MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf5c6b24fb692851a4c2a19bbe334b8c7e367606f6dce575b01eac8baa3e35e. 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:	4cf5c6b24fb692851a4c2a19bbe334b8c7e367606f6dce575b01eac8baa3e35e
SHA3-384 hash:	d7ab3eac0f610d693831d77ecd342e6d3e1e4dbc033d691acd51a4d0f5e6bc3a3d6e86d14cbbf7a0cdfa634ca889f928
SHA1 hash:	f749b269c2597d86a468b75bd2bf98a0cff09b47
MD5 hash:	a2cccd242fc5d07f28218c5b5bda7c39
humanhash:	cat-pluto-red-tennis
File name:	Purchase Orders.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	464'912 bytes
First seen:	2022-06-17 09:40:32 UTC
Last seen:	2022-06-17 12:05:46 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:8Q3C2MmHGnxIyB3aKVF+GdI6H2OtXKP17H34/YgiZN/:xSrbIyBqSFZW6H2OtXKt7H3Ngc
TLSH	T1B9A4231F9BB7FB729A7CA1B3C7C2238F88E2198504420E44FAF95EC445A65DDC0D469E
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	FormBook rar

cocaman

Malicious email (T1566.001)
From: ""Alireza Trading Llc" <Ali@digitalocean.com>" (likely spoofed)
Received: "from digitalocean.com (unknown [185.222.57.185]) "
Date: "17 Jun 2022 12:41:45 +0200"
Subject: "Purchase Orders"
Attachment: "Purchase Orders.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

202

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/4cf5c6b24fb692851a4c2a19bbe334b8c7e367606f6dce575b01eac8baa3e35e/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2022-06-17 09:41:09 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

16 of 26 (61.54%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jt24nmspw2jikgsmfim3xyzuxdd6gz3an5w44v23ahvmrovd4npa._file

Result

Malware family:

xloader

Score:

10/10

Tags:

family:formbook family:xloader campaign:utg6 loader persistence rat spyware stealer suricata trojan

Link:

https://tria.ge/reports/220617-lnrl9sdhh6/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Deletes itself

Reads user/profile data of web browsers

Adds policy Run key to start application

Xloader Payload

Formbook

Xloader

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:

Suspicious File

Score:

0.65

Link:

https://yomi.yoroi.company/submissions/4cf5c6b24fb692851a4c2a19bbe334b8c7e367606f6dce575b01eac8baa3e35e

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.