MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 740a2bc7e9c8eeed76ef0f812c6c89af35c414317d76ac5b50b28ca0728d103b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 740a2bc7e9c8eeed76ef0f812c6c89af35c414317d76ac5b50b28ca0728d103b
SHA3-384 hash: 20cbf2589738c48a4b33e5a8a5f8cdaa3e570a10d83a218a3bfad53ee5acb31ed1e4992b34645b76ddda7f3a5c1d98aa
SHA1 hash: 4374948e203cba151ebdc43e11e6e115046270e9
MD5 hash: 25aa37e21c29b7cff02509533b585ed7
humanhash: pizza-kilo-cola-bravo
File name:25aa37e21c29b7cff02509533b585ed7.exe
Download: download sample
Signature Formbook
File size:307'200 bytes
First seen:2021-10-13 09:43:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c727a98e677fb7bd25bb06d2a2d956f1 (11 x GuLoader, 1 x Formbook)
ssdeep 6144:w7XxnWJoyJuoMQF9CxX/tO7JS4PIcJaL:w7BnkRMQHg/tGTPBU
Threatray 7'827 similar samples on MalwareBazaar
TLSH T17F642821A2B0CFE0E1A386BF33E94725713A6E3416116C96F74D7D5E5EB22E0A46131F
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
090900 Quotation - Urgent.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-13 08:52:54 UTC
Tags:
encrypted exploit CVE-2017-11882 opendir loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook 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 GuLoader
Detection:
malicious
Classification:
rans.troj.evad.spre
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Potential malicious icon found
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-13 09:49:07 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:guloader family:xloader downloader rat
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
740a2bc7e9c8eeed76ef0f812c6c89af35c414317d76ac5b50b28ca0728d103b
MD5 hash:
25aa37e21c29b7cff02509533b585ed7
SHA1 hash:
4374948e203cba151ebdc43e11e6e115046270e9
Detections:
win_formbook_auto win_formbook_g0
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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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 740a2bc7e9c8eeed76ef0f812c6c89af35c414317d76ac5b50b28ca0728d103b

(this sample)

  
Delivery method
Distributed via web download

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