MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8139aa2208142fed980af1077537858a9f8b6e9f8ad409045bef4e56902197ce. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8139aa2208142fed980af1077537858a9f8b6e9f8ad409045bef4e56902197ce
SHA3-384 hash: 33358cc6a336e3ad6f69b7c0e13a1a8d390550d157a4a571134f9622e7ab601d41765cda78fb5d71c4cc08c077f28d41
SHA1 hash: 2245797e6a0287a994f358c474f2aecb0c6d65bd
MD5 hash: 5178253dd6e8a71075adc4f0acb2aa8d
humanhash: video-cold-queen-fillet
File name:mal.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2021-01-11 16:43:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:cTH0hP/3UJZ8A6D3T6kudPZLgKTsvl6XYsk5gmgR2/Nwr59f99CEw:m0m1BkOx8KwvlSYsk+mgRgNwrXl9C
TLSH CE04AF32D642C071E2B211B5F67D1B7B843E0D353294A4FAA3E129E06FB45A9B52D31F
Reporter lazyactivist192
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mal.exe
Verdict:
Malicious activity
Analysis date:
2021-01-11 16:46:42 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d9cd54ac-98da-4e6d-a14f-aeeb719f50e1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111306/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578159
Signature
Antivirus / Scanner detection for submitted sample
Found 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
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
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8139aa2208142fed980af1077537858a9f8b6e9f8ad409045bef4e56902197ce/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-01-11 16:44:05 UTC
File Type:
PE (Exe)
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qe42uiqicqx63gak6edxkn4frkpyw3u7rlkasbc355hfnebbs7ha._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210111-e48d21tjsx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.usuallycurious.com/ht8/
Unpacked files
SH256 hash:
8139aa2208142fed980af1077537858a9f8b6e9f8ad409045bef4e56902197ce
MD5 hash:
5178253dd6e8a71075adc4f0acb2aa8d
SHA1 hash:
2245797e6a0287a994f358c474f2aecb0c6d65bd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a77b174b-17f9-43e6-a2b3-dcec846f50e0/
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/8139aa2208142fed980af1077537858a9f8b6e9f8ad409045bef4e56902197ce

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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.

Web download

Formbook

Executable exe 8139aa2208142fed980af1077537858a9f8b6e9f8ad409045bef4e56902197ce

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111306/

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