MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa194823fcaaa6f862492b53d9bf8d12e9350055bec77d02595c3f16d6128ca. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfa194823fcaaa6f862492b53d9bf8d12e9350055bec77d02595c3f16d6128ca
SHA3-384 hash: fbbd417948f07704403b9643cb053f0a583285254fa50758fc828879eb5b53ae5e51e33690ea2dfae7ec794bcc02e258
SHA1 hash: 75541c1a30963f0e395a1d6244db8640a2c477f8
MD5 hash: 31e36e24dfb51281098ece6eab10e4bb
humanhash: hamper-artist-wisconsin-juliet
File name:31e36e24dfb51281098ece6eab10e4bb.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'146'816 bytes
First seen:2021-10-04 16:11:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:rJTBGz+ZCywDCRFush4kU7czcWGoqv+qID:nw+uy4kUo4rzFI
TLSH T15CA5F75123ED2608E07E6EB95A35509907F1FF277AB3C6CE014C675E5A61F02CE63B22
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
610
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/194737/
Detection(s):
SecuriteInfo.com.Win32.Troj.Undef.kcloud.9346.25956.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/615c106ab95458900cdc60ba/reports/fd49776a-a5a3-4f01-8a80-695635d610a0/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/59de95f4-4f8e-480d-893a-b7c88d943eea
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864151
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 496590 Sample: kb8EMhHJTG.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 31 www.benimofis.com 2->31 33 benimofis.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 11 kb8EMhHJTG.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\kb8EMhHJTG.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 kb8EMhHJTG.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.vilchesfinancial.com 18->35 37 www.programmerworks.info 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfa194823fcaaa6f862492b53d9bf8d12e9350055bec77d02595c3f16d6128ca/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-10-04 16:12:23 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  2/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cmsr rat spyware stealer trojan
Link:
https://tria.ge/reports/211004-tnhy5agfc3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.odysseysailingsantorini.com/cmsr/
Unpacked files
SH256 hash:
a4713a58f551a740ef675364b76cf5925be0c9caa5d5022d3e659eb1076f42ef
MD5 hash:
c89ddb3de2a0156f7c1d26a4dd3310f8
SHA1 hash:
6c4e5d68b798c37b72dc7e76f7dfa76a8ad8cbfc
Link:
https://www.unpac.me/results/05d601c0-3f84-4fa7-9dc5-16e6722d0f0e/
SH256 hash:
dfa194823fcaaa6f862492b53d9bf8d12e9350055bec77d02595c3f16d6128ca
MD5 hash:
31e36e24dfb51281098ece6eab10e4bb
SHA1 hash:
75541c1a30963f0e395a1d6244db8640a2c477f8
Link:
https://www.unpac.me/results/05d601c0-3f84-4fa7-9dc5-16e6722d0f0e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/dfa194823fcaaa6f862492b53d9bf8d12e9350055bec77d02595c3f16d6128ca

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe dfa194823fcaaa6f862492b53d9bf8d12e9350055bec77d02595c3f16d6128ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1653855/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/194737/

Comments