MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4783c5e15417dadefcc0b87db2113bdabe292959919bcdbd6088284938d1c1f3. 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 6 File information Comments

SHA256 hash:	4783c5e15417dadefcc0b87db2113bdabe292959919bcdbd6088284938d1c1f3
SHA3-384 hash:	63006e0fcd0078719969dd0f8482c2b781b21e50df5ae71372f2d23d74d4cdb5fc76c893eb66419d82ed7198e9f05e6b
SHA1 hash:	d3aac1102ad9cdb1b17649b6f2b9d6b3bc09cdcf
MD5 hash:	685427da03c15299b661a919ce9409e3
humanhash:	oregon-robin-nitrogen-gee
File name:	New Order.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	15'149 bytes
First seen:	2025-03-12 08:02:17 UTC
Last seen:	2025-03-12 08:59:34 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	384:oWJelkUq/n1HCv1yb7PoAiHpCgd4NmxQGk:oWJ8uCN2N/gd4NSQt
TLSH	T1C262CFC1D508BEB570F0EE8E4FBE1B07B9BD2CCD279DB150809E71C92360949342A58B
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: "Cindy <mail@nuevotec.com>" (likely spoofed)
Received: "from nuevotec.com (unknown [45.144.212.136]) "
Date: "11 Mar 2025 17:52:34 -0700"
Subject: "Re: New Order & Contract 90878900653 "
Attachment: "New Order.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

117

Origin country :

File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:	32512
File size:	20 bytes
SHA256 hash:	f78beaa8a648d5fea615e001cf967454caf3607d17409b7fa64ecc4ed4e781db
MD5 hash:	dc50bc98ce9fb9d33cb41255cb360332
MIME type:	application/octet-stream
Signature	Formbook

File name:	New Order.scr
File size:	38'912 bytes
SHA256 hash:	5df3cc983cea806c5bda3747bce97f051997d14cf692f2128fb2ad575e56f049
MD5 hash:	7f879ef74891855e9437830ae83d4f40
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67d02ad94fd7d3fd0e082ed8

Tags:

n/a

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade net_reactor obfuscated packed phishing

Link:

https://www.filescan.io/uploads/67d13fbd3c5f644bd94ec42b/reports/ec666eee-1470-4782-a14c-3601b8027a40/overview

Verdict:

Malicious

Labled as:

Ransom.Wacatac

Link:

https://www.hybrid-analysis.com/sample/4783c5e15417dadefcc0b87db2113bdabe292959919bcdbd6088284938d1c1f3

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/4783c5e15417dadefcc0b87db2113bdabe292959919bcdbd6088284938d1c1f3/

Threat name:

Win32.Trojan.Jalapeno

Status:

Malicious

First seen:

2025-03-12 02:25:33 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=i6b4lykuc7nn57gaxb63eej33k7cskkzsgn43plarauesogryhzq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:mg63 discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250312-kdnl7atmw3/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Suspicious use of NtCreateUserProcessOtherParentProcess

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/4783c5e15417dadefcc0b87db2113bdabe292959919bcdbd6088284938d1c1f3

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft 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)