MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae86ff848167aff1ce842e1c0e77bea0a84dfcb0ec4f115086c99225775c80c4. 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 5 File information Comments

SHA256 hash: ae86ff848167aff1ce842e1c0e77bea0a84dfcb0ec4f115086c99225775c80c4
SHA3-384 hash: f06ffc13cd2187793b9585ca4bf2d83c80c4edb225d626119c4683e010d49bb4ca6fd5d4a2a6a4b2a30d722870fff3b7
SHA1 hash: c82ab23d3d78b612bca7e9ed49acb3c8d27c20e5
MD5 hash: c06845821fb23077a59478192e5d0d29
humanhash: venus-carbon-football-nebraska
File name:file
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2022-11-03 21:39:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS/n9:uiLJbpI7I2WhQqZ7/9
Threatray 2'150 similar samples on MalwareBazaar
TLSH T1EAA4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
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 jstrosch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-03 21:43:46 UTC
Tags:
keylogger rat 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
Creating a file
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
DNS request
Sending a custom TCP request
Forced system process termination
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
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
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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
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
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 737542 Sample: file.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for dropped file 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 5 other signatures 2->50 9 file.exe 5 5 2->9         started        13 rmcs.exe 2->13         started        15 rmcs.exe 2->15         started        17 rmcs.exe 2->17         started        process3 file4 34 C:\ProgramData\rmcs\rmcs.exe, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\...\install.vbs, data 9->36 dropped 38 C:\ProgramData\...\rmcs.exe:Zone.Identifier, ASCII 9->38 dropped 60 Contains functionalty to change the wallpaper 9->60 62 Contains functionality to steal Chrome passwords or cookies 9->62 64 Contains functionality to steal Firefox passwords or cookies 9->64 66 Delayed program exit found 9->66 19 wscript.exe 1 9->19         started        signatures5 process6 process7 21 cmd.exe 1 19->21         started        process8 23 rmcs.exe 3 2 21->23         started        27 conhost.exe 21->27         started        dnsIp9 40 googlepics.gotdns.ch 202.185.21.111, 35981, 49700, 49703 TTNET-MYTIMEdotComBerhadMY Malaysia 23->40 42 192.168.2.1 unknown unknown 23->42 52 Antivirus detection for dropped file 23->52 54 Machine Learning detection for dropped file 23->54 56 Writes to foreign memory regions 23->56 58 Maps a DLL or memory area into another process 23->58 29 svchost.exe 23->29         started        32 conhost.exe 23->32         started        signatures10 process11 signatures12 68 Found evasive API chain (may stop execution after checking mutex) 29->68 70 Contains functionalty to change the wallpaper 29->70 72 Contains functionality to steal Chrome passwords or cookies 29->72 74 2 other signatures 29->74
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2022-11-03 21:53:02 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:54870 persistence rat
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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:
googlepics.gotdns.ch:35981
googlepics.gotdns.ch:54870
Unpacked files
SH256 hash:
ae86ff848167aff1ce842e1c0e77bea0a84dfcb0ec4f115086c99225775c80c4
MD5 hash:
c06845821fb23077a59478192e5d0d29
SHA1 hash:
c82ab23d3d78b612bca7e9ed49acb3c8d27c20e5
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: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: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 ae86ff848167aff1ce842e1c0e77bea0a84dfcb0ec4f115086c99225775c80c4

(this sample)

  
Delivery method
Distributed via web download

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