MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5676b7a9cb31786a924b94b9dd8f92db7bf7beb4fe0267b077e9240c531d3af7. 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 6 File information Comments

SHA256 hash: 5676b7a9cb31786a924b94b9dd8f92db7bf7beb4fe0267b077e9240c531d3af7
SHA3-384 hash: ade486b60510fa5e231fc4def93fa61df6b830a0de132980a18879e58ced50db66a363baa017e0ca4eb1d507fa5be7b9
SHA1 hash: 815c85347a0b400d89f6991e5771fa3b6c828f53
MD5 hash: f5d1bb9e0efcb13c9c3d60916e671b13
humanhash: summer-violet-pasta-double
File name:5676b7a9cb31786a924b94b9dd8f92db7bf7beb4fe0267b077e9240c531d3af7
Download: download sample
Signature RemcosRAT
File size:490'496 bytes
First seen:2023-06-07 09:27:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f3d4ba55ce3e8f736704310c56bf5aa (12 x RemcosRAT)
ssdeep 12288:U1EZT90uNQzYgScBvnn/XpTs/Zii0OhX:ucTiuazYgr/XpWZ/0K
TLSH T198A4BF01B9C1C072D57261300D2AF775DAB9BD212926497BB3DA1D9BFE30190B63A7B3
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 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
265
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
5676b7a9cb31786a924b94b9dd8f92db7bf7beb4fe0267b077e9240c531d3af7
Verdict:
Malicious activity
Analysis date:
2023-06-07 09:31:39 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
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe evasive exploit explorer.exe fingerprint greyware keylogger lolbin 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:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-06-07 09:28:06 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost
Malware Config
C2 Extraction:
89.37.99.49:5888
Unpacked files
SH256 hash:
5676b7a9cb31786a924b94b9dd8f92db7bf7beb4fe0267b077e9240c531d3af7
MD5 hash:
f5d1bb9e0efcb13c9c3d60916e671b13
SHA1 hash:
815c85347a0b400d89f6991e5771fa3b6c828f53
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.

Malspam

RemcosRAT

Executable exe 5676b7a9cb31786a924b94b9dd8f92db7bf7beb4fe0267b077e9240c531d3af7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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