MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca8e5d3a010ed36cba1078f577a636bc288e382e57feac71c48612a2fddef489. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: ca8e5d3a010ed36cba1078f577a636bc288e382e57feac71c48612a2fddef489
SHA3-384 hash: f128f6cbf46069227f23637d5a7e992aeb6b9ad4b12c6d1e12b8d610a7c096dc5ea895c8881367f2d51fb5d0039e2abf
SHA1 hash: 6f87c43412332411289c178844c42df5c6745e88
MD5 hash: eb9e57a30fb5990f7ef0ff1636507ed4
humanhash: moon-london-shade-paris
File name:xrk0wJRUKcsc.exe
Download: download sample
Signature RemcosRAT
File size:473'088 bytes
First seen:2022-08-10 19:49:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 029a987f21e33b48f24d21b6f9ff1129 (78 x RemcosRAT, 1 x Worm.Ramnit)
ssdeep 12288:woCqKde3G314caiojGRoaOd+2sfZsxVg:VAdIG314cFo4Od+NZIS
Threatray 1'567 similar samples on MalwareBazaar
TLSH T119A4AF11BAD2C072D97251340D29FB35DEB8BD2029354A7BB3D61D5BFE30180A72A6B7
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter pmelson
Tags:exe remcos RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
xrk0wJRUKcsc.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 19:55:25 UTC
Tags:
remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe greyware keylogger rat shell32.dll
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-08-10 19:50:09 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 25 (96.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:lola13
Behaviour
Suspicious use of SetWindowsHookEx
Malware Config
C2 Extraction:
avastupdate.con-ip.com:2100
Unpacked files
SH256 hash:
ca8e5d3a010ed36cba1078f577a636bc288e382e57feac71c48612a2fddef489
MD5 hash:
eb9e57a30fb5990f7ef0ff1636507ed4
SHA1 hash:
6f87c43412332411289c178844c42df5c6745e88
Detections:
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
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:Detects win.remcos.

File information


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

Web download

RemcosRAT

Executable exe ca8e5d3a010ed36cba1078f577a636bc288e382e57feac71c48612a2fddef489

(this sample)

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