MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9. 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: 16


Intelligence 16 IOCs YARA 23 File information Comments
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SHA256 hash: 38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9
SHA3-384 hash: f5d34d1d43e1b1661a382a9312e6a7ded88b4e5bf71dca041ffd9c5e6d204fed21a0c0de1aaea57c3f55a27376a50c07
SHA1 hash: ea07025089cbfe166d1b80034c7cff0a09bb5138
MD5 hash: f48c7a1f4006735fbe94b72fe5a1a2d4
humanhash: snake-music-spaghetti-potato
File name:RE.Documents Purchase Order products 23100290683pdf.exe
Download: download sample
Signature Formbook
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File size:563'200 bytes
First seen:2023-11-03 10:35:43 UTC
Last seen:2023-11-06 08:49:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YIkWiFV3y3iWOvLLdr1YPVkGiVEgMTk2QF4+Pg/FJDECr:YIkWCXWOVr1aVkZW24+PgPo
TLSH T1DAC42300667EAF63E9BA93F40994658173FA6A4B4412DF875EAA34CC54E1B0207F1E63
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)
File icon (PE):PE icon
dhash icon b2a86de4d496d469 (11 x Formbook, 6 x AgentTesla, 1 x Loki)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
331
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Trojan.Inject4.59820.19309.26912.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6544cd23af1dc4c055557e6f/reports/9a85ec76-e868-4e46-afb2-98211b2c5634/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9
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/4d39b801-f3bd-4fe1-ab1a-e952ee5c91d5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336564
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
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Status:
Malicious
First seen:
2023-11-03 06:55:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hacjy3elobzi53qoykakxvv666r65taqucxfig6nus3pgmjnjpeq._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:cc73 rat spyware stealer trojan
Link:
https://tria.ge/reports/231103-mm8ptsae98/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
85742944caaebe01cf4101666af159c0dfa0c83af58b822712ec304d5c3d9216
MD5 hash:
91188c3915c320085050b9835be0d98f
SHA1 hash:
f69e069eb750d05308fa45140021b2c4cbd188c4
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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Link:
https://www.unpac.me/results/7730ec58-96e4-45cb-9c18-7e6333d96d49/
Parent samples :
93bc82b99ec0339576f7f93e026ee2dc33b8bdddd99b2addca44e5cbde6b59f8
3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1
81f680191094ca2497c7798b37b83009157a7201dc0f27839c2860d5eb968fd1
38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9
6aeb335b3a8c4506ba69d98007266a0210930cddabc6d3fe6b6c0a28e59ae7db
5c0b363499da0abc5bfe5213d4ccff6ecf5f4b8d2ba2bc6b143f3a79c135e0ce
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/7730ec58-96e4-45cb-9c18-7e6333d96d49/
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
Link:
https://www.unpac.me/results/7730ec58-96e4-45cb-9c18-7e6333d96d49/
SH256 hash:
47b951d586cd1dcaac308843c4096258b87d4664eb52c2d9911e84255ae0c4cf
MD5 hash:
962931b597f3dfc6372744196deb303a
SHA1 hash:
5251aeaefd72913f3f1b1fef4636c71d73695a73
Link:
https://www.unpac.me/results/7730ec58-96e4-45cb-9c18-7e6333d96d49/
SH256 hash:
38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9
MD5 hash:
f48c7a1f4006735fbe94b72fe5a1a2d4
SHA1 hash:
ea07025089cbfe166d1b80034c7cff0a09bb5138
Link:
https://www.unpac.me/results/7730ec58-96e4-45cb-9c18-7e6333d96d49/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/38049c6c8b70/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9

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:cobalt_strike_tmp01925d3f
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Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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Author:Elastic Security
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 00784d75ce7250e4634722b0db5ab6748aca2bf7fe0179e63e0ba5604917e455

Formbook

Executable exe 38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 00784d75ce7250e4634722b0db5ab6748aca2bf7fe0179e63e0ba5604917e455
  
Dropped by
MD5 e92d9d4622153a6556df4c2cef7a2999

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