MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a8cc0347be5e13c27bbb82822db989e8c47896d8e23944a8f5f419f4b6989ee. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: 8a8cc0347be5e13c27bbb82822db989e8c47896d8e23944a8f5f419f4b6989ee
SHA3-384 hash: d76520bf8985ff6b50d3aa0136cb3d4e8d01e7e3860a2225b1b42d53e418233affee6b9ce3c82bf6c520904e3f6c6b9a
SHA1 hash: a3bfac3f71eb6b1e1519d42ec8e01f4aff4d8d5a
MD5 hash: c71f136a10c7c2f067f0a551a48f8ff6
humanhash: pluto-whiskey-helium-football
File name:c71f136a10c7c2f067f0a551a48f8ff6
Download: download sample
Signature Formbook
File size:907'264 bytes
First seen:2021-07-06 09:12:07 UTC
Last seen:2021-07-06 11:45:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tOk6NsBknXmuGK6F+VGWtJFo+8QcwldWngDdzLGCJMLtwoYjL8DP:t76N/2uGK7Vl6+85wlzhzLdGw1cP
Threatray 6'182 similar samples on MalwareBazaar
TLSH 73158E7A60328BA2ED6FCA380735D57C0F5A6E75D14BB67814C87D0B30F1B1507AA92B
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c71f136a10c7c2f067f0a551a48f8ff6
Verdict:
Malicious activity
Analysis date:
2021-07-06 09:16:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 444567 Sample: 2j702gD0e6 Startdate: 06/07/2021 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 5 other signatures 2->42 10 2j702gD0e6.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\2j702gD0e6.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 2j702gD0e6.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 shastaestatesseniorliving.com 184.168.131.241, 49774, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->30 32 www.shastaestatesseniorliving.com 17->32 34 www.lovetxts.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.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:
2021-07-06 08:02:21 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.share-event.info/wlns/
Unpacked files
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
SH256 hash:
8a8cc0347be5e13c27bbb82822db989e8c47896d8e23944a8f5f419f4b6989ee
MD5 hash:
c71f136a10c7c2f067f0a551a48f8ff6
SHA1 hash:
a3bfac3f71eb6b1e1519d42ec8e01f4aff4d8d5a
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 8a8cc0347be5e13c27bbb82822db989e8c47896d8e23944a8f5f419f4b6989ee

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-06 09:12:08 UTC

url : hxxp://nz-prosthodontists.org.nz/ox/wir.exe