MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 185afea42a0851b228046a4aaf4b599e59ad346492ddd13680d1cfa9c870571a. 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 2 File information Comments 1

SHA256 hash: 185afea42a0851b228046a4aaf4b599e59ad346492ddd13680d1cfa9c870571a
SHA3-384 hash: 5271a1b068fcf70314c0dd232784407da5d484fa75553aff98c5c044dafe488488007fe59d199140b9f0c512d066a64b
SHA1 hash: eb016bf3e49112a93aabd2d7080818ca867ddc8f
MD5 hash: 6b9a05ab537765244964449898a2efce
humanhash: tango-dakota-aspen-seven
File name:6b9a05ab537765244964449898a2efce
Download: download sample
Signature RemcosRAT
File size:964'096 bytes
First seen:2022-11-02 00:41:52 UTC
Last seen:2022-11-02 03:52:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ljdk+ohUi5dlkHkTIsmOWdk0vLULNcNdIAwr0pNHHU2qS7oN3B4HXQ/KKiV+wDb5:BcLjliOWdeCY7rT2qtGg/KK27pzdT/3
Threatray 2'312 similar samples on MalwareBazaar
TLSH T19E252307EBE457B7D12E63B2CC1821558E3C63267473FB4D2EC7A4BA69E7790109026B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d02f2b3337297b96 (20 x RemcosRAT, 4 x AgentTesla, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6b9a05ab537765244964449898a2efce
Verdict:
Malicious activity
Analysis date:
2022-11-02 00:48:18 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735542 Sample: p05qMtq9vv.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 6 other signatures 2->66 10 p05qMtq9vv.exe 3 2->10         started        14 dos.exe 2 2->14         started        16 dos.exe 2 2->16         started        18 dos.exe 2->18         started        process3 file4 48 C:\Users\user\AppData\...\p05qMtq9vv.exe.log, ASCII 10->48 dropped 70 Injects a PE file into a foreign processes 10->70 20 p05qMtq9vv.exe 5 4 10->20         started        23 dos.exe 14->23         started        25 dos.exe 16->25         started        27 dos.exe 18->27         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\dos.exe, PE32 20->42 dropped 44 C:\Users\user\...\dos.exe:Zone.Identifier, ASCII 20->44 dropped 46 C:\Users\user\AppData\Local\...\install.vbs, data 20->46 dropped 29 wscript.exe 1 20->29         started        process8 process9 31 cmd.exe 1 29->31         started        process10 33 dos.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures11 54 Multi AV Scanner detection for dropped file 33->54 56 Machine Learning detection for dropped file 33->56 58 Injects a PE file into a foreign processes 33->58 38 dos.exe 2 15 33->38         started        process12 dnsIp13 50 mekremcos23.freedynamicdns.net 109.206.243.128, 2397, 49695 AWMLTNL Germany 38->50 52 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 38->52 68 Installs a global keyboard hook 38->68 signatures14
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2022-11-01 12:07:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:mekino-host persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
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:
mekremcos23.freedynamicdns.net:2397
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d612e6196f1e9cb7db16d60a6b1f58542affa6559ecd492aa3317dee275bba1c
MD5 hash:
fdee6b4e360d4a417231a688f00b841d
SHA1 hash:
fd36d2601a888257722c0f1480edf48b4417c444
SH256 hash:
8e563739fbc8d78ebafb6201aecab40f07860a0ba76a3f455a37e8fc39ad027e
MD5 hash:
6ee660937ba1c7278f8f2a6eee272806
SHA1 hash:
7689e174ac0984dff6353296a2612d1f5a6b8819
SH256 hash:
f3d8a7ec1c322c993ae410b0fc0d33fb0bdd8a17f32d9f51dd8bed8a89581145
MD5 hash:
febbc6100f335f64d076e9abeaadfcdc
SHA1 hash:
3bb2a5d91a2d874361d87d34e1356e31f7c17933
Detections:
Remcos win_remcos_auto
SH256 hash:
646227ce502ca74261ff9aca1ff33ce8e6610b37665315b26aa8d3a7ca0562f0
MD5 hash:
09106eeaed495b183eb9e39747db8eaf
SHA1 hash:
257e43f40f8af8a29b2e311fd18f5450ca1cf80d
SH256 hash:
185afea42a0851b228046a4aaf4b599e59ad346492ddd13680d1cfa9c870571a
MD5 hash:
6b9a05ab537765244964449898a2efce
SHA1 hash:
eb016bf3e49112a93aabd2d7080818ca867ddc8f
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe 185afea42a0851b228046a4aaf4b599e59ad346492ddd13680d1cfa9c870571a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-02 00:41:53 UTC

url : hxxp://185.216.71.161/KHW.exe