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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23a2a5f03848c37b276b28922d3f1f0415c188e6bf70a64bef2cc34f96da2de5. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 23a2a5f03848c37b276b28922d3f1f0415c188e6bf70a64bef2cc34f96da2de5
SHA3-384 hash: 434069e0f9268fd5d94b41309d6d59501b78825bf52b1d649e20c73943f713b0144a6075bfafe590ac6b6ecd572c44ec
SHA1 hash: 13bd87faa155e91102ec4e1bf5b7d467e1e37af3
MD5 hash: e50fe53a90b5eedd2b58f7f4dfec6bfa
humanhash: burger-zulu-neptune-snake
File name:Arajanlat kerese - UT10025 - 200 db.pdf(35kb).bat
Download: download sample
Signature RemcosRAT
File size:6'618 bytes
First seen:2025-11-29 00:03:56 UTC
Last seen:2025-11-30 17:51:32 UTC
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 96:ebEQ1sD5+MM8/IUs3qdyLoXBJMwqqxBFEDw6P3lhSFyc6CLFvURwOQUGj/kRa:iEo38/I/3q0LoXB6q9ew6U3c6jua
TLSH T19AD14C823B43E033BC764BE29C0E56812EB645FBC8A3947C529571DB9CB8225B13F526
Magika unknown
Reporter smica83
Tags:bat HUN RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Arajanlat kerese - UT10025 - 200 db.pdf(35kb).bat
Verdict:
No threats detected
Analysis date:
2025-11-29 00:04:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
xtreme shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Using obfuscated Powershell scripts
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 obfuscated powershell
Verdict:
Malicious
File Type:
ps1
First seen:
2025-11-28T08:51:00Z UTC
Last seen:
2025-11-30T21:43:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.BAT.Obfuscated.gen
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Early bird code injection technique detected
Encrypted powershell cmdline option found
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queues an APC in another process (thread injection)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822644 Sample: Arajanlat kerese - UT10025 ... Startdate: 29/11/2025 Architecture: WINDOWS Score: 100 46 supported.ydns.eu 2->46 48 vargakreativ.hu 2->48 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 14 other signatures 2->76 9 powershell.exe 18 2->9         started        12 cmd.exe 1 2->12         started        signatures3 process4 signatures5 78 Early bird code injection technique detected 9->78 80 Writes to foreign memory regions 9->80 82 Found suspicious powershell code related to unpacking or dynamic code loading 9->82 90 3 other signatures 9->90 14 msiexec.exe 6 10 9->14         started        19 msiexec.exe 9->19         started        21 conhost.exe 9->21         started        84 Suspicious powershell command line found 12->84 86 Obfuscated command line found 12->86 88 Encrypted powershell cmdline option found 12->88 23 powershell.exe 14 16 12->23         started        25 conhost.exe 12->25         started        process6 dnsIp7 50 supported.ydns.eu 45.148.18.44, 49723, 49724, 57742 OBE-EUROPEObenetworkEuropeSE Sweden 14->50 40 C:\Users\user\AppData\Local\Temp\THB348.tmp, MS-DOS 14->40 dropped 42 C:\Users\user\AppData\Local\Temp\THB318.tmp, MS-DOS 14->42 dropped 44 C:\Users\user\AppData\Local\Temp\THB2F8.tmp, MS-DOS 14->44 dropped 54 Detected Remcos RAT 14->54 56 Obfuscated command line found 14->56 58 Writes to foreign memory regions 14->58 60 Maps a DLL or memory area into another process 14->60 27 RmClient.exe 1 14->27         started        30 RmClient.exe 1 14->30         started        32 RmClient.exe 14->32         started        34 4 other processes 14->34 62 Found hidden mapped module (file has been removed from disk) 19->62 64 Unusual module load detection (module proxying) 19->64 66 Switches to a custom stack to bypass stack traces 19->66 52 vargakreativ.hu 5.56.37.3, 443, 49718, 49722 GTSCEGTSCentralEuropeAntelGermanyCZ Hungary 23->52 68 Found suspicious powershell code related to unpacking or dynamic code loading 23->68 file8 signatures9 process10 signatures11 92 Tries to steal Instant Messenger accounts or passwords 27->92 94 Tries to steal Mail credentials (via file / registry access) 27->94 96 Tries to harvest and steal browser information (history, passwords, etc) 30->96 98 Tries to steal Mail credentials (via file registry) 32->98 100 Unusual module load detection (module proxying) 32->100 102 Obfuscated command line found 34->102 36 conhost.exe 34->36         started        38 reg.exe 1 1 34->38         started        process12
Threat name:
Script-PowerShell.Trojan.Heuristic
Status:
Malicious
First seen:
2025-11-28 16:28:51 UTC
File Type:
Text
AV detection:
7 of 38 (18.42%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos botnet:supported collection discovery downloader execution persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
supported.ydns.eu:57742
supportedbk.ydns.eu:63652
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments