MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d90da0a528ace0836f7d4ce99265bbaf588fa10225bfe497c107a007e233a18. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments 1

SHA256 hash: 8d90da0a528ace0836f7d4ce99265bbaf588fa10225bfe497c107a007e233a18
SHA3-384 hash: 810f736318c52b727ac3a1b6f658403e428008c22524b50fff122c453db25fee6820077a89b2802eafd2f5ffb957cf19
SHA1 hash: 491a69f8a38fdfede6cc91b04907990156c92653
MD5 hash: 496d5897325a2f9995cc864ede8d9726
humanhash: stairway-maryland-happy-jersey
File name:496d5897325a2f9995cc864ede8d9726
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2022-09-14 07:25:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSCn9:uiLJbpI7I2WhQqZ7C9
Threatray 1'879 similar samples on MalwareBazaar
TLSH T17DA4AE02BAD2C072D57151344D2AEB75DABDBC202835997BB3E61D5BFD30180A73A7B2
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 zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
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 fingerprint 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 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:
2022-09-14 07:26:20 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:time frame
Behaviour
Suspicious use of SetWindowsHookEx
Malware Config
C2 Extraction:
flyerenergy.com:8419
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8d90da0a528ace0836f7d4ce99265bbaf588fa10225bfe497c107a007e233a18
MD5 hash:
496d5897325a2f9995cc864ede8d9726
SHA1 hash:
491a69f8a38fdfede6cc91b04907990156c92653
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:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
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 8d90da0a528ace0836f7d4ce99265bbaf588fa10225bfe497c107a007e233a18

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-09-14 07:26:00 UTC

url : hxxp://81.161.229.110/htdocs/jBNSzJtPDCaGcLZ.exe