c257439fc777e0a27
Verdict:
Malicious activity
Analysis date:
2025-09-05 18:07:43 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:
90.9%
Tags:
shell virus msil
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
agenttesla obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-19T00:14:00Z UTC
Last seen:
2025-08-19T00:14:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-08-19 04:21:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
25 of 38 (65.79%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
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:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2ff8705429d409122f0d0f34c7f50378f73e8eecfadcbf4c257439fc777e0a27
MD5 hash:
1473f1e780f410af20246e0c889b31cd
SHA1 hash:
9d5725b5c1b5f978a38d3d196f2b6835b9d2b39c
SH256 hash:
27e5ffda53751e7360f380bd82a3176a7875a555f6af5b130fb2d64ff776c895
MD5 hash:
68845a1d0f6c65bb7ecc09ca76d2f005
SHA1 hash:
0145c4314c2cf41ae583bb32784fe780c1cdaf1d
SH256 hash:
a82ccd29c156ecaab8bdc429dc7617bb9965c639dcd58f585a0f450ea71e3f16
MD5 hash:
e23607b6d3c8901f3bbbb49323ddd1a0
SHA1 hash:
1def807e88756c560e3e10932e7c3d2fcbf44160
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4e68463959e9295134cd8a945b461600d638034eea86578c082362e87f2f9f28
MD5 hash:
77ff53e7dcb6fb00114d8e0025812ca3
SHA1 hash:
3bd2efd255107094977e28f64a351c2a714690a4
SH256 hash:
cd5cb124451f102c575a69653a68065b2763544f2fc8d0e8402faf1b361819f7
MD5 hash:
a4c10d69283529fb438f9c8c8ef66955
SHA1 hash:
7c5fea184d079cc5d66418637fb7393a079e290b
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:meth_stackstrings
Author:Willi Ballenthin
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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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