MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39ee34923fc77f5cacd1210dd87e95c101cfb53b947de24da39f82152afa0f4c. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 39ee34923fc77f5cacd1210dd87e95c101cfb53b947de24da39f82152afa0f4c
SHA3-384 hash: cba91cf4f5442d352c1fb358d31ef61720e4670df44aa3a62c833868814e7b9399933f9372d418b4de26a94c944c9ed9
SHA1 hash: 01d570b7e56e2d725e186956321c13d62fbca565
MD5 hash: c169e1f817ab1c2597390c60cd74d7d7
humanhash: oxygen-oklahoma-apart-east
File name:39ee34923fc77f5cacd1210dd87e95c101cfb53b947de24da39f82152afa0f4c
Download: download sample
Signature Formbook
File size:764'928 bytes
First seen:2024-01-11 11:10:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:M3KE6jD/62iNG5nF8cnEOxtjr7ANDiGN+Y7n5bu2uxnvU3kjGa2dNk1/VPO6:M3KtD/61IXEOXkNVYK3kia28g
TLSH T17AF4121472DCAB46E8BA83FA0961910057F6BC3B0176D72C2CD2B1CF1776F608A65B63
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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
.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
C2 URLs / IPs found in malware configuration
Found 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 domain / URL
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 virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1372974 Sample: GgGbyyAp86.exe Startdate: 11/01/2024 Architecture: WINDOWS Score: 100 34 www.zg9tywlubmftzw5ldziwmzc.com 2->34 36 www.wode1sg.shop 2->36 38 11 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 11 other signatures 2->48 11 GgGbyyAp86.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 GgGbyyAp86.exe 11->14         started        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 38 1 14->17 injected process8 dnsIp9 28 ameralame.com 15.197.142.173, 49717, 80 TANDEMUS United States 17->28 30 www.tjornevent.info 46.30.213.152, 49725, 80 ONECOMDK Denmark 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 colorcpl.exe 17->21         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 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-05 10:08:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sy11 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
4a35390eaa5a0b63a425e13d7f9cc53c434974518588b90db938c68fd4bd4cd4
MD5 hash:
a7f90e9b2e52a930225bf7348deb9646
SHA1 hash:
fe62a037af9e65a088b98591255e075d7fdf48ce
SH256 hash:
156d8ac11e5a4ac0c19641c74ded5fcb397651877e292fada2a0816e011967db
MD5 hash:
2e8cbdee1a97f8aa9d01395fcb769d9e
SHA1 hash:
a0bcd487ac4a6c7e0fca7e4af0b07e54b58d7922
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
SH256 hash:
39ee34923fc77f5cacd1210dd87e95c101cfb53b947de24da39f82152afa0f4c
MD5 hash:
c169e1f817ab1c2597390c60cd74d7d7
SHA1 hash:
01d570b7e56e2d725e186956321c13d62fbca565
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

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