MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a374a58d758a1ec0a7f9bbaebf781fc35c2cc234076ce973d8b27236050225d1. 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 2 File information Comments

SHA256 hash:	a374a58d758a1ec0a7f9bbaebf781fc35c2cc234076ce973d8b27236050225d1
SHA3-384 hash:	6ea5c26dc05a308d9dbc2ff48eb043b91494d5f1e18eaec9b8799dd12ae2a8f31fdc2053d6c78f965a50c76cc54f48c7
SHA1 hash:	2505136b17afa47f542fcb70bdcfacf308b5423f
MD5 hash:	bc64988e6d3ba51bcfec450e031c62c8
humanhash:	thirteen-friend-lemon-texas
File name:	bc64988e6d3ba51bcfec450e031c62c8.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	825'856 bytes
First seen:	2021-02-04 11:57:02 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	46978de0f8944a65af1673d613222a98 (5 x Smoke Loader, 5 x Vjw0rm, 3 x FormBook)
ssdeep	24576:HNR2zaQBt37/CZ0w1PeWnzqhqCC6+PEiw:eUsrC6aEL
Threatray	220 similar samples on MalwareBazaar
TLSH	2D057C12B3D3D1B6EFA125F2C5B553320939BC38173CA6DB7390392EE9A02C16A75359
Reporter	abuse_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

121

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PREP LIST FOR 04 FEBRUARY 2021.doc

Verdict:

Malicious activity

Analysis date:

2021-02-04 06:52:20 UTC

Tags:

ole-embedded trojan exploit CVE-2017-11882 loader formbook stealer

Link:

https://app.any.run/tasks/1c90308c-bc2c-49d6-83b2-0902f11bcf2d

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/115594/

Detection(s):

Win.Malware.Autohk-6995517-0

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Launching a process

DNS request

Sending a custom TCP request

Sending a UDP request

Result

Verdict:

MALICIOUS

Details

Base64 Encoded Powershell Directives

Detected one or more base64 encoded Powershell directives.

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.spyw.evad

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/599201

Signature

Bypasses PowerShell execution policy

Connects to a pastebin service (likely for C&C)

Contains functionality to register a low level keyboard hook

Multi AV Scanner detection for submitted file

PowerShell case anomaly found

Sample or dropped binary is a compiled AutoHotkey binary

Very long command line found

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/a374a58d758a1ec0a7f9bbaebf781fc35c2cc234076ce973d8b27236050225d1/

Threat name:

Win32.Trojan.Injuke

Status:

Malicious

First seen:

2021-02-04 08:09:59 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=un2kldlvripmbj7zxoxl66a7ynoczqrua5wos46ywjzdmbicexiq._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

10/10

Tags:

n/a

Link:

https://tria.ge/reports/210204-p3yf51ld5e/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Blocklisted process makes network request

Malware Config

Dropper Extraction:

httPs://paste.ee/r/MjxkF
httPs://paste.ee/r/IYUs2

Unpacked files

SH256 hash:

a374a58d758a1ec0a7f9bbaebf781fc35c2cc234076ce973d8b27236050225d1

MD5 hash:

bc64988e6d3ba51bcfec450e031c62c8

SHA1 hash:

2505136b17afa47f542fcb70bdcfacf308b5423f

Link:

https://www.unpac.me/results/2f070f42-3148-4571-bd7a-15d568d2ef82/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a374a58d758a1ec0a7f9bbaebf781fc35c2cc234076ce973d8b27236050225d1

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).

Rule name:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time