MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c3b795455e2cf68e487870c485d7a112e8bf548733de3acd02727192f4cbd31. 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 4 File information Comments 1

SHA256 hash: 3c3b795455e2cf68e487870c485d7a112e8bf548733de3acd02727192f4cbd31
SHA3-384 hash: 9abac49e40a353d25af51ae6f4e021b4b729d380c1801f5d4233c196b77212165ec7c7e8f7aa77a1b9ca78dafb5051d7
SHA1 hash: 1194e141ef857cabfa8f3e6b44cf1e587ade7232
MD5 hash: c81f93d3cdd08680614247e5ab105fb4
humanhash: edward-music-bluebird-chicken
File name:c81f93d3cdd08680614247e5ab105fb4
Download: download sample
Signature Formbook
File size:181'248 bytes
First seen:2022-07-23 12:43:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:mMMErdcb4IhWyWVVmGhlY1iPaau+dPcK0slpDEt4NLS:s2Y4IWVVH/Y1iCau+dUK0mZz
TLSH T138049F32E602C070E3A251F5B26D1B7B883E1D353355A0EAE7E126E16EF05E5B42971F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed virus windows xloader
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:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-22 16:50:08 UTC
File Type:
PE (Exe)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
3c3b795455e2cf68e487870c485d7a112e8bf548733de3acd02727192f4cbd31
MD5 hash:
c81f93d3cdd08680614247e5ab105fb4
SHA1 hash:
1194e141ef857cabfa8f3e6b44cf1e587ade7232
Detections:
win_formbook_g0 win_formbook_auto
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe 3c3b795455e2cf68e487870c485d7a112e8bf548733de3acd02727192f4cbd31

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-23 12:43:34 UTC

url : hxxp://102.37.220.234/htdocs/AkYtP.exe