MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b54441492c600f40cc81d695ddec0bbc824920ed1567b3f8b14c545ec326f867. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: b54441492c600f40cc81d695ddec0bbc824920ed1567b3f8b14c545ec326f867
SHA3-384 hash: 704dc3870883d6205e75a35c954aac041280d30d8e851a837ae0b1cb8b7856064ce02ed0e25947cd0ade7ef075c0bfa8
SHA1 hash: c1952ece2c4799d76c65aaadb5e42944ddb34730
MD5 hash: de6024fadc8489fd2743729d35d1a91a
humanhash: wyoming-mexico-enemy-mississippi
File name:HP-3082023319.JPG.scr
Download: download sample
Signature Formbook
File size:876'032 bytes
First seen:2023-09-04 08:22:47 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 24576:wC+y/sw5eU/hYn5JHJRPwSE2L2cGHFSi:wKkw57/gE2L2ckF
Threatray 35 similar samples on MalwareBazaar
TLSH T1EE15A503BA4789B2C168273AC5974C348BF0DD817213F79B798E235958437B66A7DE0B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 72ceaeaeb2968eaa (57 x AgentTesla, 9 x Formbook, 7 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
HP-3082023319.JPG.scr
Verdict:
Malicious activity
Analysis date:
2023-09-04 08:25:20 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
Сreating synchronization primitives
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control evasive lolbin 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302717 Sample: HP-3082023319.JPG.scr.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 5 other signatures 2->44 9 HP-3082023319.JPG.scr.exe 15 3 2->9         started        process3 dnsIp4 34 transfer.sh 144.76.136.153, 443, 49726 HETZNER-ASDE Germany 9->34 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->56 58 Injects a PE file into a foreign processes 9->58 13 HP-3082023319.JPG.scr.exe 9->13         started        signatures5 process6 signatures7 60 Maps a DLL or memory area into another process 13->60 62 Queues an APC in another process (thread injection) 13->62 16 ZGhVDvrZgpkTTZOYGuQHThg.exe 13->16 injected process8 signatures9 36 Sample uses process hollowing technique 16->36 19 control.exe 13 16->19         started        process10 signatures11 46 Tries to steal Mail credentials (via file / registry access) 19->46 48 Tries to harvest and steal browser information (history, passwords, etc) 19->48 50 Deletes itself after installation 19->50 52 2 other signatures 19->52 22 explorer.exe 2 1 19->22 injected 26 ZGhVDvrZgpkTTZOYGuQHThg.exe 19->26 injected process12 dnsIp13 28 withintherosegarden.com 162.241.224.215, 49760, 49761, 49762 UNIFIEDLAYER-AS-1US United States 22->28 30 benedixit.com 162.241.225.51, 49753, 49754, 49755 UNIFIEDLAYER-AS-1US United States 22->30 32 4 other IPs or domains 22->32 54 System process connects to network (likely due to code injection or exploit) 22->54 signatures14
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-30 14:41:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
b54441492c600f40cc81d695ddec0bbc824920ed1567b3f8b14c545ec326f867
MD5 hash:
de6024fadc8489fd2743729d35d1a91a
SHA1 hash:
c1952ece2c4799d76c65aaadb5e42944ddb34730
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:dsc
Author:Aaron DeVera
Description:Discord domains
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.

Malspam

Formbook

Executable exe b54441492c600f40cc81d695ddec0bbc824920ed1567b3f8b14c545ec326f867

(this sample)

  
Delivery method
Distributed via e-mail attachment

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