MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1
SHA3-384 hash: 97eff16d0586f9a26cc7727b5cc5bc0ccafc60b9c1ff620f84f37abe141699f62c2f564767dbd66fd036ad6fc5240f2f
SHA1 hash: 9fca02e81457ab52572b8befae86d6b1a978e4ea
MD5 hash: 77a9a0e39c83f3a563ab7d0b4bc81e57
humanhash: oklahoma-bluebird-harry-single
File name:INV WJD000030036000137675999, pdf.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:626'688 bytes
First seen:2021-02-19 07:01:55 UTC
Last seen:2021-02-19 08:36:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 6144:m5rEitdbvWkfRGhW5o0++yZTkXkYQBoQuwSzgue27JdctchbXTF2XL0D+jCxcXI7:PfTkXkdB9u/EuP962h9DuXI7EtlyAKp
Threatray 1'542 similar samples on MalwareBazaar
TLSH 01D4AF0031B84FCBE47E4BF1985A651023F47A9DB46ED64DADC671EE26B2B80441A73F
Reporter abuse_ch
Tags:DHL nVpn RAT RemcosRAT scr


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: rd-ranger.guzelhosting.com
Sending IP: 89.252.185.52
From: DHL Express <noreply@dhl.de>
Subject: DHL Shipment Notification : 210219-RHE-1
Attachment: INV WJD000030036000137675999, pdf.cab (contains "INV WJD000030036000137675999, pdf.scr")

RemcosRAT C2:
talented.hopto.org:9512 (79.134.225.69)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117894/
Detection(s):
SecuriteInfo.com.Artemis77A9A0E39C83.30650.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/612325
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 355175 Sample: INV WJD00003003600013767599... Startdate: 19/02/2021 Architecture: WINDOWS Score: 100 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for dropped file 2->30 32 8 other signatures 2->32 7 INV WJD000030036000137675999, pdf.exe 6 2->7         started        process3 file4 20 C:\Users\user\AppData\...\nnoCzQFaYC.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmpEB55.tmp, XML 7->22 dropped 24 INV WJD00003003600...675999, pdf.exe.log, ASCII 7->24 dropped 10 schtasks.exe 1 7->10         started        12 vbc.exe 7->12         started        14 vbc.exe 7->14         started        16 3 other processes 7->16 process5 process6 18 conhost.exe 10->18         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-02-19 05:12:07 UTC
AV detection:
5 of 48 (10.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtdtwqmublidiw4xriarrwmbdzo76qi4dr75efbf5wttazvfxpqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4b8335250b1cfcb5fac9790261dd43f5efcbc187c68961ee5afd34662d0599ed
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'532 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210219-1dz3xy59le/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
talented.hopto.org:9512
Unpacked files
SH256 hash:
e68f1b07e249b6f86aa4823a9e0e8729d35a01b6aa33ec466b84c254ac7f59bd
MD5 hash:
07966b96de09ac8bf9ecc511d98f5cca
SHA1 hash:
50865d33dee397ca4b3b9d0b7501b99df4fac020
Link:
https://www.unpac.me/results/6ba9bca4-d361-4e9e-94c3-e5b723903507/
SH256 hash:
a0639d8c79d007e6874f69a2dbac9504ff2d13cb098fa0cc96f401d881fde996
MD5 hash:
c2dd61d7f05f89d324b2b720cfcaa23a
SHA1 hash:
3e2fc139cf43d87ca7826f884c2565db3fa78ca0
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/6ba9bca4-d361-4e9e-94c3-e5b723903507/
SH256 hash:
f0a09c48af16c079c37ad0914f18897976357981fe5ee6f556ab9f9f70b9a671
MD5 hash:
f984a71581f6da5732110be2a569a392
SHA1 hash:
10de05b6b35fc5dbc00c42d59a4b850bcaae01e6
Link:
https://www.unpac.me/results/6ba9bca4-d361-4e9e-94c3-e5b723903507/
SH256 hash:
64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1
MD5 hash:
77a9a0e39c83f3a563ab7d0b4bc81e57
SHA1 hash:
9fca02e81457ab52572b8befae86d6b1a978e4ea
Link:
https://www.unpac.me/results/6ba9bca4-d361-4e9e-94c3-e5b723903507/
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/64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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

rar e0e5ed56a2f12522e83a78e2164979b3abee9e7163e9542242708217d4a5144c

RemcosRAT

Executable exe 64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1

(this sample)

  
Dropped by
MD5 00b5651ed0c0b7c5f450b4c9c5113655
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/117894/
  
Dropped by
SHA256 e0e5ed56a2f12522e83a78e2164979b3abee9e7163e9542242708217d4a5144c

Comments