MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dcf832ed4958dc635c13f89a6d2410a5357bef75ab7c5dd7c59f78c4c249ff4. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1dcf832ed4958dc635c13f89a6d2410a5357bef75ab7c5dd7c59f78c4c249ff4
SHA3-384 hash: 88147c0ef448d6ca8af0832d4cbd70d14cd2b79cef2cf338b91169f6ffa2536173c36aabb12f5ed6b27cfcedad34eb69
SHA1 hash: e54b25f239c917537f73bc9221761bc0d0d72e61
MD5 hash: 9de57b400b99f3109d4132452b0090e2
humanhash: lake-louisiana-red-high
File name:Purchase Order-P54477890.r15
Download: download sample
Signature Formbook
Create hunting rule
File size:613'800 bytes
First seen:2025-04-17 07:38:31 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:rnARwP8psEwgx01/jegIEIJVHjndBshdXYSv6p9RQ6TSq:rAg/Y0ljegwTdi7XxvK/yq
TLSH T19ED423A3D1A2C226998FFE2E716E5B854D31790D5F45693DC1B70521A4CB2DFF022BE0
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "mona@unitransbd.com" (likely spoofed)
Received: "from [213.209.150.174] (unknown [213.209.150.174]) "
Date: "16 Apr 2025 00:31:46 -0700"
Subject: "Purchase Order-P54477890"
Attachment: "Purchase Order-P54477890.r15"

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
CH CH
File Archive Information

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

File name:Purchase Order-P54477890.exe
File size:696'840 bytes
SHA256 hash: a90bca8c1f6a63cc34a896eb3883428fab6fb6b4aca385ac917fdafcdbf9e774
MD5 hash: 5ac076044272cb7878a22d6f5581fc4c
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6800b1672203b3e10cd016e4
Tags:
agenttesla phishing
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/6800b02d90767142c3d8a075/reports/a5e6a517-e595-4988-8913-893895ec42c5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1dcf832ed4958dc635c13f89a6d2410a5357bef75ab7c5dd7c59f78c4c249ff4
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/1dcf832ed4958dc635c13f89a6d2410a5357bef75ab7c5dd7c59f78c4c249ff4/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-04-16 03:42:23 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxhyglwuswg4mnobh6e2nusbbjjvppxxlk34lxl4lh3yytbet72a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bi14 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250417-jsbqhatrs8/
Behaviour
Enumerates system info in registry
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
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.

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
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

rar 1dcf832ed4958dc635c13f89a6d2410a5357bef75ab7c5dd7c59f78c4c249ff4

(this sample)

Formbook

Executable exe a90bca8c1f6a63cc34a896eb3883428fab6fb6b4aca385ac917fdafcdbf9e774

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a90bca8c1f6a63cc34a896eb3883428fab6fb6b4aca385ac917fdafcdbf9e774
  
Dropping
MD5 5ac076044272cb7878a22d6f5581fc4c

Comments