MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3436a1198e62ccb908d35b3dea6cfed17414f2e59ab62686277d978f5fd73c. 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

BitRAT

Vendor detections: 9

Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash:	ef3436a1198e62ccb908d35b3dea6cfed17414f2e59ab62686277d978f5fd73c
SHA3-384 hash:	168730ce4a1c853c8689bb3632af74eeeee47550f66d7704ee39d46b47ab3318524d2f91072740d9603494ba1698dbbb
SHA1 hash:	8b08571cbd468cc8fd696197da85f950e26cc2d0
MD5 hash:	8463a60187494d4fdc5a27dcd93aa224
humanhash:	lake-london-paris-kentucky
File name:	DW019203084PO020192003928.pdf.exe
Download:	download sample
Signature	BitRAT Create hunting rule
File size:	1'652'224 bytes
First seen:	2021-01-18 09:24:20 UTC
Last seen:	2021-01-18 10:42:45 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d6e1d32178a919c6a73fe0d0ad7b1d48 (1 x BitRAT)
ssdeep	24576:sLjqvGv36lKOO7OkLPC0WyxqM7aZtOWsCD/QadM5HMuTu+O1/ZvGzBk3JaUhC1Np:qqorjC1YCXSTu+O1/ZeClMnjBf
Threatray	78 similar samples on MalwareBazaar
TLSH	9375232236B2C079C05E627890E2FB65DFBEB61325BD26C33F64143A5F102E3597A716
Reporter	abuse_ch
Tags:	BitRAT exe

abuse_ch

Malspam distributing unidentified malware:

HELO: rdns0.pk-karsaz.com
Sending IP: 89.223.124.108
From: HAIRUL AZHAR <u17094677@gmail.com>
Subject: Request for Quotation - Ref001902039459
Attachment: DW019203084PO020192003928.pdf.rar (contains "DW019203084PO020192003928.pdf.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

179

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DW019203084PO020192003928.pdf.exe

Verdict:

Malicious activity

Analysis date:

2021-01-18 09:33:53 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/435a4fc8-625e-4631-9205-09df36a0afaf

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/112531/

Detection(s):

SecuriteInfo.com.Artemis8463A6018749.25584.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Creating a file

Running batch commands

Creating a process with a hidden window

Sending a UDP request

Launching a process

Unauthorized injection to a recently created process

Creating a window

DNS request

Setting a global event handler

Sending a custom TCP request

Setting a global event handler for the keyboard

Enabling autorun by creating a file

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.

Result

Threat name:

BitRAT

Detection:

malicious

Classification:

troj.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/583619

Signature

Hides threads from debuggers

Initial sample is a PE file and has a suspicious name

Machine Learning detection for dropped file

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Sigma detected: Suspicious Double Extension

Uses an obfuscated file name to hide its real file extension (double extension)

Yara detected BitRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ef3436a1198e62ccb908d35b3dea6cfed17414f2e59ab62686277d978f5fd73c/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2021-01-18 09:25:08 UTC

AV detection:

15 of 46 (32.61%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=542dniizrzrmzoii2nnt32tm73ixifhs4wnlmjuge56zpd27246a._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

8/10

Tags:

upx

Link:

https://tria.ge/reports/210118-1gbemdm2ae/

Behaviour

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

UPX packed file

Unpacked files

SH256 hash:

ef3436a1198e62ccb908d35b3dea6cfed17414f2e59ab62686277d978f5fd73c

MD5 hash:

8463a60187494d4fdc5a27dcd93aa224

SHA1 hash:

8b08571cbd468cc8fd696197da85f950e26cc2d0

Link:

https://www.unpac.me/results/995379df-5d43-4abf-87c0-c908ce15363c/

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/ef3436a1198e62ccb908d35b3dea6cfed17414f2e59ab62686277d978f5fd73c

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:	Email_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Email in files like avemaria

Rule name:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	suspicious_packer_section Create hunting rule
Author:	@j0sm1
Description:	The packer/protector section names/keywords
Reference:	http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/