MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6116dfa4c8a11409b07bf99e7be47096aa08b0891e730c70f3b1c2c9fabd0fe9. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6116dfa4c8a11409b07bf99e7be47096aa08b0891e730c70f3b1c2c9fabd0fe9
SHA3-384 hash: a0840fea13cbc03d10776f11672608ee7c152c0d74f6199513251203c975328581d5a1e1f1ba99c881b5456a8b26c8ec
SHA1 hash: 0e12cd1c073f87c5465b92299500bfbbb6a8cb0a
MD5 hash: 3891f7dbf1513c0f9545a5425571a48f
humanhash: leopard-stream-mike-uranus
File name:3891f7dbf1513c0f9545a5425571a48f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'735'168 bytes
First seen:2021-03-22 20:09:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:s6Rc2uTqRAzttoPkwsx8TWvJmpIqeFhLp7r4YIIqQphfeJ+6tKOaVvETJfT4mgAr:TEjMavJm2XDu+/OaVvm4j0+KCb1eKUL
Threatray 704 similar samples on MalwareBazaar
TLSH 83855A09BB98BE5EE16F0F76C063956C82E4C1A36373F74FB5C168E2681035A4D4F1A6
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3891f7dbf1513c0f9545a5425571a48f.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-22 20:43:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/93fb7288-3eee-453e-8a4b-321ac62fe6d6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/126256/
Detection(s):
SecuriteInfo.com.Variant.Bulz.396289.6252.30624.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching the default Windows debugger (dwwin.exe)
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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/648723
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 (e.g. based on Emerging Threat rules)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 373325 Sample: Im0MsX12r6.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 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 Im0MsX12r6.exe 15 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Im0MsX12r6.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->54 56 Injects a PE file into a foreign processes 10->56 14 Im0MsX12r6.exe 10->14         started        signatures5 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 14->17 injected process8 dnsIp9 30 botecohumaita.com 187.84.225.50, 49755, 80 RedeHostInternetLtdaBR Brazil 17->30 32 www.aml-service.info 89.46.107.25, 49749, 80 ARUBA-ASNIT Italy 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.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       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6116dfa4c8a11409b07bf99e7be47096aa08b0891e730c70f3b1c2c9fabd0fe9/
Threat name:
ByteCode-MSIL.Trojan.Ditertag
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 15:46:41 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b755a23b31f709cdcd39b195d0bd4d50b049bd869b1db57892fb94878992760
Formbook
0fa8114ac4b5c4ff6727117699cb2f702be6cf0a6c54ad147fefc1620f32f6aa
Formbook
5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428
Formbook
69fa6ebff614598a1243cb00bc9a7c69e60fca3c3fd93da4157c418d202f1542
Formbook
999813d0bce8eb3dd4057bb0535d1ce571c272a3ac60264d4a4ecc28f7644875
Formbook
a677db1e19ef0ff96a19fb973e8505296ca98d69c2eb7f97c18f097b6786f9b7
Formbook
bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d
Formbook
c5b84e95c3c5d74359f6dcc6d465f7ab9a4709807c15aa08ed258b1e32f39668
Formbook
d1c5fc3919d75c03db6df503ba210900921351ee1bbeb45c7a435ac5671c3a9e
Formbook
d9bdfeb51aaa4192014f7263a7613a7cc812d3e7fbfbf5fcee5458ca1e58c04b
Formbook
+ 694 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210322-l3hagjej62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mysticbro.com/tss/
Unpacked files
SH256 hash:
6116dfa4c8a11409b07bf99e7be47096aa08b0891e730c70f3b1c2c9fabd0fe9
MD5 hash:
3891f7dbf1513c0f9545a5425571a48f
SHA1 hash:
0e12cd1c073f87c5465b92299500bfbbb6a8cb0a
Link:
https://www.unpac.me/results/b6387d7f-094e-4ec5-b8c2-00308505f94d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6116dfa4c8a11409b07bf99e7be47096aa08b0891e730c70f3b1c2c9fabd0fe9

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 6116dfa4c8a11409b07bf99e7be47096aa08b0891e730c70f3b1c2c9fabd0fe9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1083930/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/126256/

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