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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401
SHA3-384 hash: 5230864239127740d80c65a017eaf2fc28058e57b869013d38b90b267c36d2de25c573de71e8b56875873d21c411dc3c
SHA1 hash: af6b2527a004543059bc5f1a1a3e5b52b29d7367
MD5 hash: e4375d55caf5b5a9866b40eaa0eac622
humanhash: colorado-virginia-six-five
File name:6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:4'157'440 bytes
First seen:2024-09-28 05:41:31 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:Op8or/QxzNWNEBIBDMPbZdZBttLBxeWMlhCXcZLCujaOwPlbuVjr:ZmQJAN4IZIF1tttx2gXcZdaOkl4/
Threatray 5 similar samples on MalwareBazaar
TLSH T1211633A07AD88637D3AE16368A7BEB2413163E751320D4CF79407DAC5AB06D3DE36346
TrID 98.2% (.MSI) Microsoft Windows Installer (454500/1/170)
1.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter JAMESWT_WT
Tags:37-120-137-198 msi remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f7973379032805ce8eba7d
Tags:
Encryption Execution Network Stealth Shellcode Tori Sage
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1521321
Signature
AI detected suspicious sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1521321 Sample: VDY5w186Zl.msi Startdate: 28/09/2024 Architecture: WINDOWS Score: 100 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for dropped file 2->92 94 6 other signatures 2->94 11 msiexec.exe 10 17 2->11         started        14 DPMHelper.exe 1 2->14         started        17 msiexec.exe 3 2->17         started        process3 file4 68 C:\Windows\Installer\MSICA23.tmp, PE32 11->68 dropped 70 C:\Windows\Installer\MSI9FCB.tmp, PE32 11->70 dropped 19 msiexec.exe 5 11->19         started        130 Maps a DLL or memory area into another process 14->130 132 Found direct / indirect Syscall (likely to bypass EDR) 14->132 21 cmd.exe 14->21         started        signatures5 process6 file7 25 cmd.exe 19->25         started        28 expand.exe 13 19->28         started        31 icacls.exe 19->31         started        33 icacls.exe 19->33         started        58 C:\Users\user\AppData\Local\Temp\gbynbu, PE32 21->58 dropped 108 Injects code into the Windows Explorer (explorer.exe) 21->108 110 Writes to foreign memory regions 21->110 112 Found direct / indirect Syscall (likely to bypass EDR) 21->112 35 explorer.exe 21->35         started        signatures8 process9 file10 118 Found hidden mapped module (file has been removed from disk) 25->118 120 Switches to a custom stack to bypass stack traces 25->120 37 DPMHelper.exe 9 25->37         started        41 cmd.exe 25->41         started        72 C:\Users\user\AppData\...\vclx120.bpl (copy), PE32 28->72 dropped 74 C:\Users\user\AppData\...\vcl120.bpl (copy), PE32 28->74 dropped 76 C:\Users\user\AppData\...\rtl120.bpl (copy), PE32 28->76 dropped 78 13 other malicious files 28->78 dropped 122 Found direct / indirect Syscall (likely to bypass EDR) 35->122 signatures11 process12 file13 60 C:\Users\user\AppData\Local\...\vclx120.bpl, PE32 37->60 dropped 62 C:\Users\user\AppData\Local\...\vcl120.bpl, PE32 37->62 dropped 64 C:\Users\user\AppData\Local\...\rtl120.bpl, PE32 37->64 dropped 66 4 other malicious files 37->66 dropped 114 Switches to a custom stack to bypass stack traces 37->114 116 Found direct / indirect Syscall (likely to bypass EDR) 37->116 43 DPMHelper.exe 1 37->43         started        46 xcopy.exe 10 41->46         started        signatures14 process15 file16 124 Maps a DLL or memory area into another process 43->124 126 Switches to a custom stack to bypass stack traces 43->126 128 Found direct / indirect Syscall (likely to bypass EDR) 43->128 49 cmd.exe 3 43->49         started        80 C:\Users\user\AppData\Roaming\...\vclx120.bpl, PE32 46->80 dropped 82 C:\Users\user\AppData\Roaming\...\vcl120.bpl, PE32 46->82 dropped 84 C:\Users\user\AppData\Roaming\...\rtl120.bpl, PE32 46->84 dropped 86 5 other malicious files 46->86 dropped signatures17 process18 file19 56 C:\Users\user\AppData\Local\...\bwqyamfqvfl, PE32 49->56 dropped 96 Injects code into the Windows Explorer (explorer.exe) 49->96 98 Writes to foreign memory regions 49->98 100 Maps a DLL or memory area into another process 49->100 102 Found direct / indirect Syscall (likely to bypass EDR) 49->102 53 explorer.exe 49->53         started        signatures20 process21 signatures22 104 Switches to a custom stack to bypass stack traces 53->104 106 Found direct / indirect Syscall (likely to bypass EDR) 53->106
Score:
7%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-09-26 12:31:45 UTC
File Type:
Binary (Archive)
Extracted files:
297
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=njsucxudzv4q3cu3lvguxcoc6gpmmversop4vezmcvx2ceouoqaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0984e42839cc75fe48ca906427500500697573111e8d773273e9834f1d545b12
RemcosRAT
6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401
RemcosRAT
d30e71d321786a1cda09b0c75d408a8541b6167b6753de08f46504d90d2af129
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:backup_pip discovery persistence privilege_escalation rat
Link:
https://tria.ge/reports/240928-gd11qszclj/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Suspicious use of SetThreadContext
Enumerates connected drives
Modifies file permissions
Remcos
Malware Config
C2 Extraction:
heavytank21gh.com:4422
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1bc82c7f-d61d-4396-b6de-bd22331c18f4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6a65415e83cd790d8a9b5d4d4b89c2f19ec65491939fca932c156fa111d47401

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Comments