MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c. 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: 8


Intelligence 8 IOCs YARA 19 File information Comments
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SHA256 hash: c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c
SHA3-384 hash: ecfabdd0b5db9f618e2c701ff78df86173807f3857c7dcda5298d779d6a72c1640c2d2cc0084bd8292087041f092f92f
SHA1 hash: e5c2f946149763af44c113c42f8e2174fb9dd71e
MD5 hash: 17c36a8cf4c8c2a87e5531b2b667f596
humanhash: lactose-burger-sink-harry
File name:PO 44223.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:340'500 bytes
First seen:2023-11-09 17:20:13 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:4d2SE2sjeCOWxSOYFe4rcpIUxl3JbiST8VFyPRbH36:ADs+KSveKwIUxl3JeS5D6
TLSH T178742303BEDC8166E50C81DA5F046E124988BA6F1A38572B931F0ECD8A47DDC37DD8B9
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Mohamed Boraie <info@citius-engineering.com>" (likely spoofed)
Received: "from [45.62.170.208] (unknown [45.62.170.208]) "
Date: "8 Nov 2023 18:46:15 -0800"
Subject: "Purchase Order"
Attachment: "PO 44223.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:PO 44223.exe
File size:354'142 bytes
SHA256 hash: 8b2f4933b09675c064d43be29eedb0b1889a99d9fb2efe91af0abb7a61974e3f
MD5 hash: c0b99bd45fc8dc88559f328f5179163e
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20231109-1133.UNOFFICIAL
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Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/654d15016f0bce3326371e01/reports/2d1f5773-bd54-41fb-a6cb-695eb569d43e/overview
Verdict:
Malicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-11-09 01:04:59 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yavbqhifycspvj72trpkyhoi7iqhstuoqvcfftlvtz6i22ebquwa._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:st58 rat spyware stealer trojan
Link:
https://tria.ge/reports/231109-vx44dsba6w/
Behaviour
Enumerates system info in registry
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c

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:DebuggerCheck__GlobalFlags
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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
Create hunting rule
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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
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
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
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
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
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

rar c02a181d05c0a4faa7fa9c5eac1dc8fa20794e8e854452cd759e7c8d6881852c

(this sample)

Formbook

Executable exe 8b2f4933b09675c064d43be29eedb0b1889a99d9fb2efe91af0abb7a61974e3f

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8b2f4933b09675c064d43be29eedb0b1889a99d9fb2efe91af0abb7a61974e3f
  
Dropping
Formbook
  
Dropping
MD5 c0b99bd45fc8dc88559f328f5179163e

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