MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415. 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 5 File information Comments

SHA256 hash: 433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415
SHA3-384 hash: 92252cdf9700f2c353dab25440f93b41f0bde88c3d7e2dfee6404f990abd2091ea865b4c6e17e9d16fa989d7c563e9ea
SHA1 hash: bf643217c06100f6b721e91156eef5ab5cfea590
MD5 hash: c0d9ccf847d2e8e5d001728f1df8c0a3
humanhash: pluto-queen-eleven-magazine
File name:gVqScblsaurRUdD.exe
Download: download sample
Signature Formbook
File size:648'704 bytes
First seen:2023-11-22 14:21:47 UTC
Last seen:Never
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:iq8oTHgDaMyD9mKc2WsYrK/1d76uYK0oa/YhcE/YzpVuLs:a8gDB+3xNYCKuYKxaAhHoqY
Threatray 403 similar samples on MalwareBazaar
TLSH T1B0D40224B1786B62F7BD67F5456085284FF67BAF27A5E3181CCAB0CB2164B0849C1F27
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)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
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 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 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: 1346445 Sample: gVqScblsaurRUdD.exe Startdate: 22/11/2023 Architecture: WINDOWS Score: 100 34 www.radrat.art 2->34 36 www.pulseheartcheck.com 2->36 38 16 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 9 other signatures 2->48 11 gVqScblsaurRUdD.exe 2 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 gVqScblsaurRUdD.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 37 1 14->17 injected process8 dnsIp9 28 alugg46.github.io 185.199.108.153, 49718, 80 FASTLYUS Netherlands 17->28 30 shops.myshopify.com 23.227.38.74, 49721, 80 CLOUDFLARENETUS Canada 17->30 32 3 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 chkdsk.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:
2023-11-22 13:54:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sy11 rat spyware stealer trojan
Behaviour
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
cf283a31ee17eae32b1bab7ff0f4ea7c678a2d751df9d6f0deac04bbad567f9e
MD5 hash:
b21b169503097e89fb3ec5f9ec9894a0
SHA1 hash:
ae2aeb019fb9c6de37f268011cc6828446bcb4dc
SH256 hash:
c624e402466096479c5078d63a3ac14fba38b198ee25c32f395fafee8d860c7e
MD5 hash:
885cc7d27c1413d36b8a261194b61acc
SHA1 hash:
83151c9ffd754a20bcf93747de2f650440b50c2c
SH256 hash:
d04b562ed0fc33cd6636762f7ee274e9e3331e9590a7e0d2731a4c7aebcac2c9
MD5 hash:
9393a5b3081712cc461853e483ab9939
SHA1 hash:
4c604eea0d9fcd8c2e1170b857f6729f2ee1f18e
SH256 hash:
433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415
MD5 hash:
c0d9ccf847d2e8e5d001728f1df8c0a3
SHA1 hash:
bf643217c06100f6b721e91156eef5ab5cfea590
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:NETexecutableMicrosoft
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 433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments