MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 494b6ba9c3bbda71a890fd89433ff0c5fac708ac0391b4f4b2b83714afaba73e. 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 2 File information Comments

SHA256 hash: 494b6ba9c3bbda71a890fd89433ff0c5fac708ac0391b4f4b2b83714afaba73e
SHA3-384 hash: 5bbc00384a7f617352dc9ddbd8813391a6eb5d9582f6f2fd521bff861779614cd7e062c370690917cb0cc94c725d8c3c
SHA1 hash: 662e2bce7d5e2a7a5fe8338cd719966e602b2290
MD5 hash: fa085156570f892559c12dac9ac9cc98
humanhash: beer-angel-football-purple
File name:wIQ8g7Sc7RrSm9l.exe
Download: download sample
Signature Formbook
File size:578'560 bytes
First seen:2023-02-01 10:33:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Kr8uaHPiClcTw370L2waCP/bYshYM8Gq2TJt9i7+pvvCWtO:Kr8xHdcTcg7aC3BhkGbjw6R6h
TLSH T18BC4235462F8C73DC2BC4BFE45B2553097B82A1D6E47E2992FE438EC284770866537B2
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 00c8dcfc9cdcd000 (13 x Loki, 13 x AgentTesla, 11 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
wIQ8g7Sc7RrSm9l.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 10:34:20 UTC
Tags:
formbook xloader

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
DNS request
Unauthorized injection to a recently created process
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:
packed phishing
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795843 Sample: wIQ8g7Sc7RrSm9l.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 10 wIQ8g7Sc7RrSm9l.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\wIQ8g7Sc7RrSm9l.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 wIQ8g7Sc7RrSm9l.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 2 6 14->17 injected process8 dnsIp9 32 www.afemebel.ru 81.177.141.47, 49721, 80 RTCOMM-ASRU Russian Federation 17->32 34 www.desipizza.uk 213.171.195.105, 49723, 80 ONEANDONE-ASBrauerstrasse48DE United Kingdom 17->34 36 www.svtechsoln.com 35.209.37.243, 49719, 80 GOOGLE-2US United States 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 48 Uses ipconfig to lookup or modify the Windows network settings 17->48 21 ipconfig.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-01-31 09:45:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:p25s rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
4bba74eea50f249010e5d251e406202ccfe5336354287dc204df7f176af61abf
MD5 hash:
0dd4b499a09cda2e55974639ba804986
SHA1 hash:
e3a89dcc11c1ce32347b86c9addc41c8338e1d75
SH256 hash:
4986e4b1c0ef72430a189d4fea870eff5210f5c6b6c262064ae3f8619adcdd2e
MD5 hash:
2456d6db40f97aa0f2ef8185ed668034
SHA1 hash:
9da8798201e7a5a2ce51e7d658677de74c3a4418
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
SH256 hash:
494b6ba9c3bbda71a890fd89433ff0c5fac708ac0391b4f4b2b83714afaba73e
MD5 hash:
fa085156570f892559c12dac9ac9cc98
SHA1 hash:
662e2bce7d5e2a7a5fe8338cd719966e602b2290
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 494b6ba9c3bbda71a890fd89433ff0c5fac708ac0391b4f4b2b83714afaba73e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments