MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b351113c59e129624617023f514947a1c66fd634b6771215baacf42cf8afd3c3. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: b351113c59e129624617023f514947a1c66fd634b6771215baacf42cf8afd3c3
SHA3-384 hash: cea2eb0ff54dbfb539a4d340cfea69861c0cff398af046a6d600f73f8a8988ba8d29c93543d51cb0624e9bb29626296a
SHA1 hash: 4f8bdce5a4fc7ee4fd45a2657393431d99f5c05b
MD5 hash: 26603dca37847e1f764e1cfd886e9ce6
humanhash: eighteen-montana-mississippi-michigan
File name:statement.exe
Download: download sample
Signature Formbook
File size:23'960 bytes
First seen:2024-01-23 10:37:14 UTC
Last seen:2024-01-24 14:25:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:auBq0csxekW8SepCqYWA91FlR6Hx4QZb75CKfZZD+TfuOEz+IGoGCJEF8ZpHtFgo:2v1YHhh7+TuOuTEFiR5
Threatray 2 similar samples on MalwareBazaar
TLSH T1DCB27D4427B8AB02C9F90BB118F254715F70F38A2165DB7E2CE9D0D629333648B527AF
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
369
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
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.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Vigorf
Status:
Malicious
First seen:
2024-01-23 10:21:08 UTC
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
b351113c59e129624617023f514947a1c66fd634b6771215baacf42cf8afd3c3
MD5 hash:
26603dca37847e1f764e1cfd886e9ce6
SHA1 hash:
4f8bdce5a4fc7ee4fd45a2657393431d99f5c05b
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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.

Malspam

Formbook

Executable exe b351113c59e129624617023f514947a1c66fd634b6771215baacf42cf8afd3c3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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