MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 283d73c9cdad8d3d81b7996b711b5e7d039e97e89102c1f512d23eac9b834167. 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: 9

Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash:	283d73c9cdad8d3d81b7996b711b5e7d039e97e89102c1f512d23eac9b834167
SHA3-384 hash:	5eaf51613a4cf289bd1153990f0a489e9cafb342bb3ab360f687a6b633f6794a924f2bcdb4fbd699ac0fb30689e321aa
SHA1 hash:	65a0cdf25a6fab72553c05a8271010a889885546
MD5 hash:	b46e0ab6b9b5c44637a1d63d99033908
humanhash:	magazine-mississippi-finch-juliet
File name:	New order supply.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'024'393 bytes
First seen:	2025-03-06 12:34:52 UTC
Last seen:	2025-03-07 07:30:32 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	24576:ejq65q6r5Y/Y7R16pikB5Z7rFs3CbmBDN6FnKHHdgH5zJrqa6223D:ej/j5qY7zuimt7uuKHHqJc7223D
TLSH	T11A2533A5F36524F2A463B948FEC855CA1B5DDFC2740ACB33287A6A383469F4D3410B76
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 rar

cocaman

Malicious email (T1566.001)
From: ""DLDR Crew (Sheng)" <crew@dl-dongrong.com>" (likely spoofed)
Received: "from dl-dongrong.com (unknown [195.211.191.192]) "
Date: "06 Mar 2025 07:24:42 -0800"
Subject: "RE: New order supply"
Attachment: "New order supply.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

117

Origin country :

File Archive Information

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

File name:	New order supply.exe
File size:	1'095'680 bytes
SHA256 hash:	ee888cbdcfea8296d9a839157d62b73229bf06f0446567b529867181bb807a77
MD5 hash:	4a961aa2dd11d91f55f9dbf01869e977
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c91070c8d04e92a4bf4089

Tags:

shell msil sage

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade obfuscated obfuscated packed packed packer_detected phishing vbnet

Link:

https://www.filescan.io/uploads/67c99686e95d0f9029e50d3d/reports/2854a53f-1351-40a8-8f99-29865de62d61/overview

Verdict:

Malicious

Labled as:

Trojan.FormBook

Link:

https://www.hybrid-analysis.com/sample/283d73c9cdad8d3d81b7996b711b5e7d039e97e89102c1f512d23eac9b834167

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/283d73c9cdad8d3d81b7996b711b5e7d039e97e89102c1f512d23eac9b834167/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-03-06 09:24:21 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fa6xhsonvwgt3anxtfvxcg26pubz5f7isebmd5is2i7kzg4diftq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:mg63 discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/250306-rknn4a1lw3/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

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

Deletes itself

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:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/283d73c9cdad8d3d81b7996b711b5e7d039e97e89102c1f512d23eac9b834167

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__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	NET Create hunting rule
Author:	malware-lu

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)