MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
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SHA256 hash: e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37
SHA3-384 hash: 63aa62ec610b2769ee82e356a520bac76aba1c39c52c4934816dcd159511779c0db8a6eb7cd7531678493e3f66ee2ae9
SHA1 hash: c9b0cb497058b925ecb430d0e29d16fd0ca273a4
MD5 hash: da2c2debc2177026f359f4f06db67ea2
humanhash: iowa-hotel-jersey-fruit
File name:Slf.msi
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'170'816 bytes
First seen:2024-11-17 09:55:15 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:Ch4L8r6F5mCmR+XuhqZL+H9IyKficUAG595WpZsNAaudSIu:Fo6NZLSIX6cZGZWUNAaud
TLSH T1B5E5F016B3C3C522D55D027BF459FE0E5438EEA3473051E7BAF9395F88B08C1A2B9A52
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter aachum
Tags:msi RemcosRAT


Avatar
iamaachum
https://gersgaming.s3.us-east-2.amazonaws.com/Slf.msi

Remcos C2: 185.157.162.126:1995

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Penguish-10015880-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6739bf676bc7caf979b33392
Tags:
shellcode dropper virus
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd evasive fingerprint lolbin remote wix
Link:
https://www.filescan.io/uploads/6739bdb3990b86b66c39fcf2/reports/cba14d7c-3e68-4d66-b04c-aef59a9ac8f2/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1557095
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
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
Multi AV Scanner detection for submitted 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 dnsIp2 2 Behavior Graph ID: 1557095 Sample: Slf.msi Startdate: 17/11/2024 Architecture: WINDOWS Score: 100 56 185.157.162.126 OBE-EUROPEObenetworkEuropeSE Sweden 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for dropped file 2->62 64 7 other signatures 2->64 9 msiexec.exe 22 48 2->9         started        12 EHttpSrv.exe 1 2->12         started        15 EHttpSrv.exe 1 2->15         started        17 msiexec.exe 3 2->17         started        signatures3 process4 file5 46 C:\Windows\Installer\MSI36D.tmp, PE32 9->46 dropped 48 C:\Windows\Installer\MSI281.tmp, PE32 9->48 dropped 50 C:\Windows\Installer\MSI213.tmp, PE32 9->50 dropped 52 5 other files (3 malicious) 9->52 dropped 19 EHttpSrv.exe 1 9->19         started        22 msiexec.exe 9->22         started        74 Maps a DLL or memory area into another process 12->74 24 cmd.exe 2 12->24         started        27 cmd.exe 1 15->27         started        signatures6 process7 file8 66 Maps a DLL or memory area into another process 19->66 68 Switches to a custom stack to bypass stack traces 19->68 29 cmd.exe 4 19->29         started        44 C:\Users\user\AppData\Local\Temp\bkbwisliy, PE32 24->44 dropped 70 Writes to foreign memory regions 24->70 33 EHttpSrv.exe 24->33         started        35 conhost.exe 24->35         started        37 conhost.exe 27->37         started        signatures9 process10 file11 54 C:\Users\user\AppData\Local\...\cntwsmxdiyvbn, PE32 29->54 dropped 76 Writes to foreign memory regions 29->76 78 Found hidden mapped module (file has been removed from disk) 29->78 80 Maps a DLL or memory area into another process 29->80 82 Switches to a custom stack to bypass stack traces 29->82 39 EHttpSrv.exe 29->39         started        42 conhost.exe 29->42         started        84 Found direct / indirect Syscall (likely to bypass EDR) 33->84 signatures12 process13 signatures14 72 Found direct / indirect Syscall (likely to bypass EDR) 39->72
Score:
11%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37/
Threat name:
Win32.Trojan.HijackLoader
Create hunting rule
Status:
Malicious
First seen:
2024-11-08 12:43:44 UTC
File Type:
Binary (Archive)
Extracted files:
298
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sb4uo6hrze7btxpgqdovfrrah7b2kyiws5m42kfvsjjqirlrq3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader family:remcos botnet:v2 discovery loader persistence privilege_escalation rat
Link:
https://tria.ge/reports/241117-lycwvsxenm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
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
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Hijackloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
185.157.162.126:1995
Verdict:
Malicious
Tags:
Win.Trojan.Penguish-10015880-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1b73775e-e748-483c-9d4a-26af4d785e37
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e483ca3bc78e/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/e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37

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
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_LATAM_MSI_Banker
Create hunting rule
Rule name:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information

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

Web download

RemcosRAT

Microsoft Software Installer (MSI) msi f5dfa6b5d19d9334c69d24dd98f13cb30badacb6403b03afc47af4e267cbe0c2

RemcosRAT

Microsoft Software Installer (MSI) msi e483ca3bc78e49f0ceef3406ea963101fe1d2b08b4bace6945ac9298222b8c37

(this sample)

  
Link
https://tria.ge/241117-lveahsxdrk/
  
Dropped by
SHA256 f5dfa6b5d19d9334c69d24dd98f13cb30badacb6403b03afc47af4e267cbe0c2
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3293894/
  
Dropped by
MD5 c628123d2539f5ae51b37a06bd179fc7

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