5015af8fb5725c4c9ebac28a890128587b888acddab6cc9ff06e94e782713882

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 03:46

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General

Target

TeenTube_90767.exe
Size

197KB
MD5

1105c4df3562b7ac9aaa3bf6037397c9
SHA1

5abd5e024b85078b9060e4eb75c9fc9c7549ad55
SHA256

efd8f55e43b1ab6379cac9d2f037fe5260ffae11433fb076fad3b639f9f9d4df
SHA512

98156f3f1707feaac20bc0250238aa3a4a8d0e531f77281e092c8b454a055bfbe97bc32b01538bbdc4f9b1ba76af6b626279bc8848484c79646aa5ea6bb8ad85
SSDEEP

3072:Oz+92mhTMMJ/cPiq5bVioBih1PJ8RsaX/Bv3WxAyZBQ73Uen/+V:Oz+92mhAMJ/cPl3iogavsAMBLen/U

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

reg.exereg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\\\17880.exe\" 89681039665"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\\\17880.exe\" 89681039665"	reg.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

KMPlayer.exeTeenTube_90767.exes.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	KMPlayer.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	TeenTube_90767.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	s.exe

Executes dropped EXE 2 IoCs

Processes:

s.exeKMPlayer.exe

pid process

2828 s.exe
1728 KMPlayer.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2828	s.exe
1728	KMPlayer.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

reg.exereg.exeTeenTube_90767.exes.exeKMPlayer.execmd.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TeenTube_90767.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KMPlayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

KMPlayer.exe

pid	process
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe
1728	KMPlayer.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

TeenTube_90767.exes.exeKMPlayer.execmd.execmd.exe

description	pid	process	target process
PID 4248 wrote to memory of 2828	4248	TeenTube_90767.exe	s.exe
PID 4248 wrote to memory of 2828	4248	TeenTube_90767.exe	s.exe
PID 4248 wrote to memory of 2828	4248	TeenTube_90767.exe	s.exe
PID 2828 wrote to memory of 1728	2828	s.exe	KMPlayer.exe
PID 2828 wrote to memory of 1728	2828	s.exe	KMPlayer.exe
PID 2828 wrote to memory of 1728	2828	s.exe	KMPlayer.exe
PID 1728 wrote to memory of 1068	1728	KMPlayer.exe	cmd.exe
PID 1728 wrote to memory of 1068	1728	KMPlayer.exe	cmd.exe
PID 1728 wrote to memory of 1068	1728	KMPlayer.exe	cmd.exe
PID 1728 wrote to memory of 3652	1728	KMPlayer.exe	cmd.exe
PID 1728 wrote to memory of 3652	1728	KMPlayer.exe	cmd.exe
PID 1728 wrote to memory of 3652	1728	KMPlayer.exe	cmd.exe
PID 1068 wrote to memory of 4192	1068	cmd.exe	reg.exe
PID 1068 wrote to memory of 4192	1068	cmd.exe	reg.exe
PID 1068 wrote to memory of 4192	1068	cmd.exe	reg.exe
PID 3652 wrote to memory of 4348	3652	cmd.exe	reg.exe
PID 3652 wrote to memory of 4348	3652	cmd.exe	reg.exe
PID 3652 wrote to memory of 4348	3652	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\TeenTube_90767.exe
"C:\Users\Admin\AppData\Local\Temp\TeenTube_90767.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\s.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\s.exe" -pass -s2
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\KMPlayer.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\KMPlayer.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1728
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\17880.exe\" 89681039665" /f
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1068
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\17880.exe\" 89681039665" /f
        5⤵
        Modifies WinLogon for persistence
        System Location Discovery: System Language Discovery
        
        PID:4192
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\17880.exe\" 89681039665" /f /reg:64
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3652
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "userinit.exe","\"C:\\17880.exe\" 89681039665" /f /reg:64
        5⤵
        Modifies WinLogon for persistence
        System Location Discovery: System Language Discovery
        
        PID:4348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\KMPlayer.exe

Filesize
46KB

MD5
f052a9fa8b537c241287b4dca3c11a37

SHA1
295eb1eeabb085e516ede2c625b5a08e9da62430

SHA256
881a394fab156cf1d585be408aa34c979e99a1d74f3a0729c54f982cb845cd82

SHA512
6120f0e194b2222e0a444e412b0f4d3543836f13ae0656f1a69ec61970467104e90348f836dbb6394e74b3351d00d87f3101688e011de842d71fb8ed305aee6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\s.exe

Filesize
132KB

MD5
a26b0b3948676b82c4796c169bd043eb

SHA1
2e464f6f61b42871c1bf42d84f30ff58d7eef784

SHA256
57d514bdcf2d47f04adf993b682bab6b9dfd150d47f3fef05541106096e6e4e5

SHA512
aa71dc61929eb477ac64153a658bad2ddc6c003989587c42abdb8d4219512a1aaa8793f66247b868b2d92722e4bd01895c084b4a219272c0f6745a55a6d0f162

Download Submit
memory/1728-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1728-19-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1728-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download