MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37. 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: 10


Intelligence 10 IOCs YARA 21 File information Comments
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SHA256 hash: 6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37
SHA3-384 hash: be02e2b8e0d4f921c4b900a22c3eff582f1899cb86ed834372562a73f19e8186b94a9218fb01edc1414f9e6a8f9bc171
SHA1 hash: 4a0a13e070b5e0fce6749efb1facd2ba278eff84
MD5 hash: ff1a8779ae2635eb5487af042fd8e538
humanhash: black-ack-hydrogen-skylark
File name:RFQ-2025-03.7z
Download: download sample
Signature Formbook
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File size:564'845 bytes
First seen:2025-06-22 08:38:09 UTC
Last seen:Never
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 12288:ulo9cqMyHyZauKo5JU+089NmZCl5U2k1Gb84BfFt8IUQHhFSE:V3MySZbKyJvfl5U2VQ49FtKQBFSE
TLSH T11DC4233D2BD3A0204F70ECB1E5AD25954042B67AE992670F4C73FB366A97E4E4461BF0
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Magika sevenzip
Reporter cocaman
Tags:7z FormBook RFQ


Avatar
cocaman
Malicious email (T1566.001)
From: "sales@re-petroleum.com" (likely spoofed)
Received: "from unassigned.quadranet.com (unknown [198.55.98.192]) "
Date: "20 Jun 2025 05:47:55 -0700"
Subject: "Re: RFQ"
Attachment: "RFQ-2025-03.7z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
CH CH
File Archive Information

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

File name:QorM2Yn9E317AWH.exe
File size:633'352 bytes
SHA256 hash: f700199315360a824ed6eca65f543d531d04210118e3cfc8bfbe986ed1641aaa
MD5 hash: 10b894196189ab0127a06d1512936630
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericS.5950.32694.5636.UNOFFICIAL
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Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6857c1c6b06783b9ebd69621
Tags:
injection spawn shell
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dotnet-loader expired-cert invalid-signature obfuscated packed packed packed packer_detected signed
Link:
https://www.filescan.io/uploads/6857c15e3faf8fcd7d3a9b50/reports/2270b777-7dd6-4e87-a3f3-ca7636c87c54/overview
Verdict:
Suspicious
Labled as:
Trojan.U.FormBook
Link:
https://www.hybrid-analysis.com/sample/6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37
Score:
96%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
7z Archive Executable PE (Portable Executable) SFX 7z
Link:
https://app.malva.re/file/ff1a8779ae2635eb5487af042fd8e538
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37/
Threat name:
ByteCode-MSIL.Trojan.VIPKeylogger
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Status:
Malicious
First seen:
2025-06-20 13:40:26 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m43otih3akghxope4reknzj6rssly56orianterqlhpvrfblvq3q._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:hi26 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250622-kn4fdsyly3/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
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/6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37

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:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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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
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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Author:malware-lu
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_imphash
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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:Runtime_Broker_Variant_1
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Author:Sn0wFr0$t
Description:Detecting malicious Runtime Broker
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:Sus_Obf_Enc_Spoof_Hide_PE
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Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_form_obfuscate
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Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information

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

Malspam

Formbook

7z 6736e9a0fb028c7bb9e4e448a6e53e8ca4bc77ce8a00d9923059df58942bac37

(this sample)

Formbook

Executable exe f700199315360a824ed6eca65f543d531d04210118e3cfc8bfbe986ed1641aaa

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f700199315360a824ed6eca65f543d531d04210118e3cfc8bfbe986ed1641aaa
  
Dropping
MD5 10b894196189ab0127a06d1512936630

Comments