MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9
SHA3-384 hash: 298a76274ad27336dcc641f2b58c76e2cdb170a7ccd8a7342237d7db1042a7407491555b5e80bb5b236c3e04883ffcf2
SHA1 hash: dc709c8253b6c1dc2f2c2dcc0ca4e4fab796b458
MD5 hash: a4e402009b9da2103b8c965ec4277eee
humanhash: thirteen-winter-bacon-uncle
File name:a4e402009b9da2103b8c965ec4277eee.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:817'152 bytes
First seen:2023-11-11 07:41:04 UTC
Last seen:2023-11-11 09:18:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7wQXVJAzvVQEB2BjvqOXypTQvym+IjFmLW2w:kQrAjVQ8czqCIUIIsCV
Threatray 2'270 similar samples on MalwareBazaar
TLSH T19005693C4CAC123BC174DEA78B948066B6E197733745DD3964D316861E26E26FACC23E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
277
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.23263.27221.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/654f304c2546bd423f1664b3/reports/3a606dea-bb8d-4356-9731-53ee127a1782/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c5838762-2254-436c-8a0f-82a77ef37ba4
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341020
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341020 Sample: KQgJOO6ckt.exe Startdate: 11/11/2023 Architecture: WINDOWS Score: 100 16 Multi AV Scanner detection for domain / URL 2->16 18 Found malware configuration 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 8 other signatures 2->22 6 KQgJOO6ckt.exe 3 2->6         started        process3 process4 8 KQgJOO6ckt.exe 6->8         started        10 KQgJOO6ckt.exe 6->10         started        12 KQgJOO6ckt.exe 6->12         started        14 2 other processes 6->14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-11-10 17:06:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrnpak4ehih5fxzpqvmjc6vvqsvelxq642vrgyjnlcp5rrstxp4q._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
024aa4a117fa7c5952577b1e904510e09c0e048a7bfaf320fcbdb4f309c41ba5
Formbook
04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91
Formbook
5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174
Formbook
62903469e69d822aaf737b1dee1aed354de510ede2e25fbcd9fff3a55b24916a
Formbook
9680fcf70fd9253914ccf18d134c357b91fbce01f3f5161d13d54f0ddd464872
Formbook
cc06328c412ff41125dbceb0bc2838c1cbea24fa2909b7614e08b6546ad77891
Formbook
cf1280dea0bfb86e585e302b4dc4fd51cb1f12847b4685cd377f1a6c8f63765b
Formbook
+ 2'260 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o6g2 rat spyware stealer trojan
Link:
https://tria.ge/reports/231111-jjncyade54/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
b6b4c1bf2557e39c7f27e701d918cfed75ef7e91ec20db9231d7a9a5b1334c07
MD5 hash:
e5b3ff28403f788b6edd987572b27042
SHA1 hash:
6baeb28f9767310d00c497d1b7abc28662066303
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/20db70ba-b80c-4cf4-b358-543d4ffed920/
Parent samples :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 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/20db70ba-b80c-4cf4-b358-543d4ffed920/
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
Link:
https://www.unpac.me/results/20db70ba-b80c-4cf4-b358-543d4ffed920/
SH256 hash:
2a16e95c76b36ae7f36ebef1f1061d3f6a4f67529be85e4886c5e88a3e733232
MD5 hash:
244d560ca11acdf8e6ac8b168bd8af30
SHA1 hash:
503e763c76fdb5457fc5c7dab1c6d9f9d821cbb8
Link:
https://www.unpac.me/results/20db70ba-b80c-4cf4-b358-543d4ffed920/
SH256 hash:
3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9
MD5 hash:
a4e402009b9da2103b8c965ec4277eee
SHA1 hash:
dc709c8253b6c1dc2f2c2dcc0ca4e4fab796b458
Link:
https://www.unpac.me/results/20db70ba-b80c-4cf4-b358-543d4ffed920/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c5af02b843a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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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 3c5af02b843a0fd2df2f8558917ab584aa45de1ee6ab13612d589fd8c653bbf9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2726784/
  
Delivery method
Distributed via web download

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