MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
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SHA256 hash: 2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa
SHA3-384 hash: 72f2d57ea62a5bbef4a70fe074a931be4037cfedb876c80730dbdefdfb7806cd7e11e1a0163fa23155ac1407bee0c961
SHA1 hash: 925a0f61d540aea338b817db5308ee41244911af
MD5 hash: 2737ca9d24320c1b018a72b836c30515
humanhash: spaghetti-north-ink-single
File name:2737ca9d24320c1b018a72b836c30515
Download: download sample
Signature Formbook
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File size:260'608 bytes
First seen:2021-06-24 01:52:27 UTC
Last seen:2021-06-24 03:19:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:kZr4Boo152T8YtlPMxz9mTlpCQwuBXCte0A3p6W:MrgobTblPg5mTlaIX0Y3cW
TLSH B444120E9684E231C65E0D3F71D179C412E9C41AE67BFAFF38C41014A5A6BD74832AAB
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2737ca9d24320c1b018a72b836c30515
Verdict:
No threats detected
Analysis date:
2021-06-24 01:53:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4ba2ee58-b016-4eff-abf9-37162c12fcc5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.6146.26573.UNOFFICIAL
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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/ba6fb747-9ad6-4d38-9533-02177666c268
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807060
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Sigma detected: CMSTP Execution Process Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 439468 Sample: nD2UH1F8by Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 27 www.almisexpress.com 2->27 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 9 other signatures 2->51 9 nD2UH1F8by.exe 3 2->9         started        13 explorer.exe 6 2->13         started        signatures3 process4 dnsIp5 25 C:\Users\user\AppData\...\nD2UH1F8by.exe.log, ASCII 9->25 dropped 53 Tries to detect virtualization through RDTSC time measurements 9->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->55 57 Injects a PE file into a foreign processes 9->57 16 nD2UH1F8by.exe 9->16         started        29 www.patisseriefromparis.com 13->29 31 www.actionboarddiversity.com 13->31 33 2 other IPs or domains 13->33 59 System process connects to network (likely due to code injection or exploit) 13->59 19 cmstp.exe 13->19         started        file6 signatures7 process8 signatures9 35 Modifies the context of a thread in another process (thread injection) 16->35 37 Maps a DLL or memory area into another process 16->37 39 Sample uses process hollowing technique 16->39 41 Queues an APC in another process (thread injection) 16->41 43 Tries to detect virtualization through RDTSC time measurements 19->43 21 cmd.exe 1 19->21         started        process10 process11 23 conhost.exe 21->23         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-06-18 09:10:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
29 of 46 (63.04%)
Threat level:
  5/5
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210624-rmf57s82qj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.celinehair.com/e7hf/
Unpacked files
SH256 hash:
c708a72654e2ffad6cc07b17b604eff2b657f31edb0134af9f613ffdb1c7b3e2
MD5 hash:
fa657047b570bbb286abcd7fadbbca93
SHA1 hash:
74edf7c869a8f717972a406f9b739be5d01dccdb
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/fa330faa-87ff-4738-ba1f-921cb7b4aebc/
Parent samples :
96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
77debd27c7e821a3a2c480f7b91377dd2706a2a19975132a5141f92d87160363
2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa
84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
c2874fa8a593d805c31340651b9ebf7308e6db8e2c33baca8a33188d91ef8605
2e6a479b31c154cdeea1f9502d6a9d820369c1b4b6c91d756ec8011054628f10
777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8
c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb
03e5bebad534a6061452af4f7b266bf214e8ad97f6d51d683378360f1351da30
26563dccfc02bb19e03b7c0ed406bf1a8b55dabdd44148fe04e35ea00bd6f138
d835bb8d896d0a858feecf968258bc9d5d53e8013e01463db68ae2b5bae8fedf
SH256 hash:
04106f0ba442ed3ae2f70010db31fdd87119f2fc404360105457f0ebb4342f81
MD5 hash:
1b247c942a4c618777059b67f3aff0b5
SHA1 hash:
f97761cdee35cda90c548c6d79099583fd2fdea7
Link:
https://www.unpac.me/results/fa330faa-87ff-4738-ba1f-921cb7b4aebc/
SH256 hash:
2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa
MD5 hash:
2737ca9d24320c1b018a72b836c30515
SHA1 hash:
925a0f61d540aea338b817db5308ee41244911af
Link:
https://www.unpac.me/results/fa330faa-87ff-4738-ba1f-921cb7b4aebc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1393257/

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