MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3e187cf3c0b82b1fedb6340c005a03f7a51909227d3ec4924e760dd0d1b10d2. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	c3e187cf3c0b82b1fedb6340c005a03f7a51909227d3ec4924e760dd0d1b10d2
SHA3-384 hash:	b8f276e76176bf9422e4f944896406ae322a6007f7dd70d2420e12f6157200e3f955435e929d293ac4b44b2965f0ecf0
SHA1 hash:	f46bee1213bb9c182ad11cd46777eaad41c7e5b2
MD5 hash:	16069ea2de3675d1780a69c258d26264
humanhash:	jupiter-helium-leopard-oxygen
File name:	Copy!!!.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	450'634 bytes
First seen:	2022-06-20 05:57:51 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:ca31B571s9WLbHq0X6Cb1ZeMmDrQkrGQbT4gIj:PT6ALqG6Ch4N/QoGQfhm
TLSH	T103A423C9CBB54A4BDD3CA6F30D90AE1287857F11EFCE49ECD16BB504A0A2109776B346
TrID	58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1) 41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	FormBook rar

cocaman

Malicious email (T1566.001)
From: "Mr. Owen <nonereply@wetransfer.com>" (likely spoofed)
Received: "from wetransfer.com (unknown [141.98.10.57]) "
Date: "20 Jun 2022 07:00:02 +0200"
Subject: "Re: Tee time Sept 2022"
Attachment: "Copy!!!.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

196

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Result

Verdict:

UNKNOWN

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/c3e187cf3c0b82b1fedb6340c005a03f7a51909227d3ec4924e760dd0d1b10d2/

Threat name:

Win32.Trojan.CrypterX

Status:

Malicious

First seen:

2022-06-20 05:58:12 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

8 of 40 (20.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ypqyptz4bobld7w3mnamabnah55fdeese7j6ysje45qn2di3cdja._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:rsea rat spyware stealer suricata trojan

Link:

https://tria.ge/reports/220620-gn6nzaafb4/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Deletes itself

Formbook Payload

Formbook

suricata: ET MALWARE FormBook CnC Checkin (GET)

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.71

Link:

https://yomi.yoroi.company/submissions/c3e187cf3c0b82b1fedb6340c005a03f7a51909227d3ec4924e760dd0d1b10d2

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:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.