MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f
SHA3-384 hash: e5561cae439e3790cf6b511d4ff6276b1b62dc8a14664ec15afed279775ec8ad301a2dc62770fde372f4cccc9e655840
SHA1 hash: a2affc5d7b5211f97142c0def7ad9c430119e0b2
MD5 hash: 63b4ae48bfc52db08f3ad1008acff185
humanhash: fish-fruit-low-fourteen
File name:ThePredictor7.3.8 Launcher.tmp
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'704 bytes
First seen:2025-02-18 14:31:36 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 24:8LJl3oW+LVlvXS0A3cx+/4tSDJZ7/64I0WR8yvJEu/T+NXZk8bTRkot3Qma5:8X3+Vl83oSdZjlIPhz+NXZP/RLVQX
TLSH T19031AC0252E50751D3F64EBA48BA73819A63B412FD32871E455C53894BA3E01DD36F2B
Magika lnk
Reporter aachum
Tags:HIjackLoader lnk RemcosRAT


Avatar
iamaachum
https://app.box.com/s/qulsz9aubfz07k4rz85i7ld4jz6nr4i0

Remcos C2: 185.157.162.126:1995

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27118.LnkHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30517.LnkHeur.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.LNKLoseYou.20211021.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.PKILLBrapBrapRay.20220505.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b49b1b28ab76d43a5ba266
Tags:
n/a
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd evasive lolbin masquerade msiexec
Link:
https://www.filescan.io/uploads/67b499e7991985e0a95b3d7c/reports/41ada539-bf73-48b7-a2e2-952a20cc42ce/overview
Verdict:
Malicious
Labled as:
Trojan[Downloader]/LNK.Agent
Link:
https://www.hybrid-analysis.com/sample/420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f
Result
Verdict:
UNKNOWN
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1618053
Signature
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
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
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: msiexec download and execute
Switches to a custom stack to bypass stack traces
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1618053 Sample: ThePredictor7.3.8 Launcher.... Startdate: 18/02/2025 Architecture: WINDOWS Score: 100 76 185.157.162.126 OBE-EUROPEObenetworkEuropeSE Sweden 2->76 78 raw.githubusercontent.com 2->78 80 github.com 2->80 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus detection for dropped file 2->90 92 11 other signatures 2->92 9 msiexec.exe 90 41 2->9         started        13 EHttpSrv.exe 1 2->13         started        16 EHttpSrv.exe 1 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 82 github.com 140.82.121.3, 443, 49703 GITHUBUS United States 9->82 84 raw.githubusercontent.com 185.199.109.133, 443, 49706 FASTLYUS Netherlands 9->84 68 C:\Users\user\AppData\Roaming\...\msvcr80.dll, PE32 9->68 dropped 70 C:\Users\user\AppData\Roaming\...\mfc80u.dll, PE32 9->70 dropped 72 C:\Users\user\AppData\...\http_dll.dll, PE32 9->72 dropped 74 C:\Users\user\AppData\...HttpSrv.exe, PE32 9->74 dropped 20 EHttpSrv.exe 1 9->20         started        112 Windows shortcut file (LNK) starts blacklisted processes 13->112 114 Maps a DLL or memory area into another process 13->114 23 cmd.exe 2 13->23         started        26 cmd.exe 2 16->26         started        28 cmd.exe 2 18->28         started        30 cmd.exe 1 18->30         started        32 cmd.exe 1 18->32         started        34 3 other processes 18->34 file6 signatures7 process8 file9 94 Windows shortcut file (LNK) starts blacklisted processes 20->94 96 Maps a DLL or memory area into another process 20->96 98 Switches to a custom stack to bypass stack traces 20->98 36 cmd.exe 4 20->36         started        62 C:\Users\user\AppData\Local\...\nviqhbytdtthf, PE32 23->62 dropped 100 Writes to foreign memory regions 23->100 40 EHttpSrv.exe 23->40         started        42 conhost.exe 23->42         started        64 C:\Users\user\AppData\Local\Temp\bqyibk, PE32 26->64 dropped 54 2 other processes 26->54 66 C:\Users\user\AppData\Local\Temp\daypgnxpdg, PE32 28->66 dropped 44 EHttpSrv.exe 28->44         started        46 conhost.exe 28->46         started        48 conhost.exe 30->48         started        50 conhost.exe 32->50         started        52 conhost.exe 34->52         started        signatures10 process11 file12 60 C:\Users\user\AppData\Local\Temp\wxqwjdon, PE32 36->60 dropped 102 Writes to foreign memory regions 36->102 104 Found hidden mapped module (file has been removed from disk) 36->104 106 Maps a DLL or memory area into another process 36->106 108 Switches to a custom stack to bypass stack traces 36->108 56 EHttpSrv.exe 36->56         started        58 conhost.exe 36->58         started        110 Found direct / indirect Syscall (likely to bypass EDR) 40->110 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f/
Threat name:
Win32.Trojan.WinLnk
Create hunting rule
Status:
Malicious
First seen:
2025-02-18 14:32:11 UTC
File Type:
Binary
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iifbpe4aswstu6a36d2ivc5dstawvf2ka5tzj7dfzn4mbke2ky7q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader family:remcos botnet:v2 discovery loader persistence rat
Link:
https://tria.ge/reports/250218-rwdy2a1ran/
Behaviour
Modifies registry class
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Blocklisted process makes network request
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Use of msiexec (install) with remote resource
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Hijackloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
185.157.162.126:1995
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/420a17938095/report/overview.html
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/420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f

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:Download_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:Execution_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies execution artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:LNK_sospechosos
Create hunting rule
Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos
Rule name:SUSP_LNK_CMD
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference to cmd.exe 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.

Web download

RemcosRAT

Shortcut (lnk) lnk 420a17938095a53a781bf0f48a8ba394c16a974a076794fc65cb78c0a89a563f

(this sample)

RemcosRAT

Microsoft Software Installer (MSI) msi f286d2b89eaebb2e1e6e23a44bc92dae7c058348286810549f4c7514c9ea61ad

  
Dropping
SHA256 f286d2b89eaebb2e1e6e23a44bc92dae7c058348286810549f4c7514c9ea61ad
  
Delivery method
Distributed via web download

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