d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 06:50

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General

Target

d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
Size

135KB
MD5

c2b5290f38c56c8587d53a266de507fc
SHA1

9af095f8c495066c41e2ee31ee53e326d3d933ec
SHA256

d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8
SHA512

a0e95a41cc90b37985c0ee92b9b442d53fc2981f2a3ee2b376f3f72c088c502b4d52ada1d32ad5e954940d557d062e4ad769fc35d7018858e080927e5f89f645
SSDEEP

1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgn69999999999990:XVqoCl/YgjxEufVU0TbTyDDalsn

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
2800	explorer.exe
2692	spoolsv.exe
2824	svchost.exe
3032	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
2800	explorer.exe
2692	spoolsv.exe
2824	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2588	schtasks.exe
2924	schtasks.exe
112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2800	explorer.exe
2824	svchost.exe
2800	explorer.exe
2824	svchost.exe
2800	explorer.exe
2800	explorer.exe
2824	svchost.exe
2800	explorer.exe
2824	svchost.exe
2824	svchost.exe
2800	explorer.exe
2824	svchost.exe
2800	explorer.exe
2824	svchost.exe
2800	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2824	svchost.exe
2800	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
2800	explorer.exe
2800	explorer.exe
2692	spoolsv.exe
2692	spoolsv.exe
2824	svchost.exe
2824	svchost.exe
3032	spoolsv.exe
3032	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2800	1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe	30
PID 1728 wrote to memory of 2800	1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe	30
PID 1728 wrote to memory of 2800	1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe	30
PID 1728 wrote to memory of 2800	1728	d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe	30
PID 2800 wrote to memory of 2692	2800	explorer.exe	31
PID 2800 wrote to memory of 2692	2800	explorer.exe	31
PID 2800 wrote to memory of 2692	2800	explorer.exe	31
PID 2800 wrote to memory of 2692	2800	explorer.exe	31
PID 2692 wrote to memory of 2824	2692	spoolsv.exe	32
PID 2692 wrote to memory of 2824	2692	spoolsv.exe	32
PID 2692 wrote to memory of 2824	2692	spoolsv.exe	32
PID 2692 wrote to memory of 2824	2692	spoolsv.exe	32
PID 2824 wrote to memory of 3032	2824	svchost.exe	33
PID 2824 wrote to memory of 3032	2824	svchost.exe	33
PID 2824 wrote to memory of 3032	2824	svchost.exe	33
PID 2824 wrote to memory of 3032	2824	svchost.exe	33
PID 2800 wrote to memory of 2548	2800	explorer.exe	34
PID 2800 wrote to memory of 2548	2800	explorer.exe	34
PID 2800 wrote to memory of 2548	2800	explorer.exe	34
PID 2800 wrote to memory of 2548	2800	explorer.exe	34
PID 2824 wrote to memory of 2588	2824	svchost.exe	35
PID 2824 wrote to memory of 2588	2824	svchost.exe	35
PID 2824 wrote to memory of 2588	2824	svchost.exe	35
PID 2824 wrote to memory of 2588	2824	svchost.exe	35
PID 2824 wrote to memory of 2924	2824	svchost.exe	38
PID 2824 wrote to memory of 2924	2824	svchost.exe	38
PID 2824 wrote to memory of 2924	2824	svchost.exe	38
PID 2824 wrote to memory of 2924	2824	svchost.exe	38
PID 2824 wrote to memory of 112	2824	svchost.exe	41
PID 2824 wrote to memory of 112	2824	svchost.exe	41
PID 2824 wrote to memory of 112	2824	svchost.exe	41
PID 2824 wrote to memory of 112	2824	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe
"C:\Users\Admin\AppData\Local\Temp\d146deab32fdab4c09a6978989bf0ac5e3b0696fd0b8d70cfe9d50380d86a5a8.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2800
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2692
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2824
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3032
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 06:52 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2588
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 06:53 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2924
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 06:54 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:112
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
628768e84c2224143f2eb369e2a6d1af

SHA1
eb63926e44bc1ec89288b6161bde52569407d02f

SHA256
362d0f6b3469ad550325e892d97d88945227d66d0f2c3c66a73d720696b23c45

SHA512
11f73e49f4ce4bb92e6e1378648f7860a33cb2995b3fe6d392927c42cb6fced3d3400b7912b23f27d8fb939b7c0bbdcf4278f62376c08535dcc36c9ec0c85850

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
f0cb8901344efb37c01055a0b05fb2cf

SHA1
3e319e230a949624c8f681c163e9ef0c53635190

SHA256
98f77a22278d58afc85a3f0bcb2f8b507a5be688270edd946e20c75d31ab7c5b

SHA512
88746b54249a0d5bd9999ed286beaa3cb56990b505e22d37c34990b2a9c79de989db4e980d940f68a72bf3308b2904d475291c376d056f525e0bd6d32192c747

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
9265e720ff3c0305600ebe7295dae169

SHA1
d399685351f3f68debdc631822d465903cad95a3

SHA256
1d2f75647c951656a691e108fb34c2eff0c4a2536411c6a1439985d92a3885a7

SHA512
bb4b408b3d763539280bee6c25067eb7381ca923930c0883bde6dd25a56b358c9fd636db1c8d6abb447789e089e913de79afc582bf9566a72d58ddd41e321aea

Download Submit
memory/1728-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1728-9-0x0000000000670000-0x000000000068F000-memory.dmp

Filesize
124KB

Download
memory/1728-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2692-31-0x0000000000360000-0x000000000037F000-memory.dmp

Filesize
124KB

Download
memory/2692-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2800-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2824-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2824-46-0x0000000000280000-0x000000000029F000-memory.dmp

Filesize
124KB

Download
memory/3032-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download