MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3c359459e4053699435535a4db8eed60a69ea9ebe8330626263fc6f9c1a8729. 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

RemcosRAT

Vendor detections: 5

Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash:	f3c359459e4053699435535a4db8eed60a69ea9ebe8330626263fc6f9c1a8729
SHA3-384 hash:	8311f924329b4cb97ef94bf9bb2dabdb2eada8d1869c7b31dce75caf983d80b037d7192e4f703ed194050dc601ae2970
SHA1 hash:	08e268a75dba081ba6452b8434ece0553d195c4c
MD5 hash:	df7234080db7649371e96c68d1ab4364
humanhash:	six-ink-leopard-robert
File name:	Purchase Order.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	499'200 bytes
First seen:	2020-06-03 16:34:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:yXcQnz4cem5z1jBFBeT320Pt5J6n1QH4wI6aPe4N1ti8ryDZKb4FYZIGK3WfvwzG:yXcQz4cem5ZNyKb4qDGCs8
Threatray	1'212 similar samples on MalwareBazaar
TLSH	3FB4F79C722072EFC85BD472DAA82D68EA5178BB931F4207942715EDDE4C897CF244F2
Reporter	abuse_ch
Tags:	exe nVpn RAT RemcosRAT

abuse_ch

Malspam distributing RemcosRAT:

HELO: smtp3.vooju.com
Sending IP: 3.1.110.166
From: Sinay Santana <ismihan.kobaner@osmak.com.tr>
Subject: June PO 76434675443
Attachment: Purchase Order.lzh (contains "Purchase Order.exe")

RemcosRAT C2:
dolxxrem.hopto.org:3086 (79.134.225.11)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.63'

% Abuse contact for '79.134.225.0 - 79.134.225.63' is 'abuse@anmaxx.net'

inetnum: 79.134.225.0 - 79.134.225.63
netname: BASEL-HOSTING-225-0
country: CH
admin-c: AM38880-RIPE
tech-c: AM38880-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
created: 2016-04-17T00:42:52Z
last-modified: 2016-04-18T06:23:19Z
source: RIPE
remarks: abuse-c AIS166-RIPE
org: ORG-AGIS12-RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-06-03 16:35:34 UTC

AV detection:

22 of 48 (45.83%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6pbvsrm6ibjwtfbvknne3oho2yfgt2u6x2btaytcmp6g7ha2q4uq._file

Verdict:

malicious

RemcosRAT

2634fb80e3aae92bb4b0fa252d7be8242629a9dbcd14301b0002e8d1bfc8b420

RemcosRAT

4c5881962cffc89a01446fe5cfaa1c5f5a42c29c2ec1b75f9dd10232434e9986

RemcosRAT

5ed34087532263b2a7797a258fadc6d243e1eaedc7bcd2860fbb7ee2e1e6306c

RemcosRAT

7248d0601627171f4663a14d2e7ca4d80dc8060cd8e126ff18b53d9139b5e423

RemcosRAT

898fb94bb9fb9894ad31a2c4eec424aa0de35cfe8fb97f9da0914105d397ea3f

RemcosRAT

924d2110a668acae185a205cc51772d088304b941e306ae369b7f62f788d3632

RemcosRAT

960bdf7b7b3bd263fcd5aa32f4b0ddb567349d46f6d5062a8000981675bffe6f

RemcosRAT

ae2820f20d20e5dc262e7e018e027646b4e5e4fcbc58cc6663dd077890b27e64

RemcosRAT

e245394d284c52b53c088927f7548cccff63b0bdc36427c1e4f6f66edc3153bd

RemcosRAT

+ 1'202 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos rat rezer0 spyware

Link:

https://tria.ge/reports/201109-a7ncf9skmj/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Uses the VBS compiler for execution

rezer0

Remcos

Malware Config

C2 Extraction:

dolxxrem.hopto.org:3086

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

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:	ach_RemcosRAT Create hunting rule
Author:	abuse.ch

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator