MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fab6fc296f376b14d5e8e1d574338582febd49051a3e385b09a18e52850ff43. 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 3 File information Comments

SHA256 hash: 8fab6fc296f376b14d5e8e1d574338582febd49051a3e385b09a18e52850ff43
SHA3-384 hash: 82b37e5bd8d056c728d685bcffdf396d4f9cbc336c43845710c3cc39bb20ba27c79d127ba340e1777881494fcae95bcd
SHA1 hash: edd2ff13bafa6b8f61dd8763056aff934579e311
MD5 hash: 764fbfa4efe7722af4453f43846013d7
humanhash: comet-white-berlin-beer
File name:QUOTATION.PDF.exe
Download: download sample
Signature Formbook
File size:598'528 bytes
First seen:2023-12-06 16:20:55 UTC
Last seen:2023-12-06 18:25:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HSoQaueH5qb3pZ55X4Bm/90FFGJhMMspCBmNgA9OqTGc:HSsq2m/9vKMscl
TLSH T1C6D4231C376954B3E0AFA8F8C01A618A1778EF2764A1F3D95878308D3DB7B861176787
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 480013cccc553380 (15 x AgentTesla, 5 x SnakeKeylogger, 5 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.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
Initial sample is a PE file and has a suspicious name
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 virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354714 Sample: QUOTATION.PDF.exe Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 34 www.vocabularybot.com 2->34 36 www.tjjql.com 2->36 38 15 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 12 other signatures 2->48 11 QUOTATION.PDF.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 QUOTATION.PDF.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 9 1 14->17 injected process8 dnsIp9 28 www.restaurant-jobs-49695.bond 104.247.82.94, 49713, 80 TEAMINTERNET-CA-ASCA Canada 17->28 30 www.hunter85.com 37.19.207.34, 49721, 80 INTERTELECOMUA Ukraine 17->30 32 7 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 help.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:
2023-12-06 05:13:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 22 (63.64%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ui23 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
b6214a7b4dcd16440cf8ad799b4d2f2386c43223cb07742e54eca6caffa7b1a1
MD5 hash:
0cdb14e7cde47f222a4fd76ae490fc8f
SHA1 hash:
8ed6271b3be834ebcfbbff68e30d872df36ddc59
SH256 hash:
2150e460997184f64ef50d6be40e11bc7d9e80f55634fabbfc2a2c1d2cf62f13
MD5 hash:
4cc17110d255dedecf28036d3e6a7fb2
SHA1 hash:
2b8cbc25811e6e470332fd9db8d6754aeec6373b
SH256 hash:
142eb220dbf2b2d45a1d650c37fa2ab9ece2b377479db5ee7a766833d1b571fe
MD5 hash:
a31d6b65cd2d87715dd2dc3634fb3227
SHA1 hash:
16d80928116a4e843d0b99302d9061a9f22df4cb
SH256 hash:
8fab6fc296f376b14d5e8e1d574338582febd49051a3e385b09a18e52850ff43
MD5 hash:
764fbfa4efe7722af4453f43846013d7
SHA1 hash:
edd2ff13bafa6b8f61dd8763056aff934579e311
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: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 8fab6fc296f376b14d5e8e1d574338582febd49051a3e385b09a18e52850ff43

(this sample)

  
Delivery method
Distributed via e-mail attachment

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