MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38455251726a64db957d8e30e6c1dc1ca2b10c35691dadbcf3bf8172babe94e3. 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 4 File information Comments

SHA256 hash: 38455251726a64db957d8e30e6c1dc1ca2b10c35691dadbcf3bf8172babe94e3
SHA3-384 hash: c3814ade702850af595f946bf9b8581ed0cc1a6a15f835acd3d681164689cf2119734e9dca1278beed80958dffc3378b
SHA1 hash: 19cfbb08f32b5cfd06a87aabe34c50e0bcfbeffe
MD5 hash: 0627702978f544eed9dd2cb0e876bba7
humanhash: tango-pluto-freddie-social
File name:Payment.Appliction.lnk
Download: download sample
Signature RemcosRAT
File size:3'244 bytes
First seen:2023-04-06 06:23:32 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 48:8c5a7K49ARqcz5cUecHc/SplGsYj1sAT1rKfPROWqQDB8dJ9:8c5KWcuXe0aWGsYZsErKfPROWnDBw
TLSH T163615C1867EA021CF2F26F33AABE26554A7F7849DA35DA8E1085474E01F0904D9A5F37
Reporter lowmal3
Tags:lnk RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
evasive masquerade powershell
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Powershell drops PE file
Snort IDS alert for network traffic
Suspicious powershell command line found
Windows shortcut file (LNK) starts blacklisted processes
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 842320 Sample: Payment.Appliction.lnk Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 36 geoplugin.net 2->36 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 7 other signatures 2->48 10 powershell.exe 17 20 2->10         started        signatures3 process4 dnsIp5 38 179.43.175.187, 49697, 49699, 49700 PLI-ASCH Panama 10->38 40 192.168.2.1 unknown unknown 10->40 13 mshta.exe 1 10->13         started        16 conhost.exe 1 10->16         started        process6 signatures7 56 Windows shortcut file (LNK) starts blacklisted processes 13->56 58 Suspicious powershell command line found 13->58 18 powershell.exe 17 19 13->18         started        process8 file9 32 C:\Users\user\AppData\Roaming\crypto.exe, PE32 18->32 dropped 50 Powershell drops PE file 18->50 22 crypto.exe 2 18->22         started        26 AcroRd32.exe 39 18->26         started        28 conhost.exe 18->28         started        signatures10 process11 file12 34 C:\Users\user\AppData\...\ZmmeLFHxLLqP.exe, PE32 22->34 dropped 52 Multi AV Scanner detection for dropped file 22->52 54 Machine Learning detection for dropped file 22->54 30 RdrCEF.exe 60 26->30         started        signatures13 process14
Threat name:
Shortcut.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-06 02:33:48 UTC
File Type:
Binary
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Blocklisted process makes network request
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
184.75.221.107:42940
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:EXE_in_LNK
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:Long_RelativePath_LNK
Author:@bartblaze
Description:Identifies shortcut (LNK) file with a long relative path. Might be used in an attempt to hide the path.
Rule name:PS_in_LNK
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_PowerShell
Author:SECUINFRA Falcon Team
Description:Detects the reference to powershell inside an lnk file, which is suspicious

File information


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

Malspam

RemcosRAT

Shortcut (lnk) lnk 38455251726a64db957d8e30e6c1dc1ca2b10c35691dadbcf3bf8172babe94e3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments