MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1
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SHA256 hash: 231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727
SHA3-384 hash: 8c338713b13dabbc35489b1226cfe5e1f3e15e552d0ebecbb795a9f7147fce67b564f2f4d822b9b8327182359ddda217
SHA1 hash: 82465f9c80d2c186915408cf36e109bba9c93bae
MD5 hash: 2291814c0adf5741ea1a1dfecab72efb
humanhash: hawaii-autumn-artist-five
File name:2291814c0adf5741ea1a1dfecab72efb
Download: download sample
Signature Formbook
Create hunting rule
File size:807'424 bytes
First seen:2022-07-13 13:21:50 UTC
Last seen:2022-07-15 03:33:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:RwidI4Vm1geJ+drbMQlH5DZbzUWjie3bforchJ67eGjnY3yfftFuVv4Os:R0/FJ+rRFZZboWBLggLydGQOs
TLSH T17F050118FFA84666DB9A537DDCB403258772E2C26723F31C26C4A1A46D137115EC2BEB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/287061/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.13168.24986.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62cec7060b00dfa734ec5ca5/reports/a1d7ef5a-717d-4fd8-a665-cf52dbd6a746/overview
Result
Verdict:
UNKNOWN
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/e6ae6339-0333-4c26-8ff5-75657ea2ddeb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1030195
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 662687 Sample: sv3X6Dj0wg Startdate: 13/07/2022 Architecture: WINDOWS Score: 100 31 www.corvalliswholebody.com 2->31 33 d1mvdpb7b59drf.cloudfront.net 2->33 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 11 sv3X6Dj0wg.exe 3 2->11         started        15 explorer.exe 79 2->15         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\sv3X6Dj0wg.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 17 sv3X6Dj0wg.exe 11->17         started        signatures6 process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 process10 22 mstsc.exe 20->22         started        signatures11 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        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-07-13 09:01:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=emozjpbnkbzugkipkbnu56kf2efvpr5mjgtxpjgdgfaywpsrg4tq._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:a62i rat spyware stealer trojan
Link:
https://tria.ge/reports/220713-ql79fshef8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ea801ddd1ea57f52ae69533038861744365d8d9c05c3a9c1190dba32d07dc6b6
MD5 hash:
4d0e9bfe94004ceb16e9b63c7c03067d
SHA1 hash:
05e3fb4119f85cc6b6543d8624191a7000d856cd
Link:
https://www.unpac.me/results/bd72130b-e364-4330-b60e-c3485da02ffa/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/bd72130b-e364-4330-b60e-c3485da02ffa/
SH256 hash:
05273b683f1d262898d74089191fe470c7873f295bedbf9cb016e3ac3a396149
MD5 hash:
96f33961a755ca135a45b58c60b5fed6
SHA1 hash:
cfdd3bf76a13d5eed09f28ff5ceca2c3f8d75e26
Link:
https://www.unpac.me/results/bd72130b-e364-4330-b60e-c3485da02ffa/
SH256 hash:
a107c2ec4a4318c918595cdb27256834e8fa85de9f57c120f4c63988c5005b06
MD5 hash:
93e216d718ecb31caddc6bcedaf856d5
SHA1 hash:
f45426e9a21977562367e182d0e179a3be6fd35d
Link:
https://www.unpac.me/results/bd72130b-e364-4330-b60e-c3485da02ffa/
SH256 hash:
2c0220f0592b109778c39d45acb2213d68eceb634f5bef4d71e2d3fb81f42044
MD5 hash:
60277db7ce97c7e1f8f34387f0a2b834
SHA1 hash:
281d52b525165da6e56882565f38af3e8cb40305
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/bd72130b-e364-4330-b60e-c3485da02ffa/
Parent samples :
231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727
20127add0e752f2611eb3c21047f0c14a38d23738bcdc2e15794b5e8bdbd5f65
d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee
SH256 hash:
231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727
MD5 hash:
2291814c0adf5741ea1a1dfecab72efb
SHA1 hash:
82465f9c80d2c186915408cf36e109bba9c93bae
Link:
https://www.unpac.me/results/bd72130b-e364-4330-b60e-c3485da02ffa/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/231d94bc2d50/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727

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: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 231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2256999/
Cape
Cape
https://www.capesandbox.com/analysis/287061/

Comments


Avatar
zbet commented on 2022-07-13 13:22:00 UTC

url : hxxp://192.3.110.133/44/vbc.exe