MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66
SHA3-384 hash: cf62af8a542d564e1893fddcb83bc23749bb67e6d4e8c7effecc6783b8c826aa1d458446e69705b64e3d302b535e46dd
SHA1 hash: 6f04b00bdb256b616ac1edadf637378fccb36670
MD5 hash: eb89816844f308ccfae4bbe2a72d527d
humanhash: oregon-moon-gee-saturn
File name:image001.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:141'824 bytes
First seen:2022-09-27 21:30:37 UTC
Last seen:2022-10-05 04:53:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:m1TBs5bEg6AAAITTE4R2GZzuj7Fnkob8x4zJLr:UBs5bEg6/T44R2GZzuj7Fkob8x
Threatray 924 similar samples on MalwareBazaar
TLSH T1EAD39D11A58A2492C9043678315C7BA822256FD3DAF389DC186DB28BDDD9F03173B5FE
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d490531064c80d2d (3 x RemcosRAT, 2 x AgentTesla, 2 x Loki)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
328
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
image001.exe
Verdict:
Suspicious activity
Analysis date:
2022-09-28 12:26:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/040493e6-fe16-4d41-a266-4adc201ec22d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314134/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.29347.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/63336b9749c58ce767c3dce8/reports/a8ece9c3-e409-41ee-b546-d594e1be20f9/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5e54d0a8-a0fd-4994-bc9b-7b141a3bb053
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1078660
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 711210 Sample: image001.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Remcos RAT 2->47 49 5 other signatures 2->49 7 Kvryolsk.exe 14 3 2->7         started        11 image001.exe 16 7 2->11         started        14 Kvryolsk.exe 3 2->14         started        process3 dnsIp4 51 Multi AV Scanner detection for dropped file 7->51 53 Machine Learning detection for dropped file 7->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->57 16 powershell.exe 7->16         started        41 ipfs.io 209.94.90.1, 443, 49683, 49715 PROTOCOLUS United States 11->41 31 C:\Users\user\AppData\...\Kvryolsk.exe, PE32 11->31 dropped 33 C:\Users\...\Kvryolsk.exe:Zone.Identifier, ASCII 11->33 dropped 35 C:\Users\user\AppData\...\image001.exe.log, ASCII 11->35 dropped 59 Encrypted powershell cmdline option found 11->59 18 image001.exe 2 14 11->18         started        21 powershell.exe 16 11->21         started        23 powershell.exe 14->23         started        file5 signatures6 process7 dnsIp8 25 conhost.exe 16->25         started        37 185.252.178.35, 41900, 49713 LVLT-10753US Germany 18->37 39 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 18->39 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 19:13:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
26 of 41 (63.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nwerukmf4ooywdfxecze7ew6xebxb5pclt2blc25ejeaer22rzta._file
Verdict:
malicious
Similar samples:
070fabea4042e858bc95a0e9d34ed2ecfd1ce74fdc20975d4089249e198f69f9
RemcosRAT
0e3e160ddaa8d68817083c0af379a529fe607c414bb9a9befed895ad7f9d3b38
RemcosRAT
6d62cebf308b5ab873d98e0447c68f936bc34addeb924eb8ef972072ca13d4bf
RemcosRAT
7efc5412627522e01e6be72ff0d8528c7cb140cf741e61458d50b653242e2b76
RemcosRAT
8fcafbce9965e41f0788634133b69cd42bebc118aa2a5b8da11842b1e088ebb2
RemcosRAT
94c64f12afd02a13f709021efe6a3676f92ee6ea68ea91b67e476ba603c0b79b
RemcosRAT
9ed63d5d2012e6db4c9f48b3c8b97b8645f0efc7f98f6a07c42feb9688c5b838
RemcosRAT
ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
RemcosRAT
ba7668b41ac8a2295eaa9a02952ff8b5947782b77645f53e06fbb3bb33c110df
RemcosRAT
+ 914 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:starmoneynew persistence rat
Link:
https://tria.ge/reports/220927-1c2enaefc3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
185.252.178.35:41900
Gathering data
Unpacked files
SH256 hash:
6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66
MD5 hash:
eb89816844f308ccfae4bbe2a72d527d
SHA1 hash:
6f04b00bdb256b616ac1edadf637378fccb36670
Link:
https://www.unpac.me/results/7d488497-15af-4ef5-a64a-16c7d08b8253/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/314134/

Comments