MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9. 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 4 File information Comments 1

SHA256 hash: 8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
SHA3-384 hash: b98f6b2896d29e4e684fecf2e1a6474b7b692abde9cd8a219a5c9134348ad115d907be0197cc392079c9a24b40160ed5
SHA1 hash: 51f224d3599cbc8fa21ed3314a7ff74963ce17f0
MD5 hash: 6152f0dd89b3fa358eb73f806ef6b462
humanhash: fanta-white-hamper-johnny
File name:6152f0dd89b3fa358eb73f806ef6b462
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2022-09-11 07:41:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSun9:uiLJbpI7I2WhQqZ7u9
Threatray 1'843 similar samples on MalwareBazaar
TLSH T183A4AE02BAD2C072D57161344D2AE735DABDBD202835997BB3E61D5BFD30180A73A7B2
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 :
363
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6152f0dd89b3fa358eb73f806ef6b462
Verdict:
Malicious activity
Analysis date:
2022-09-11 07:42:30 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found evasive API chain (may stop execution after checking mutex)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700927 Sample: fleGNGVAt5.exe Startdate: 11/09/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 3 other signatures 2->44 9 fleGNGVAt5.exe 4 4 2->9         started        13 asde.exe 2->13         started        15 asde.exe 2->15         started        process3 file4 30 C:\Users\user\AppData\Roaming\asde.exe, PE32 9->30 dropped 32 C:\Users\user\...\asde.exe:Zone.Identifier, ASCII 9->32 dropped 34 C:\Users\user\AppData\Local\...\install.vbs, data 9->34 dropped 54 Contains functionality to steal Chrome passwords or cookies 9->54 56 Contains functionality to steal Firefox passwords or cookies 9->56 58 Delayed program exit found 9->58 17 wscript.exe 1 9->17         started        signatures5 process6 process7 19 cmd.exe 1 17->19         started        process8 21 asde.exe 3 19->21         started        25 conhost.exe 19->25         started        dnsIp9 36 51.210.137.26, 2404, 49716, 49717 OVHFR France 21->36 46 Antivirus detection for dropped file 21->46 48 Machine Learning detection for dropped file 21->48 50 Writes to foreign memory regions 21->50 52 Maps a DLL or memory area into another process 21->52 27 svchost.exe 21->27         started        signatures10 process11 signatures12 60 Found evasive API chain (may stop execution after checking mutex) 27->60 62 Contains functionality to steal Chrome passwords or cookies 27->62 64 Contains functionality to steal Firefox passwords or cookies 27->64 66 Delayed program exit found 27->66
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-09-11 07:42:13 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
20 of 22 (90.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:7eyes persistence rat
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
51.210.137.26:2404
Unpacked files
SH256 hash:
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
MD5 hash:
6152f0dd89b3fa358eb73f806ef6b462
SHA1 hash:
51f224d3599cbc8fa21ed3314a7ff74963ce17f0
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_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 8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-09-11 07:42:02 UTC

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