MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bc364e692d47380f0e7bf27be5f0ec731195552ff3b8951bd5409f18fa803e7. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: 2bc364e692d47380f0e7bf27be5f0ec731195552ff3b8951bd5409f18fa803e7
SHA3-384 hash: b4a966a33b04bb81fc06de3ef5a48075b06a93d9a37985ef0e8c7cfa69c8ca976a5555047048c1a7dccdce704153a5cb
SHA1 hash: cb010e91f18badf3d27d2aab560bf866c6ebea9a
MD5 hash: d03e768f471d9757ddcbd48bdaf26bf2
humanhash: three-oregon-diet-spring
File name:d03e768f471d9757ddcbd48bdaf26bf2
Download: download sample
Signature RemcosRAT
File size:872'464 bytes
First seen:2023-06-28 14:18:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:pStlmSa0+Vn4ad6YBWv7O0BsCtFLazb7erPJCJd0mTS+6gXdltDHQzVjWM/:mlW0+Vnxd6AcaAAshgNQdt
Threatray 1 similar samples on MalwareBazaar
TLSH T10805BE14A59ADCF8F09B7CBD24A2EA1C835B985763B6C72BA38364904D76305F32C4D7
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:d03e768f471d9757ddcbd48bdaf26bf2 exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
d03e768f471d9757ddcbd48bdaf26bf2
Verdict:
Malicious activity
Analysis date:
2023-06-28 14:23:34 UTC
Tags:
remcos

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

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmstp lolbin overlay 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.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Drops PE files with benign system names
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Schedule system process
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 895738 Sample: k5zaahBDhQ.exe Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 9 other signatures 2->70 8 k5zaahBDhQ.exe 1 5 2->8         started        12 svchost.exe 2 2->12         started        14 svchost.exe 2 2->14         started        17 svchost.exe 2 2->17         started        process3 dnsIp4 56 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 8->56 dropped 58 C:\Users\user\AppData\...\k5zaahBDhQ.exe.log, CSV 8->58 dropped 78 Drops PE files with benign system names 8->78 19 cmd.exe 1 8->19         started        21 cmd.exe 1 8->21         started        80 Multi AV Scanner detection for dropped file 12->80 82 Machine Learning detection for dropped file 12->82 84 Writes to foreign memory regions 12->84 24 aspnet_compiler.exe 12->24         started        26 aspnet_regiis.exe 12->26         started        60 192.168.2.1 unknown unknown 14->60 86 Injects a PE file into a foreign processes 14->86 28 csc.exe 14->28         started        30 ngentask.exe 14->30         started        32 CasPol.exe 14->32         started        34 14 other processes 14->34 file5 signatures6 process7 signatures8 36 svchost.exe 3 19->36         started        39 conhost.exe 19->39         started        41 timeout.exe 1 19->41         started        76 Uses schtasks.exe or at.exe to add and modify task schedules 21->76 43 conhost.exe 21->43         started        45 schtasks.exe 1 21->45         started        process9 signatures10 72 Writes to foreign memory regions 36->72 74 Injects a PE file into a foreign processes 36->74 47 AddInProcess32.exe 3 36->47         started        50 ngen.exe 36->50         started        52 Microsoft.Workflow.Compiler.exe 36->52         started        54 11 other processes 36->54 process11 dnsIp12 62 https.myvnc.com 193.181.35.221, 2406, 49699, 49700 TELIANETTeliaCarrierEU Sweden 47->62
Threat name:
ByteCode-MSIL.Trojan.Dotrunpex
Status:
Malicious
First seen:
2023-06-28 14:19:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
https.myvnc.com:2406
Unpacked files
SH256 hash:
2bc364e692d47380f0e7bf27be5f0ec731195552ff3b8951bd5409f18fa803e7
MD5 hash:
d03e768f471d9757ddcbd48bdaf26bf2
SHA1 hash:
cb010e91f18badf3d27d2aab560bf866c6ebea9a
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:BAZT_B5_NOCEXInvalidStream

File information


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

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