MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 977649dac5dc9b83379b99ac67769d94ef4af83417d471c2d8729808ce0fccc5. 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 3 File information Comments

SHA256 hash: 977649dac5dc9b83379b99ac67769d94ef4af83417d471c2d8729808ce0fccc5
SHA3-384 hash: aa546098355e0486ce4933a16fd89abd846b48d577bbeccb4ff2a449c5fc29dfa560aa33e4b86f6ea95a1994dfe9300d
SHA1 hash: 0852b87268bb19a6644730f534bbd8c71204d38e
MD5 hash: 71e9985feb5eb07a3bd69b5c0c98d0b6
humanhash: kitten-maine-bluebird-west
File name:confirm the payment.exe
Download: download sample
Signature Formbook
File size:675'840 bytes
First seen:2023-11-30 15:05:43 UTC
Last seen:2023-11-30 16:27:03 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:+obwLijBzkEKJ5/J92+HwiDjVkC3QDKS29SHrFjC7EoMpTMyy4Mc:+AFktVJYriDj3bB9SJC75M9Vyvc
TLSH T119E4F10863EC4212FDFB6FBCA4B1261017B1BD2AA875E35D1A40A0ED0B77B549D61B37
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
293
Origin country :
DE DE
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
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
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
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
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
Performs DNS queries to domains with low reputation
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: 1350599 Sample: confirm_the_payment.exe Startdate: 30/11/2023 Architecture: WINDOWS Score: 100 34 www.mostbet-wti2.xyz 2->34 36 www.vocabularybot.com 2->36 38 10 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 50 11 other signatures 2->50 11 confirm_the_payment.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 34->48 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 confirm_the_payment.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 7 1 14->17 injected process8 dnsIp9 28 www.fergusonductwrappromo.com 209.17.116.163, 49718, 80 DEFENSE-NETUS United States 17->28 30 www.liteonetny.shop 172.67.140.240, 49717, 80 CLOUDFLARENETUS United States 17->30 32 2 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 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:
2023-11-30 03:45:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ui23 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
bd2ab31db4aeeb1d3f4439b80195415db344c78dad92ddcf1be6b5caa7050700
MD5 hash:
376c022264e7058784f5cad560340c37
SHA1 hash:
8843df4fb49f7f934a3a97b306958f940816b58b
SH256 hash:
e88a0ecd8a546b81993a01d5b181a76b677fd22489b221456dbce358202947e1
MD5 hash:
384cfbef6fbbdbead98fc4cca80b3366
SHA1 hash:
850cb66538638faaf0b02be400c68e6de7ec873c
SH256 hash:
977649dac5dc9b83379b99ac67769d94ef4af83417d471c2d8729808ce0fccc5
MD5 hash:
71e9985feb5eb07a3bd69b5c0c98d0b6
SHA1 hash:
0852b87268bb19a6644730f534bbd8c71204d38e
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 977649dac5dc9b83379b99ac67769d94ef4af83417d471c2d8729808ce0fccc5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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