MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5299898c3485668b40f1201f7f44ca349cedd689f0e5d12062b2544b7e6fdcbc. 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

SHA256 hash: 5299898c3485668b40f1201f7f44ca349cedd689f0e5d12062b2544b7e6fdcbc
SHA3-384 hash: 0ddb8dcd1f6d1d122b5e32981cd90d3bf855f55457d6dda4604aae634f8b7290dab515fb487ec82e7cbf9e3c883e20ab
SHA1 hash: a278e7d2459bec130e081b036c31385015a070eb
MD5 hash: 8759bbf1a8004689319b40fa5142b469
humanhash: montana-football-skylark-sad
File name:HDCOED 345.exe
Download: download sample
Signature RemcosRAT
File size:971'776 bytes
First seen:2022-09-06 15:35:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:7TgJIkeiazog9E91gxyA1nSesQ2hABwJF5xVGz0qiPnRV1AsUY95KMJTtRIuaNA3:7TcIkeNh9I1gfSBQ2KgXPRXXU+fP4og
Threatray 2'250 similar samples on MalwareBazaar
TLSH T1DA250182DA848654EC6D5F3411736C65536B7EAABCB8E18D9E0D70B52BB77C30072C8B
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 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HDCOED 345.exe
Verdict:
Malicious activity
Analysis date:
2022-09-06 15:36:31 UTC
Tags:
n/a

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

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed remcos
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 698328 Sample: HDCOED 345.exe Startdate: 06/09/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 12 other signatures 2->39 7 HDCOED 345.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\rusNoHWZy.exe, PE32 7->23 dropped 25 C:\Users\...\rusNoHWZy.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\Temp\tmp26C.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\...\HDCOED 345.exe.log, ASCII 7->29 dropped 41 Adds a directory exclusion to Windows Defender 7->41 11 HDCOED 345.exe 2 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 23.105.131.186, 1967, 49753, 49754 LEASEWEB-USA-NYC-11US United States 11->31 43 Installs a global keyboard hook 11->43 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-08-29 07:47:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
27 of 41 (65.85%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:champo rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
23.105.131.186:1967
Unpacked files
SH256 hash:
82727986a6ef0f4e24e9fa4e551821757c2993bd0d1b76972eb20cadd477b9f3
MD5 hash:
0aba13dd9b2aa28998eead4fb94f24fe
SHA1 hash:
cc6288ee3c15189d367cdac4362e81265d1bc773
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
5e8e98115a8684e090bcfc2cc199bb02cab20e5a0856782d3af117accd1d0f75
MD5 hash:
82727cd008c8dc10407eb36c3bfb8524
SHA1 hash:
9a32ff2e313a600d4c3357c98daf133cd628a914
Detections:
win_remcos_auto
SH256 hash:
3bea1139f015131d4be8b26e67ae4f002293e86f1a5c6f95d3fbf3ce4aea38ec
MD5 hash:
51cec4270d8cb24162850397acb95efb
SHA1 hash:
533f311b937d3d276c36ce6e2c098b48e44079b8
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
5299898c3485668b40f1201f7f44ca349cedd689f0e5d12062b2544b7e6fdcbc
MD5 hash:
8759bbf1a8004689319b40fa5142b469
SHA1 hash:
a278e7d2459bec130e081b036c31385015a070eb
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:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

RemcosRAT

Executable exe 5299898c3485668b40f1201f7f44ca349cedd689f0e5d12062b2544b7e6fdcbc

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment

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