MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c2644a923b6945bac3aa4698e16832c6b66634776f3fe7e7cde16d1df93858b. 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 2 File information Comments 1

SHA256 hash: 2c2644a923b6945bac3aa4698e16832c6b66634776f3fe7e7cde16d1df93858b
SHA3-384 hash: 4f643a3d4e9cb9e3ac6c5b0dc9731e65925f17ec1bc290505e18f988a59584f5e94f1ff9da80548d0d50599ec5a34689
SHA1 hash: a3ed0281a3cf3854270914eb0158dc6f6e306ca3
MD5 hash: c439e9a46bde869f5357afda5fed0ca1
humanhash: rugby-juliet-connecticut-coffee
File name:c439e9a46bde869f5357afda5fed0ca1
Download: download sample
Signature Formbook
File size:483'328 bytes
First seen:2022-07-07 16:55:29 UTC
Last seen:2022-07-15 02:57:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:uNojR53WDIWNvEsWnlJjxxdlo5q5DUlqKZegI:uS3INMxXxx3yFqG
TLSH T1D7A4121147AC9B29DAFE5BBA848070290BFDB6173601E7C88FE8B6D50F563C18E46717
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 659133 Sample: 9hzi8lgd1V Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 10 9hzi8lgd1V.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\9hzi8lgd1V.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 9hzi8lgd1V.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.gardenofbeautyhtx.com 199.34.228.191, 49809, 80 WEEBLYUS United States 17->30 32 www.diabetes-treatment-48790.com 185.53.179.94, 49771, 80 TEAMINTERNET-ASDE Germany 17->32 34 7 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 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:
2022-06-24 17:08:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2y4 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:
c7e45820a84e080234cab6f83d1b48aabf67c6e8ad5dd6fed363b45e7d2299c5
MD5 hash:
84078a0217c094e16588cff394f3042d
SHA1 hash:
aac1f3cf43abae4e3cf8a01ea63e993c083a5c68
SH256 hash:
424eae7b4e61a10a4dce1da111826f1c47dab7d734a634d935043977d5a8c78c
MD5 hash:
4ff2c105adc63e7712dae2fde9a4c289
SHA1 hash:
718afc0f0d98c60b4d31b5c4565214cf6c77d216
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
SH256 hash:
2c2644a923b6945bac3aa4698e16832c6b66634776f3fe7e7cde16d1df93858b
MD5 hash:
c439e9a46bde869f5357afda5fed0ca1
SHA1 hash:
a3ed0281a3cf3854270914eb0158dc6f6e306ca3
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: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.

Web download

Formbook

Executable exe 2c2644a923b6945bac3aa4698e16832c6b66634776f3fe7e7cde16d1df93858b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-07 16:55:36 UTC

url : hxxp://2.58.149.41/samizx.exe