MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f77d3d54d53abf393f64e11d858760760953897f4d10025cc4816b9b8b87e6d. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 2f77d3d54d53abf393f64e11d858760760953897f4d10025cc4816b9b8b87e6d
SHA3-384 hash: 097c545a828d3353e01e4969d9a0e071b563c61e2706c98ae93a18a3c24cb262e3dd2f2833eef11651267c6a3a2a1a64
SHA1 hash: 811a10cad5dc796395c9db70996c4ad7d5bed59e
MD5 hash: 95e1b14be992fe978625c5cb3b8d9bc0
humanhash: blue-snake-harry-east
File name:obizx.bin
Download: download sample
Signature Formbook
File size:863'232 bytes
First seen:2023-08-11 06:51:38 UTC
Last seen:2023-08-11 13:17:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:11PDogBdFP40pLsYfijYPP/DuIeZnPuu80lru51dqchrly1Om5NMRJfOKlqTj13:k8naguIin2Mru5xhqNDMYTj13
Threatray 3'786 similar samples on MalwareBazaar
TLSH T13D05DF50AE7DDF82E56B4BB9008ED34E83B24C993523C13A59A750C6D4937C106EB7AF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
317
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
obizx.bin
Verdict:
Malicious activity
Analysis date:
2023-08-11 06:52:46 UTC
Tags:
formbook xloader stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oy30 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
ac8768f08b9495e7023b01546679be265510f5c2512d8bc2174d846eaeb379ab
MD5 hash:
4fafab18430d6a314b9e90797d939a72
SHA1 hash:
d3a649f6f6d72cf7416b325b6ff2f0f6aa1fd312
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
8a76896d25fc25ce19fe9633cb4b1e9636134872cdb2a489e9208796fa9d5a55
MD5 hash:
9e584ee9b231bedfa4f214cb748ba603
SHA1 hash:
710f03453757349f746be644d06579a86b700a7a
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
SH256 hash:
2f77d3d54d53abf393f64e11d858760760953897f4d10025cc4816b9b8b87e6d
MD5 hash:
95e1b14be992fe978625c5cb3b8d9bc0
SHA1 hash:
811a10cad5dc796395c9db70996c4ad7d5bed59e
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 2f77d3d54d53abf393f64e11d858760760953897f4d10025cc4816b9b8b87e6d

(this sample)

  
Delivery method
Distributed via web download

Comments