MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15166ebb7fde6c7f0383f2cc06bb79a1d4fb9f5e421dfe988eff5d8fb148831. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a15166ebb7fde6c7f0383f2cc06bb79a1d4fb9f5e421dfe988eff5d8fb148831
SHA3-384 hash: 14a923222faa170360a14401fb4ecc2283fd7cc3f7eaa9dcc99d7c94d34b0d5160e9e794a7f5ecf1811e39b7c07eb0d4
SHA1 hash: 91853ca94bc64ab17c5976687e9b43608e2b4718
MD5 hash: 861ce8249ee373083e9876dd76ea4319
humanhash: black-high-victor-burger
File name:INVOICE.EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:529'920 bytes
First seen:2020-05-27 18:02:35 UTC
Last seen:2020-05-27 19:53:54 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 6144:TFGSzYBchG6VEJD6Lpyq73UrHaNJOQJLa9RjIez4d9Io+u5n4D/G33333333333c:TFGSS6VEt68q7CH3mLa9Rh4d9j4D/
Threatray 2'297 similar samples on MalwareBazaar
TLSH D0B4AE327902C43AC039027EA4EE6BE5E53C1ED83715936FB3AB335C1F61677A25524A
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/5058/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.50184.2595.9352.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agenttesla
Create hunting rule
Status:
Malicious
First seen:
2020-05-27 18:37:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Verdict:
malicious
Similar samples:
1c17fcd097bdf870469b6ae65ca22d42ed57f250d411d9123a259146c8056362
Formbook
322427854deccec94e7331e8d3faa9f2701289b8e2faac322889c5b04d6b8f5e
Formbook
52b517b0e9be1efed3349ff5b7e7e4a392881437d7bc9ccd7b94bbc23e28a2f9
Formbook
7f6459ace4d6259e61c8170563af8a30f25568457902f4f717c8ad17574efab6
Formbook
9465c69c18144431c36b77e4b36534684c7717f1d9970eb522b8aef716dd2458
Formbook
94b89dec963ec5d8d9440acb8690d79494187187d36d0f964da12bba0cc1cad3
Formbook
bd7c17b39ab5f775700bae65b0930ae6b18e674036b6939c7264a9e7f14637ad
Formbook
ce860f3976ba5df3c4465a4b60d12980677dccc961a9fa91555c7b9de14c3dd8
Formbook
ceec91127018aba0be51981277015baf08e3f0ef6fbd0a5efe5821fa698ba645
Formbook
f38d170b1da421aa60e778a64fec953d3058336f7cb06568ba7926495fe87f0c
Formbook
+ 2'287 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook agilenet rat spyware stealer trojan
Link:
https://tria.ge/reports/201109-epan2q1gtn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.salomdy.com/rck/
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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

iso 633bbe2c562ffd15388038a35d94a1c49eb94836955e5014cd97e50acb089c0c

Formbook

Executable exe a15166ebb7fde6c7f0383f2cc06bb79a1d4fb9f5e421dfe988eff5d8fb148831

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 633bbe2c562ffd15388038a35d94a1c49eb94836955e5014cd97e50acb089c0c
Cape
Cape
https://www.capesandbox.com/analysis/5058/

Comments