MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5c898ea8aae91ddfba5afe1b4870a86fd19634d6c30a41d3e68fccf18372577. 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 26 File information Comments

SHA256 hash:	f5c898ea8aae91ddfba5afe1b4870a86fd19634d6c30a41d3e68fccf18372577
SHA3-384 hash:	957ed14c8bb73514d7b0d39af7563559b7b6d5daa3481d967e7225ba3cc57ab30af1661dc21f524ec04b342026b7c5e4
SHA1 hash:	8cd77b917aa173bc1ffc1f99fb318c9ae20d8ba2
MD5 hash:	3653de095b0278458760f6edbbe700fb
humanhash:	coffee-pip-dakota-blue
File name:	New Purchase Order #98540-00.zip
Download:	download sample
Signature	Formbook Create hunting rule
File size:	934'591 bytes
First seen:	2025-01-09 08:37:01 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	24576:n5Lko1GhVe9P6r1cNAK3CL99MO4rkncgGNzXbyXwk8:lGCJucWr4kncBNbbL
TLSH	T19F153318F4EDDDAA5B747E02ABE91F0CB96011D8861F8C59F00CB8569EBE391522CDF1
Magika	zip
Reporter	cocaman
Tags:	FormBook zip

cocaman

Malicious email (T1566.001)
From: "sales@electrotech.net.au" (likely spoofed)
Received: "from [154.203.197.70] (unknown [154.203.197.70]) "
Date: "8 Jan 2025 20:46:45 -0800"
Subject: "New Purchase Order #:98540-00."
Attachment: "New Purchase Order #98540-00.zip"

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:	New Purchase Order #98540-00.exe
File size:	1'388'544 bytes
SHA256 hash:	44e897b05ea6fc3eff3b2db584a2817cab6ca6e81193396abd21d83ce72fffa5
MD5 hash:	202ddedc02150abda9b8679cc21aab02
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Zip_fn45.UNOFFICIAL

SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=677f8bedc029bd73f287efde

Tags:

autoit emotet

Result

Verdict:

Malicious

File Type:

PE File

Link:

https://app.docguard.net/f5c898ea8aae91ddfba5afe1b4870a86fd19634d6c30a41d3e68fccf18372577/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script evasive explorer fingerprint keylogger lolbin masquerade microsoft_visual_cc mmc packed packed packer_detected pcalua redcap wmic wscript

Link:

https://www.filescan.io/uploads/677f8ab62c5819f62e5b21af/reports/02ab78ba-e55f-457c-ab59-47b1dc9ae88a/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/f5c898ea8aae91ddfba5afe1b4870a86fd19634d6c30a41d3e68fccf18372577

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:a01d discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250109-kkac5sxkhr/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

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:	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:	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:	Formbook Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Formbook in memory
Reference:	internal research

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_detect_tls_callbacks Create hunting rule

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

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:	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:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach

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

zip f5c898ea8aae91ddfba5afe1b4870a86fd19634d6c30a41d3e68fccf18372577

(this sample)

Formbook

exe 44e897b05ea6fc3eff3b2db584a2817cab6ca6e81193396abd21d83ce72fffa5

Delivery method

Distributed via e-mail attachment

Dropping

SHA256 44e897b05ea6fc3eff3b2db584a2817cab6ca6e81193396abd21d83ce72fffa5

Dropping

Formbook

Dropping

MD5 202ddedc02150abda9b8679cc21aab02

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample