MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d
SHA3-384 hash: 0868180493d1649039dcd0532fbab0c605bf6a58d41a52a2d1748025148409cd71901746018ad8061fc8fdbe71782b17
SHA1 hash: 9bfa82536dc11203b91441158dc5b8752126402e
MD5 hash: e78c85674617f34a2f69ffc8da6a3c48
humanhash: orange-ink-missouri-equal
File name:e78c85674617f34a2f69ffc8da6a3c48.exe
Download: download sample
Signature Formbook
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File size:533'504 bytes
First seen:2021-10-27 12:26:10 UTC
Last seen:2021-10-27 14:10:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:qY6tTkkAiotWImLrfqldKQgpvXgfcJHSZU4qZYdNsagHan0BE8bPzNGq+mC3YS0b:YBImHHQ42ISNqFag6n0Bh7Nz+ma2
Threatray 10'865 similar samples on MalwareBazaar
TLSH T110B4D05177B8C946D57903B0D1B8C0F00735BC26CA52E60F99E27CDF3972782962AB6B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/200526/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43573.29239.143.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
75%
Tags:
hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/61794598db358dd15edfb506/reports/d1f7eb0d-593a-4e46-b547-e86689d5fda1/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/6c15e6a0-f125-417c-b382-daf94afd7375
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877775
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
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: 510207 Sample: TVseP06zKv.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 31 www.sytypij.xyz 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 7 other signatures 2->41 11 TVseP06zKv.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\TVseP06zKv.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 15 TVseP06zKv.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.clarition.com 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 45 Self deletion via cmd delete 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-27 09:14:01 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede
Formbook
5e529cbb901aced8a6af49250afd3d67e059d717d7ecf3edc32e18a9d549361c
Formbook
85ee6fb97c2010a9360ee393b6f8515260e312de96ca3afbde06d5aaed699d3d
Formbook
a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0
Formbook
b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Formbook
ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
Formbook
e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1
Formbook
+ 10'855 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Link:
https://tria.ge/reports/211027-pmrgnaega7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
5f345f7c4e00a361e326b4678f1812965e8a14957b065eb78d6da684aa0fe0d3
MD5 hash:
4d6d5351b751dec76d80c643bb7d6846
SHA1 hash:
a4695f4529fe8b467ce8711dd5d55fd27f4ddbc3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/41a2e54e-4565-4efb-8ac4-55d0f47e0785/
Parent samples :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 hash:
62594d17f37612795028a00e0e384fd8de6a451dfcff55c3f87bc0c6e9153a71
MD5 hash:
c2a406ed71a7d98a48742c14ce83fd58
SHA1 hash:
9fdcaba9876bb98637f4d4a4e3bacf75e633d28d
Link:
https://www.unpac.me/results/41a2e54e-4565-4efb-8ac4-55d0f47e0785/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/41a2e54e-4565-4efb-8ac4-55d0f47e0785/
SH256 hash:
342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d
MD5 hash:
e78c85674617f34a2f69ffc8da6a3c48
SHA1 hash:
9bfa82536dc11203b91441158dc5b8752126402e
Link:
https://www.unpac.me/results/41a2e54e-4565-4efb-8ac4-55d0f47e0785/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/342bac531d9b/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/342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d

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: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 342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1705973/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/200526/

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