MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments 1
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SHA256 hash: 685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc
SHA3-384 hash: 4b4fad777a422b092ac5f2c39805755da5e44a5bdd43b9ead5e95a11c66ad3d94c7cd8eeaba523fa4be26980ea634e6e
SHA1 hash: fb0b39b5f5c570c83b37a62a7b1563a48aefe2c4
MD5 hash: e8fc0040e6882e0b9ea0e830b6d74d65
humanhash: nineteen-jig-monkey-ink
File name:e8fc0040e6882e0b9ea0e830b6d74d65
Download: download sample
Signature Formbook
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File size:793'600 bytes
First seen:2023-11-27 11:06:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:kMVhudlFyhriuxuk69+DdDpFBjcGYfpBhtD/:DuX4Uux569e53Y3
TLSH T1FAF41269A5AC5BC7E17F43FA1A60D00583B16C39A432E30EACC1B5DB69B0F815770B5B
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Quotation.xls
Verdict:
Malicious activity
Analysis date:
2023-11-27 10:34:11 UTC
Tags:
phishing phishing-pdf opendir exploit cve-2017-11882 phishing-xls maldoc loader formbook xloader stealer spyware
Link:
https://app.any.run/tasks/1ab06b27-1447-4797-8939-3d7c7fb56815

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460630/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc
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/2266f270-0254-4657-913e-bede83be83ff
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348466
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348466 Sample: UgHXEfw1uL.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 34 www.videopromarket.com 2->34 36 www.tqmsn.com 2->36 38 11 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 11 UgHXEfw1uL.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 UgHXEfw1uL.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 39 1 14->17 injected process8 dnsIp9 28 www.biddrivego.com 103.224.212.216, 49722, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->28 30 www.fnb.gay 130.61.77.41, 49717, 49718, 80 ORACLE-BMC-31898US United States 17->30 32 3 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 12 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-11-27 10:45:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nbiqptwphznmplkd4qfj7r6y5i2rpgsas44tr73u4wat2ctb376a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:bp31 rat spyware stealer trojan
Link:
https://tria.ge/reports/231127-m7zmnagb4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
0327d11a0f4f2e777cee4eaf96e5d2c5e2cac82d700752e819d40ac438e626aa
MD5 hash:
6405c9617e2b82060053339c6731221a
SHA1 hash:
61c44e57231cf7d528ba1b85caa002af1eb1d564
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/1f2dd9d0-c6d5-443b-8600-9cbf2a13e99a/
Parent samples :
685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc
00539afdbf4e898996217ca8f782cdb57079a1c371bf37214bdc5f38fd6dd6bc
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/1f2dd9d0-c6d5-443b-8600-9cbf2a13e99a/
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
Link:
https://www.unpac.me/results/1f2dd9d0-c6d5-443b-8600-9cbf2a13e99a/
SH256 hash:
02eff03e77652c166abdb04ec7a53affcd19d3c19283a1b3af045398b3efe676
MD5 hash:
05ad80147dbd32f4b1a80f3631112f55
SHA1 hash:
22b188cbc7eab7582aeeac8aed403f5d4a98bcd2
Link:
https://www.unpac.me/results/1f2dd9d0-c6d5-443b-8600-9cbf2a13e99a/
SH256 hash:
685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc
MD5 hash:
e8fc0040e6882e0b9ea0e830b6d74d65
SHA1 hash:
fb0b39b5f5c570c83b37a62a7b1563a48aefe2c4
Link:
https://www.unpac.me/results/1f2dd9d0-c6d5-443b-8600-9cbf2a13e99a/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/685107cecf3e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc

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
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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 685107cecf3e5ac7ad43e40a9fc7d8ea35179a40973938ff74e5813d0a61dffc

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2735516/
Cape
Cape
https://www.capesandbox.com/analysis/460630/

Comments


Avatar
zbet commented on 2023-11-27 11:06:43 UTC

url : hxxp://103.29.3.200/S2611M/wininit.exe