MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d51ffc87335d671ff7414bfdfa7509ae28b4b654ccbab49171ba8751a0c9d06. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 6d51ffc87335d671ff7414bfdfa7509ae28b4b654ccbab49171ba8751a0c9d06
SHA3-384 hash: 95870cdcad9e1cc6493178171e871351b70af2989e4eb8187543a46acf2fb13f78494f1b0faaddafe4469b6cb3e6bd8e
SHA1 hash: 9a836a0370a7df3b3769ddc54454a0936035226e
MD5 hash: 52dbee14b2cf2f52d895cf8372c7444e
humanhash: vegan-montana-carpet-helium
File name:AlvOBUxH6fcUHuy.exe
Download: download sample
Signature RemcosRAT
File size:550'912 bytes
First seen:2020-10-18 06:36:32 UTC
Last seen:2020-10-18 07:57:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:Pxj58RJhpyG9zxJozXXN2yQ5pIfd24K5aDK4evB3DH0FTPrv4F0Gu7Q8WFEu33Fr:Ku/RhH59PRV3KZt6koElLZhncdWg9
Threatray 891 similar samples on MalwareBazaar
TLSH 95C4D02017A47F40E13E5B3EA464001087F9B943D767D79E7DE12ADA1EB3F4286A770A
Reporter abuse_ch
Tags:DHL exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mysmtp1
Sending IP: 13.66.133.204
From: 'DHL Customer Service" (customer@dhI.com)
Subject: DHL - Pending delivery
Attachment: DHL Detail.img (contains "AlvOBUxH6fcUHuy.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Creating a file
DNS request
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Rescoms
Status:
Malicious
First seen:
2020-10-17 19:52:28 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Unpacked files
SH256 hash:
4a3b1a6a8878834b0f740b0896e624ca9da400f7d29314c8794e1763fe2f7f49
MD5 hash:
76c0ebcb7a91f1cc785f95d8a409b10b
SHA1 hash:
38147b21599ca3b21970d06357a9797a2b76b845
SH256 hash:
6cd0d34b6a47b7ae4073757bf9894fb0f4d420d0d457bda7aa5d72d4d3866954
MD5 hash:
73282eaf44e8e0e326cb7f3171a79b2d
SHA1 hash:
c525c1247bd8f11b764dc4e11690f679c1decc11
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
6998f990e060191de650dfd6223dcda30e8d84848618b4e0b5c27ccf69d20e96
MD5 hash:
3377bc9e0a21fc5a3c6b0d2758a95cfa
SHA1 hash:
2c97af15252dcaaa937f53c665b83dc309624464
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
6d51ffc87335d671ff7414bfdfa7509ae28b4b654ccbab49171ba8751a0c9d06
MD5 hash:
52dbee14b2cf2f52d895cf8372c7444e
SHA1 hash:
9a836a0370a7df3b3769ddc54454a0936035226e
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
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:win_remcos_auto
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

Executable exe 6d51ffc87335d671ff7414bfdfa7509ae28b4b654ccbab49171ba8751a0c9d06

(this sample)

  
Delivery method
Distributed via e-mail attachment

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