MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 250ae9c16a36aa8da79addebcfdb5a1b5d3ff7a24086fd558c58214e4270bc04. 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 2 File information Comments

SHA256 hash: 250ae9c16a36aa8da79addebcfdb5a1b5d3ff7a24086fd558c58214e4270bc04
SHA3-384 hash: a99b16455fdabc139e014178bd9b04002c817ce3c64f304a1ab74ae1e6d08bea36e78da163285d629ce4464ca15c817c
SHA1 hash: a359db914c94c7909ae68e48440817594f052daa
MD5 hash: 4e8e1e9779886d9891acbd05f2576b31
humanhash: london-hot-happy-delaware
File name:documents.exe
Download: download sample
Signature Formbook
File size:818'176 bytes
First seen:2022-08-19 00:37:22 UTC
Last seen:2022-09-02 00:28:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:AO50UQ6aV1ki32+/SouqyHypiVFwvMMnI+I0VNoWysxqrMn9JOYxhsSrMVgSeNNy:9a71Vui32ouWiXwvMMnI+3VNo3LrM9F
Threatray 15'093 similar samples on MalwareBazaar
TLSH T11C05DFB832A070DFC857C8729A582C64AAE038B79B0FD653F4A3219D891D9D7DF151E3
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
410
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
documents.exe
Verdict:
Malicious activity
Analysis date:
2022-08-19 00:39:28 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 686670 Sample: documents.exe Startdate: 19/08/2022 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Antivirus detection for dropped file 2->39 41 10 other signatures 2->41 8 documents.exe 7 2->8         started        process3 file4 27 C:\Users\user\AppData\...\fjaRhuEfbcV.exe, PE32 8->27 dropped 29 C:\Users\...\fjaRhuEfbcV.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmpA8B1.tmp, XML 8->31 dropped 33 C:\Users\user\AppData\...\documents.exe.log, ASCII 8->33 dropped 43 Detected unpacking (changes PE section rights) 8->43 45 Detected unpacking (overwrites its own PE header) 8->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 8->47 49 3 other signatures 8->49 12 RegSvcs.exe 8->12         started        15 powershell.exe 24 8->15         started        17 schtasks.exe 1 8->17         started        signatures5 process6 signatures7 51 Modifies the context of a thread in another process (thread injection) 12->51 53 Maps a DLL or memory area into another process 12->53 55 Sample uses process hollowing technique 12->55 57 Queues an APC in another process (thread injection) 12->57 19 explorer.exe 12->19 injected 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        process8 process9 25 msiexec.exe 19->25         started       
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Status:
Malicious
First seen:
2022-08-16 22:14:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
02a2b09d4e3532e9f2925af982dfd9fa818b712b2b8a11cb75a416614a5206e1
MD5 hash:
72dbec47a0addb932e37ef18e1d5f445
SHA1 hash:
34ec0bb78b2f01962621b46c780ea3eb51920b15
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
SH256 hash:
21df860ca4de2fb1a1dd1b307df0957a4b2f4b9d579cd589276e5c2c783b86a7
MD5 hash:
59c9bf27c1e43e66d5bc4d11601ec796
SHA1 hash:
04c8ade372c2d85f28a1eb38c03fc991c84578eb
SH256 hash:
250ae9c16a36aa8da79addebcfdb5a1b5d3ff7a24086fd558c58214e4270bc04
MD5 hash:
4e8e1e9779886d9891acbd05f2576b31
SHA1 hash:
a359db914c94c7909ae68e48440817594f052daa
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: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.

Malspam

Formbook

Executable exe 250ae9c16a36aa8da79addebcfdb5a1b5d3ff7a24086fd558c58214e4270bc04

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments