MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5f627e96016f33374d51c988a8a5c41072cc03ed73adcaf19dee2853976d50f. 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: 12


Intelligence 12 IOCs YARA 21 File information Comments

SHA256 hash: c5f627e96016f33374d51c988a8a5c41072cc03ed73adcaf19dee2853976d50f
SHA3-384 hash: 09da4ce68269146fe4d00d6ea9193c3dffec32447ecea0dbde1e77c5f56784f66dccc40a53faf40695e526f0052d25ed
SHA1 hash: fc82245b9d247bbe318fcb84b5cc2b2a852f259e
MD5 hash: 2af72caec89df931b4b4df1f0222de4d
humanhash: football-east-football-double
File name:2af72caec89df931b4b4df1f0222de4d.exe
Download: download sample
Signature Formbook
File size:662'016 bytes
First seen:2023-12-06 16:44:00 UTC
Last seen:2023-12-06 18:25:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:5kRQaueH5qQEz9WA/DobPn6ARWqtQ4VUxJaiACEF2Uq7YL9nXJmBRj1GchMR6z6:5kvqJ4+DobZR5m4VUn9AnFqGnUnEchk6
TLSH T16CE4230A738C9933D3ABF8B4651D31A6523BE82356E1D18EDC7125DD8CB3F492262E47
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)
File icon (PE):PE icon
dhash icon 480013cccc553380 (15 x AgentTesla, 5 x SnakeKeylogger, 5 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
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)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-06 07:59:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
52677e6aabf24bdf01df8baa644538f3856e7fe0f882a49a0e535edee0ddfd0d
MD5 hash:
ddbe63981392f3b72958aece167cd53f
SHA1 hash:
b89dfad23fff8204445430811b7529570d9b86f7
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
070e8a42b47f7cb36c6ee9335c0a6341ba66681fb4e694deb06ceff90e453201
MD5 hash:
bbfa42b89636baa3484077a3315795fd
SHA1 hash:
a07cbb0e73aec5c44c0eebd3e28ccdd01a529f33
SH256 hash:
102933872e66615a505dd621d3c72d3ccd508a626b47e546217b0311eb021172
MD5 hash:
c3f06a86eff5a16196d113db4ef928e2
SHA1 hash:
fcd6f08063abe5f8b23dd74c19f6f94260ef640e
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
e72b64e3119db4738c1525a4f336d9343da4196939b9e38143c684b5f1e1b5aa
MD5 hash:
dde684e9f1482a79b0dc510cb9f5fcf9
SHA1 hash:
a39dddb3e0d3408e46b7ec63ec0477fd613b4546
SH256 hash:
c5f627e96016f33374d51c988a8a5c41072cc03ed73adcaf19dee2853976d50f
MD5 hash:
2af72caec89df931b4b4df1f0222de4d
SHA1 hash:
fc82245b9d247bbe318fcb84b5cc2b2a852f259e
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe c5f627e96016f33374d51c988a8a5c41072cc03ed73adcaf19dee2853976d50f

(this sample)

  
Delivery method
Distributed via web download

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