MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e9e93dcd796a05c47b5d129059ed89d6bae067e6127d239b7ae38278e886528. 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 6 File information Comments
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SHA256 hash: 4e9e93dcd796a05c47b5d129059ed89d6bae067e6127d239b7ae38278e886528
SHA3-384 hash: 9c4783488747fa9f1fae29f0b35ea6c8e67d5d8c491eeb35b35776d7ac1fdebbd8fed8cc7b040eea5a007f6b3a9a00d4
SHA1 hash: 6fd9ee33edba5ec874aa129413200419f848ac6c
MD5 hash: 9dcffa213b8cb683696d06e05bbbde29
humanhash: carpet-steak-bacon-fourteen
File name:5609127.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:62'464 bytes
First seen:2022-08-11 17:33:59 UTC
Last seen:2022-08-12 05:37:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:jX9NKwuDUaQl+kzdC9GiZQWSwi/fUpS/fX/MNA:BQwuis1Jy///f/Me
TLSH T14553D0113BD4A83EEA2D0A326BD1D5476A79A3412D3649217F77644B2CA334E4FFCA1C
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 0c3259796961b24c (12 x RemcosRAT, 11 x Formbook, 6 x AgentTesla)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
432
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5609127.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-11 17:35:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4836913d-2453-447e-a44d-f7ccda3289ab

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/298075/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.13078.8817.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
DNS request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f53d8ee4e65a67c49f5cd8/reports/1172503c-b376-4c65-bdf3-f1f0367a9f11/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c97cbef8-3abc-4165-98e9-a6deae851a77
Result
Threat name:
AsyncRAT, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050130
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 682638 Sample: 5609127.exe Startdate: 11/08/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 7 5609127.exe 16 7 2->7         started        12 Fzhbhvd.exe 14 4 2->12         started        14 Fzhbhvd.exe 3 2->14         started        process3 dnsIp4 47 185.222.57.201, 49733, 49842, 49850 ROOTLAYERNETNL Netherlands 7->47 39 C:\Users\user\AppData\Roaming\...\Fzhbhvd.exe, PE32 7->39 dropped 41 C:\Users\user\...\Fzhbhvd.exe:Zone.Identifier, ASCII 7->41 dropped 43 C:\Users\user\AppData\...\5609127.exe.log, ASCII 7->43 dropped 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 Encrypted powershell cmdline option found 7->61 63 Writes to foreign memory regions 7->63 65 Injects a PE file into a foreign processes 7->65 16 InstallUtil.exe 2 7->16         started        19 powershell.exe 17 7->19         started        49 192.168.2.1 unknown unknown 12->49 67 Antivirus detection for dropped file 12->67 69 Multi AV Scanner detection for dropped file 12->69 71 Machine Learning detection for dropped file 12->71 21 powershell.exe 12->21         started        23 InstallUtil.exe 12->23         started        25 InstallUtil.exe 12->25         started        27 powershell.exe 14->27         started        29 InstallUtil.exe 14->29         started        31 InstallUtil.exe 14->31         started        file5 signatures6 process7 dnsIp8 45 172.111.234.100, 5888 SOFTLAYERUS United States 16->45 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 27->37         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e9e93dcd796a05c47b5d129059ed89d6bae067e6127d239b7ae38278e886528/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-08-11 17:31:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 26 (61.54%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2pjhxgxs2qfyr5v2euqlhwytvv24bt6met5eonxvy4cpduimuua._file
Verdict:
suspicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220811-v5gm3acea2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
172.111.234.100:5888
Unpacked files
SH256 hash:
4e9e93dcd796a05c47b5d129059ed89d6bae067e6127d239b7ae38278e886528
MD5 hash:
9dcffa213b8cb683696d06e05bbbde29
SHA1 hash:
6fd9ee33edba5ec874aa129413200419f848ac6c
Link:
https://www.unpac.me/results/dee3a90c-d474-4056-bebf-7bc8c0410d4a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4e9e93dcd796/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/4e9e93dcd796a05c47b5d129059ed89d6bae067e6127d239b7ae38278e886528

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
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/298075/

Comments