MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 375d1a9b98531aaaf0d05ad0c23f5ddca52ec2bbd4d2abeeeab58d03f8d8b630. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 375d1a9b98531aaaf0d05ad0c23f5ddca52ec2bbd4d2abeeeab58d03f8d8b630
SHA3-384 hash: e6238c6e25995f931b4bc77a536ae600a23d219196a1124c3e7fe192342e870575081e460a5b88d9157cb70d3ed44352
SHA1 hash: efd61f0fa32705f43b2c0868ad2db5be14b2ae78
MD5 hash: f57b8f73c29253df1f3626a77c4f1050
humanhash: mockingbird-summer-pluto-lemon
File name:f57b8f73c29253df1f3626a77c4f1050.exe
Download: download sample
Signature Formbook
File size:189'952 bytes
First seen:2022-08-29 08:04:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:C6fjkTNelMn+9Q3ewWmcf27fpnzBhg57/OecSJQtrUypyTgUGIY1acE:Lbee3m97fpnNUGehJ2UIX/IiaB
TLSH T1DD04AE32D641C031E2B312B5F6BD1B7B893E4E343255A1E6A3F116A06FA49E5F12931F
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ProductXSpecification.doc
Verdict:
Malicious activity
Analysis date:
2022-08-29 07:20:14 UTC
Tags:
exploit CVE-2017-11882 opendir loader formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook overlay 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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-29 04:28:00 UTC
File Type:
PE (Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fs93 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
375d1a9b98531aaaf0d05ad0c23f5ddca52ec2bbd4d2abeeeab58d03f8d8b630
MD5 hash:
f57b8f73c29253df1f3626a77c4f1050
SHA1 hash:
efd61f0fa32705f43b2c0868ad2db5be14b2ae78
Detections:
win_formbook_g0 win_formbook_auto FormBook
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 375d1a9b98531aaaf0d05ad0c23f5ddca52ec2bbd4d2abeeeab58d03f8d8b630

(this sample)

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