MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e933d8d21e6286e2db9a9fef96bf2ba949fa15c809f58a9070de49d4b50bf83a. 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 17 File information Comments

SHA256 hash:	e933d8d21e6286e2db9a9fef96bf2ba949fa15c809f58a9070de49d4b50bf83a
SHA3-384 hash:	554e78f54ee50d6da91263e56dc53f54cea3d0b54259101144dd497b9e03f541c2296bde67f20af73f7012a03df9ebd5
SHA1 hash:	348dc6499b9a77137310cde9bd0a353fdbdd2401
MD5 hash:	c9929e83098f86dff9e65d143a28e6db
humanhash:	six-nevada-mexico-freddie
File name:	PO# 22209942 _ RFQ Amendments _Shipping Doc_FEDEX.....Pdf.TAR
Download:	download sample
Signature	Formbook Create hunting rule
File size:	573'643 bytes
First seen:	2025-02-12 10:01:02 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:s+OMTBaLKg6Z4lJjoUJrDlPXaC0z8Ijo/1i4EErRAQwaWEDbt:sJ4BaLKg6ZQJcYdvHIo/oCyQRWIbt
TLSH	T1B5C42315A6CE382EA753CC8ED80482873556C6CB4545E20E9C7DFE3E91687C4BB8B7E4
TrID	58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1) 41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	cocaman
Tags:	FormBook rar RFQ Shipping tar

cocaman

Malicious email (T1566.001)
From: ""Rodrigo JULAN A." <Agency@foscon.com.ph>" (likely spoofed)
Received: "from vz05.pleskserver.xyz (vz05.pleskserver.xyz [87.236.103.100]) "
Date: "Wed, 12 Feb 2025 03:46:18 +0100"
Subject: "RE: RV: MH004K - M906K // D.J.V EXPORTS PTE. LTD // AIR/OCEAN
SHIPMENTS // PO#022108-022136"
Attachment: "PO# 22209942 _ RFQ Amendments _Shipping Doc_FEDEX.....Pdf.TAR"

Intelligence

File Origin

# of uploads :

# of downloads :

123

Origin country :

File Archive Information

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

File name:	PO# 22209942 _ RFQ Amendments _Shipping Doc_FEDEX.....Pdf.exe
File size:	1'067'520 bytes
SHA256 hash:	fc4b96c08701cd086a981e6a3cf8e76f6da3377d08f2f081dc46c4228096b7ed
MD5 hash:	633f8fb322c4d30811187d4896c4f8d1
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67ac04c46ddd91410accdec0

Tags:

autorun autoit emotet

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script fingerprint keylogger lolbin masquerade microsoft_visual_cc obfuscated packed packed packer_detected phishing remote

Link:

https://www.filescan.io/uploads/67ac716bc0f303a5682e22c2/reports/10c351fe-059d-4689-aa8e-08ccfa4ba509/overview

Verdict:

Malicious

Labled as:

HIDDENEXT/Worm.Generic

Link:

https://www.hybrid-analysis.com/sample/e933d8d21e6286e2db9a9fef96bf2ba949fa15c809f58a9070de49d4b50bf83a

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/e933d8d21e6286e2db9a9fef96bf2ba949fa15c809f58a9070de49d4b50bf83a/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-02-12 01:46:18 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5ez5ruq6mkdofw42t7xznpzlvfe7ufoibh2yvedq3ze5jnil7a5a._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:bs84 discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250212-qjz53asqev/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Checks installed software on the system

Drops startup file

Executes dropped EXE

Downloads MZ/PE file

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/e933d8d21e6286e2db9a9fef96bf2ba949fa15c809f58a9070de49d4b50bf83a

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

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 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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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)