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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d34a31171bb2c40cc7d51b5a9090faee60fc2caee9672c0b287ae3f76e9c3d52. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: d34a31171bb2c40cc7d51b5a9090faee60fc2caee9672c0b287ae3f76e9c3d52
SHA3-384 hash: 94d327ad51b9046c88c6c7395e82917c9b8f35d6fa202ff57c34a70aa220872a37ef79f5357fecb939e6b3b7480d9937
SHA1 hash: 7773a5b7e7780e93cb12b2d12a2baa98b96b1962
MD5 hash: 0b6133d5b36cd98c3391f03ae97633d7
humanhash: thirteen-five-quiet-tennessee
File name:xmawCzphNPzm.exe
Download: download sample
Signature RemcosRAT
File size:492'544 bytes
First seen:2023-06-16 20:04:24 UTC
Last seen:2023-10-20 14:04:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 04d77d421b8e5297898a3fce39d74267 (41 x RemcosRAT)
ssdeep 12288:fRXxReZj3WZfj/2eSseWFaIe2+f8CL47bs/Zf2cDU:fx7cyF2eSsewS8W47eZO
Threatray 2'062 similar samples on MalwareBazaar
TLSH T146A4AF02BAC1C072D57651300D2AF775DAF9BD20183A457BB3DA1D9BFD70190B63AAB2
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'211 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter pmelson
Tags:exe remcos RemcosRAT

Intelligence


File Origin
# of uploads :
11
# of downloads :
546
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
xmawCzphNPzm.exe
Verdict:
Malicious activity
Analysis date:
2023-06-16 20:05:18 UTC
Tags:
rat remcos keylogger

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

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending an HTTP GET request
Creating a file
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
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 evasive exploit explorer.exe fingerprint greyware keylogger lolbin rat shell32.dll
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Deletes itself after installation
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-06-16 20:05:06 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Malware Config
C2 Extraction:
fortuna777.duckdns.org:1998
Unpacked files
SH256 hash:
d34a31171bb2c40cc7d51b5a9090faee60fc2caee9672c0b287ae3f76e9c3d52
MD5 hash:
0b6133d5b36cd98c3391f03ae97633d7
SHA1 hash:
7773a5b7e7780e93cb12b2d12a2baa98b96b1962
Detections:
Remcos 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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
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 d34a31171bb2c40cc7d51b5a9090faee60fc2caee9672c0b287ae3f76e9c3d52

(this sample)

Comments