MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54
SHA3-384 hash: 1e9d44b8478748c37e6465ad5eed4dffeaa0a8ce9401d24ce4cf3d145345b9e1004abb785c83afcb8d6449c178a2d23e
SHA1 hash: 520f297016df279a45471ae8253f9fbbc115147e
MD5 hash: e44050dd66a508578df9ad4f30f69671
humanhash: jersey-eleven-potato-batman
File name:RE QUOTATION.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:803'840 bytes
First seen:2022-07-18 08:15:31 UTC
Last seen:2022-07-25 09:10:07 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 24576:FmR9Nl0/EqvU9Nt2rDVGW+rLUnO9VaQS:Fmll0/Eb9NwvVG9oO9n
Threatray 14'541 similar samples on MalwareBazaar
TLSH T1D80512013BE91707C5BAC3FD6672944047BABA767230E75D4ED2A0EE19A2B814B41F1F
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/291528/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Noon.lc.6979.19561.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d516e30e298a94f3d8e5e9/reports/23771759-cc4d-43c7-8568-a29280d64175/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/11d3ac26-2db1-4f2a-bbd0-8e7eb5af5464
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1035571
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668065 Sample: RE QUOTATION.exe Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 43 www.sevenstarprop.com 2->43 45 sevenstarprop.com 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 14 other signatures 2->53 11 RE QUOTATION.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\rUfcLpQlfrRE.exe, PE32 11->35 dropped 37 C:\Users\...\rUfcLpQlfrRE.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp85D8.tmp, XML 11->39 dropped 41 C:\Users\user\...\RE QUOTATION.exe.log, ASCII 11->41 dropped 55 Adds a directory exclusion to Windows Defender 11->55 57 Injects a PE file into a foreign processes 11->57 15 RE QUOTATION.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Queues an APC in another process (thread injection) 15->69 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 mstsc.exe 22->28         started        signatures11 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Tries to detect virtualization through RDTSC time measurements 28->63 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-18 06:02:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sqnv2attznmvr7kauavveujzgfaprnzhexrjzqmitphwntj5brka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
089fdb9024c9f8436e2c2a7e0e8734266fe5d65bcdbaf99fac4a26b0879b29d9
Formbook
1889dc19b2876d4d9619f7cb0ccc14c0563a5b951836ddae0fc578431b15c840
Formbook
28553a815377abf1848c9f84e528e6115969744b4d735e2e0cab9e4ed919a23d
Formbook
3c6967014b152bce9c9fe1c749e9be7d47638563c820e3ae638e4a8c11fbe667
Formbook
78fdca14f99e25685ccef65e154f5c747430a955c399adb72d32cd0e364a4780
Formbook
8370746ea957582a6e53d4ffb81c864b484d73cbea2904b040375ee851bcb06d
Formbook
994dd288944c3ad3229fc696132b470fa0a6eaadf9b932cdd317df9313217f63
Formbook
cb9934d2f592f67086f8c33eaf75eab1d048b9985b6acf297aca4c98d07ddda1
Formbook
+ 14'531 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:jr04 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-j55jcaafd7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
256d761b54d3e6f4ff15499cd707a4bd02c92710e85eb9e8fc3ae387e6e2704f
MD5 hash:
85855cd278c43f55ae386f92e584fc6f
SHA1 hash:
ca00ac6fd54bf7e5a1710981e9857451abc8b617
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/782f651d-3ee4-4bb0-948a-e2a8e84ba5b0/
Parent samples :
cb2fe19cf830c90e1619bf31283d4abb68ac50e20eb0897891c6ce2ab6ba803f
15dcdfbd4c4fa20ce82cff55159ae0276c9cce9f487a340681f77234f0d64a3b
941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54
03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d
18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b
dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/782f651d-3ee4-4bb0-948a-e2a8e84ba5b0/
SH256 hash:
3c9357178e66ddcac1f1297e255611931c74ca94255bf0abe9ec8532a0363516
MD5 hash:
22e54c6d749aec090286f696fb324a4b
SHA1 hash:
d6b1e321853425835f6e8c4a999086564e03fb83
Link:
https://www.unpac.me/results/782f651d-3ee4-4bb0-948a-e2a8e84ba5b0/
SH256 hash:
e6fe7fcde10cd4785c435b8f7f048e5488b1fb252bd074b64d5d834eb7c2103b
MD5 hash:
68836d72ba210c7c2d5af4a9bb9b2d68
SHA1 hash:
6489ce4c9c73969d4f049efbaa97a1b75479c591
Link:
https://www.unpac.me/results/782f651d-3ee4-4bb0-948a-e2a8e84ba5b0/
SH256 hash:
be67a5d5b858c949efa08a8777b891275774af446f759d53e1d045ff5661d6a7
MD5 hash:
e53760a70bd92a842429e31ee01fe974
SHA1 hash:
5217fa45df2016cb03c39efa8b40326deceb111b
Link:
https://www.unpac.me/results/782f651d-3ee4-4bb0-948a-e2a8e84ba5b0/
SH256 hash:
941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54
MD5 hash:
e44050dd66a508578df9ad4f30f69671
SHA1 hash:
520f297016df279a45471ae8253f9fbbc115147e
Link:
https://www.unpac.me/results/782f651d-3ee4-4bb0-948a-e2a8e84ba5b0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54

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
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.

Malspam

Formbook

Executable exe 941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291528/

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