MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f116c8f89973d9a9641d0dfd79af6c83c36ea2bf80a7cde67c18613402a1936. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f116c8f89973d9a9641d0dfd79af6c83c36ea2bf80a7cde67c18613402a1936
SHA3-384 hash: 8eeb54494daccc60bf3622105c46445f08aab4033ed64b4dedb9e023ffd4b07eb8d79caeb683766d883a93018a09b61d
SHA1 hash: 6a656dd83746eab439e5945c262f96b3cdce15ec
MD5 hash: d44fd12c4a59244c15415cc69d9107b2
humanhash: glucose-papa-nine-lamp
File name:PO93-DOC89345833_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:246'784 bytes
First seen:2020-07-13 11:58:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 3072:wMGNsC73LQNUuEc66Gy9yBl05YI5e0VnMx1nwL27rFxEeWlPkXzeFtpyzJL6dvf:wVWU3ehE/DoyBlLcnMjE0oPkjeFt81
Threatray 789 similar samples on MalwareBazaar
TLSH 20348D5162FC5712D029C7F04A10A8C28776706B666AE684BDCF39EF0BB8F141752F9B
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: li1640-29.members.linode.com
Sending IP: 172.104.60.29
From: Joyce Chen <dreamt2004@naver.com>
Reply-To: dreamt2004@naver.com
Subject: Purchase Order for #V20200 2020-07-06
Attachment: PO93-DOC89345833_pdf.zip (contains "PO93-DOC89345833_pdf.exe")

RemcosRAT C2:
109.169.89.116:2021

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25295/
Detection(s):
SecuriteInfo.com.Generic.mg.d44fd12c4a59244c.21486.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Sending a custom TCP request
Creating a file
Setting a global event handler for the keyboard
Enabling autorun with Startup directory
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f116c8f89973d9a9641d0dfd79af6c83c36ea2bf80a7cde67c18613402a1936/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 12:00:08 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d4iwzd4js46zvfsb2dp5pgxwza6dn2rl7afhzxthygdbgqbkde3a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
13eaaf168207a5014c105532b6a23805fc6db28f73908914a4583979173cc254
RemcosRAT
2f07a5d8c1e6ac465e5d306b0fb8335aa41f3204b9bf9793337a849a93921a9a
RemcosRAT
314d26bc5fe146f5040c40b8c5b889e6e90cb0b22ec694564c1182d49c3bf950
RemcosRAT
397545efcbf53bebabdb003bbe9f8b619b7ffdd5383c21ecd9e99c6de3e3cd83
RemcosRAT
3bdfaf82d5d56f2546be44b3355f8d72cc0508984586e0fba3d704a5adabf7d1
RemcosRAT
64ba0f4265f9ed3f3f9315ee0256b360827074d5f898a7eb07ed98dd5f7fec7e
RemcosRAT
970ffc480d61b37737f34ddf738e257a99162cce8338f7c59fdd4ab995ae9dfc
RemcosRAT
b3ae13e392ebe3eec95949395786577344472af7588ed1db4577c597a417e8a4
RemcosRAT
c8c1e04edd5c422d065e27a3a73931d373de200419cd9ba649fdfadee686e5f2
RemcosRAT
d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
RemcosRAT
+ 779 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos
Link:
https://tria.ge/reports/200713-t1zmdctqss/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Remcos
Malware Config
C2 Extraction:
109.169.89.116:2021
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

zip b371d002c5cdc04dc83f47d413a17103d6325b13c945ff090952aa743b6e9205

RemcosRAT

Executable exe 1f116c8f89973d9a9641d0dfd79af6c83c36ea2bf80a7cde67c18613402a1936

(this sample)

  
Dropped by
MD5 42e0fe24cb392a0dc23c0232959bad30
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/25295/
  
Dropped by
SHA256 b371d002c5cdc04dc83f47d413a17103d6325b13c945ff090952aa743b6e9205

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