MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b770d898774b2528dd283b7f546175d27f56cbfdb000fca6e2fbaba557e0325c. 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:	b770d898774b2528dd283b7f546175d27f56cbfdb000fca6e2fbaba557e0325c
SHA3-384 hash:	62fe98d4d60bd1c569ae3c73dc9bf41ad1cf91c9a5e845964e00c3df4975999f3e649c8f9ffd94148eaf74df0214a8d9
SHA1 hash:	51a8830025931946a6c017a5d4e0cb8a5f6ecaec
MD5 hash:	8f4b47b8156ea3179cee308f5710aefd
humanhash:	queen-cat-william-solar
File name:	Purchase Orders.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	484'697 bytes
First seen:	2022-06-22 06:49:29 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:d0iReG68+ronmocrqzL+rlVCAYlgrYfXZVhTsG:Heq+rumHcCHCAsgsfXZbQG
TLSH	T1CBA423DACB8E80BD8DCD5A167C79BAA614F1200371525FF6997D930846CA4CD361ACF3
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" <beenjau@ms38.hinet.net>" (likely spoofed)
Received: "from ms38.hinet.net (unknown [185.222.57.185]) "
Date: "22 Jun 2022 03:13:31 +0200"
Subject: "Purchase Orders"
Attachment: "Purchase Orders.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

181

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/b770d898774b2528dd283b7f546175d27f56cbfdb000fca6e2fbaba557e0325c/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2022-06-22 01:21:52 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

22 of 41 (53.66%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w5ynrgdxjmssrxjihn7viylv2j7vns75waapzjxc7ov2kv7agjoa._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/220622-hlye9ahfbl/

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

Xloader Payload

Formbook

Xloader

suricata: ET MALWARE FormBook CnC Checkin (GET)

suricata: ET MALWARE FormBook CnC Checkin (POST) M2

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/b770d898774b2528dd283b7f546175d27f56cbfdb000fca6e2fbaba557e0325c

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.