MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7f09eb72021576518b37cce8a29aede8b3e49ec827a3f63e54bf1850eb93243. 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 8 File information Comments

SHA256 hash: d7f09eb72021576518b37cce8a29aede8b3e49ec827a3f63e54bf1850eb93243
SHA3-384 hash: 8d03570598bac289c90ad7ac210899c7c9269a5db4cdc7d1323f7cae25f3fd1e9c4eee9525c01b9f051400c7317cf9c7
SHA1 hash: c0887decbefa0a5209d693d30f9b06f624bc7d95
MD5 hash: 3b4000cde56eb2930d8139f253e068b5
humanhash: eleven-skylark-purple-burger
File name:YZD221120.exe
Download: download sample
Signature RemcosRAT
File size:924'160 bytes
First seen:2020-11-23 14:31:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:w4scPOouQXkzxXy90lamYkp4D89Yz6V0Lf:wOPOouQXkzxXy6aZ441BT
Threatray 1'164 similar samples on MalwareBazaar
TLSH 1615AF1213889F18F43E9B7965184010D7F5BE03D726DBADBED435DA0A33A82CB6B716
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Creating a file
Forced shutdown of a system process
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Rescoms
Status:
Malicious
First seen:
2020-11-22 06:20:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
91.193.75.147:2021
Unpacked files
SH256 hash:
d7f09eb72021576518b37cce8a29aede8b3e49ec827a3f63e54bf1850eb93243
MD5 hash:
3b4000cde56eb2930d8139f253e068b5
SHA1 hash:
c0887decbefa0a5209d693d30f9b06f624bc7d95
SH256 hash:
9bb37f37a20fafa6d1e4ed90179101523584e65ad1de2e1b1a0b7077b10ec9a2
MD5 hash:
9c93de46389827931d33fda215798785
SHA1 hash:
11234ede6a56a6845f53feacb4b80d2976093937
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
SH256 hash:
6cb9e43cbc57240e54f428cc72550cfdfd16b83389bd7f76a8d1c320d7fbab21
MD5 hash:
9495d04a730108a38aa540d0087ca0ed
SHA1 hash:
a7095c8facc34247826b7747329436ba6861e098
SH256 hash:
064b6b39f3e837efec422d80db4cad83483a0d8dbcac6a99dff56fc874b6f62f
MD5 hash:
82bae9cf37decaf68332b5c7b12d1939
SHA1 hash:
b6fd7fdd77c4496116c5b456a4feed0f443046ab
Detections:
win_remcos_g0 win_remcos_auto
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:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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.

  
Delivery method
Other

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