MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04ee5a42e652f250c4d6f5d1bed8e94db6662bece84bdad11c329a1e7d272150. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 04ee5a42e652f250c4d6f5d1bed8e94db6662bece84bdad11c329a1e7d272150
SHA3-384 hash: 68ff4cd82c16dbe55daf1caad1400cf5376fc352cede022089a10a46d359133650d0294ade4b5f6091c9b328aaddf476
SHA1 hash: aa2edbfbc84371928846bc5444f043f6eb4b8a6d
MD5 hash: b0459b14c35c125bc878195d34590513
humanhash: two-white-salami-maine
File name:b0459b14c35c125bc878195d34590513.exe
Download: download sample
Signature RemcosRAT
File size:612'352 bytes
First seen:2022-10-26 10:12:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:XOmJDfNNh77DEpfsAIHnqO1P3U4t4p3kklzXn5:5EpfsAknzkW4pPz3
TLSH T1EAD4121BE673C47AC6963B7388CA0B24333263478283DF666A9F27B51643357174678E
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 301070e8e8e47930 (6 x SnakeKeylogger, 5 x AgentTesla, 4 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0459b14c35c125bc878195d34590513.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 10:20:44 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
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Changing a file
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
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 submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 730928 Sample: xIo6mqXGxZ.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 9 other signatures 2->81 11 xIo6mqXGxZ.exe 3 2->11         started        15 Microsoft Intel Audio.exe 2 2->15         started        17 Microsoft Intel Audio.exe 2 2->17         started        process3 file4 65 C:\Users\user\AppData\...\xIo6mqXGxZ.exe.log, CSV 11->65 dropped 91 Injects a PE file into a foreign processes 11->91 19 xIo6mqXGxZ.exe 1 5 11->19         started        93 Drops executables to the windows directory (C:\Windows) and starts them 15->93 23 Microsoft Intel Audio.exe 15->23         started        25 Microsoft Intel Audio.exe 15->25         started        27 Microsoft Intel Audio.exe 17->27         started        29 Microsoft Intel Audio.exe 17->29         started        signatures5 process6 file7 61 C:\Windows\...\Microsoft Intel Audio.exe, PE32 19->61 dropped 63 Microsoft Intel Au...exe:Zone.Identifier, ASCII 19->63 dropped 83 Creates an autostart registry key pointing to binary in C:\Windows 19->83 31 cmd.exe 1 19->31         started        34 cmd.exe 1 19->34         started        signatures8 process9 signatures10 95 Uses ping.exe to sleep 31->95 36 Microsoft Intel Audio.exe 3 31->36         started        39 PING.EXE 1 31->39         started        42 conhost.exe 31->42         started        97 Uses cmd line tools excessively to alter registry or file data 34->97 99 Uses ping.exe to check the status of other devices and networks 34->99 44 reg.exe 1 34->44         started        46 conhost.exe 34->46         started        process11 dnsIp12 85 Injects a PE file into a foreign processes 36->85 48 Microsoft Intel Audio.exe 1 4 36->48         started        69 127.0.0.1 unknown unknown 39->69 87 Disables UAC (registry) 44->87 signatures13 process14 dnsIp15 67 gcrozonav.duckdns.org 91.192.100.12, 4045, 49708 AS-SOFTPLUSCH Switzerland 48->67 71 Detected Remcos RAT 48->71 73 Installs a global keyboard hook 48->73 52 cmd.exe 48->52         started        55 iexplore.exe 48->55         started        signatures16 process17 signatures18 89 Uses cmd line tools excessively to alter registry or file data 52->89 57 conhost.exe 52->57         started        59 reg.exe 1 52->59         started        process19
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-10-26 08:10:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:oct 25th rdp evasion persistence rat trojan
Behaviour
Modifies registry key
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
gcrozonav.duckdns.org:4045
Unpacked files
SH256 hash:
13168dacb359b59d66ebacd4b7e28468804ad35b829c4404bb7bc572c0a0b990
MD5 hash:
b16f7e1de69f9330fc11c48da7810c92
SHA1 hash:
ad079f8f10a7ec9255137288a7e303ac33d42e91
Detections:
win_remcos_auto win_remcos_g0
SH256 hash:
248a7c4997aacb14ca032daf9668636839f921d0a3403f09a3b0ccfdc948cbf1
MD5 hash:
a7952169b04a2c6a39661aad59e79dcf
SHA1 hash:
88722f1a32c913307c0c6385b04478a79fabd12b
SH256 hash:
2c9abd2ec3893d35a2f404ec72233b692eb1ec2df51b23ac5ed8aea5497ed65d
MD5 hash:
4e9ea0457fd9b2dd71f89960df42d7f3
SHA1 hash:
4f9faf16ec7f62a8c8330ef447865be4e286535c
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
SH256 hash:
12b0a45cc401592ecc21ec94531218be4abd5b05ed16722ff2ffe3e24b670b0a
MD5 hash:
720401418e50dbb5a9ceacfbd192c278
SHA1 hash:
2e78e57208154875f9b7da81eac0fb386f6e43a5
SH256 hash:
04ee5a42e652f250c4d6f5d1bed8e94db6662bece84bdad11c329a1e7d272150
MD5 hash:
b0459b14c35c125bc878195d34590513
SHA1 hash:
aa2edbfbc84371928846bc5444f043f6eb4b8a6d
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 04ee5a42e652f250c4d6f5d1bed8e94db6662bece84bdad11c329a1e7d272150

(this sample)

  
Delivery method
Distributed via web download

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