MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 035eaa4837d35a30fff60618e860e93811e6ad310ff606b65c3ccd71b78232cd. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 035eaa4837d35a30fff60618e860e93811e6ad310ff606b65c3ccd71b78232cd
SHA3-384 hash: a82027b95b037dbc8e99b05654e1cb109dc01a1ece3d8d8d6fcf1325a1b4c13ca359c053926e42e600c3dd10f66e6a32
SHA1 hash: 648c714342b5550e95daa19689d68aba96340dfe
MD5 hash: e11a1fa20f6ad9a66f748195c1cb7c98
humanhash: delaware-foxtrot-carpet-black
File name:saturdaywork.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:631'808 bytes
First seen:2020-05-10 07:39:25 UTC
Last seen:2020-05-10 08:45:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d4ad7167efe88d625fb1bbb33e608327 (1 x AgentTesla, 1 x RemcosRAT)
ssdeep 12288:OI6kTZ/vzq+AgnQTjEbBPLa5G3MkSm7hDdXmcx7KyXveAaBOp9C3U1W63wzOkv:XVTVzq+APje7hDdXXxKyf8ObQNzOkv
Threatray 1'155 similar samples on MalwareBazaar
TLSH E2D4AF22F1A14837C1631A7D9C1B53A8AF3ABE303E2499467BF41D4C5FF5782352A297
Reporter abuse_ch
Tags:exe RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: host.infomaxtech.com
Sending IP: 107.6.9.9
From: David <accounting@transmedikspecialized.com>
Reply-To: accounting@transmedikspecialised.com
Subject: New Orders
Attachment: Orders.docx.gz (contains "saturdaywork.exe")

RemcosRAT C2:
185.140.53.69:1122

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@FOS-VPN.org'

inetnum: 185.140.53.0 - 185.140.53.255
netname: Freedom_Of_Speech_VPN
remarks: Before you contact us, please read:
remarks: 185.140.53.0/24 belongs to a NON-LOGGING VPN service.
remarks: We don't log any user activities.
remarks: We believe that the right to informational self-determination and the
remarks: right to privacy are essential to all citizens of all countries.
remarks: We don't host anything else on our servers than VPN software and our
remarks: customers can open a fixed number of Ports.
remarks: Like Public WiFi or Tor Exit Node Operators we cannot be held responsible
remarks: for the actions of our customers, because we simply can't (and to be
remarks: honest: don't want) to control them.
country: EU
org: ORG-SL751-RIPE
admin-c: SL12644-RIPE
tech-c: SL12644-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-04-06T18:59:49Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-10 12:56:47 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=anpkusbx2nndb77waymoqyhjhai6nljrb73anns4htgxdn4cglgq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f307822855aabba644e0f79751eeb5f26e0575ae5ade7c6507c6d1ea7a64725
RemcosRAT
18aae95253ffa453609ef3e1150cf9c2b167a1b1c59ae1270e279f8d5e070c27
RemcosRAT
3b13ea61e91a0312f8c187096e435168cee2d2277c46373d01899497345bd0e9
RemcosRAT
667d35d2cff2979ca84df0afe1eca6c164e1d919b989e16b97166c7a30c77a87
RemcosRAT
93c327b46d6354a91a9b20311a2f1e1873e132765816ec26443eb1971ccd2946
RemcosRAT
b8a03fd14b3a3695af8b6c781eb946214a98986279678c6b2a477f22ba1ac3cf
RemcosRAT
c0a656a2f73c254ed2f1e73630083849890b7c1e36161e89fe29d2fd014f9fff
RemcosRAT
de45e137eeda4de58d4840e499559e36ee01256b6180e87249ec035525db6b9c
RemcosRAT
eee72be9b19c5e0fa5fd1b5404798a7ccd5b73830249562f9465583004980a18
RemcosRAT
f9441d3651d67748ec1a2fd325ea1aa9d914208c7fae0853e5b769e52e66ccb8
RemcosRAT
+ 1'145 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/201109-39nzqltaae/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
185.140.53.69:1122
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

gz 8361c796a148d1a31f9518c08fd3b9810d758d0a585a7da44479f74a340499a9

RemcosRAT

Executable exe 035eaa4837d35a30fff60618e860e93811e6ad310ff606b65c3ccd71b78232cd

(this sample)

  
Dropped by
MD5 f07c85c6f340a12fa47055637948864e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8361c796a148d1a31f9518c08fd3b9810d758d0a585a7da44479f74a340499a9

Comments