6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 05:43

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General

Target

6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
Size

135KB
MD5

9239e2832598e4ff002e71199f4bc4c0
SHA1

0b7295fc847ea4892946ad062d287e1f36fdfc32
SHA256

6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52
SHA512

a0e4f26bc76129b7ed315976137a2a31ae85e51950d02b28f316baf554b7aa5e723dbeccf0df1ba5d284ec24bb42c0f0929768a8a7a18b8c322e95462c8b2027
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVZDqIH:UVqoCl/YgjxEufVU0TbTyDDalPDfH

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
1736	explorer.exe
2400	spoolsv.exe
848	svchost.exe
2068	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
1736	explorer.exe
2400	spoolsv.exe
848	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\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
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

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	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.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	svchost.exe
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	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.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
3012	schtasks.exe
388	schtasks.exe
2940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
848	svchost.exe
1736	explorer.exe
1736	explorer.exe
1736	explorer.exe
848	svchost.exe
848	svchost.exe
1736	explorer.exe
848	svchost.exe
1736	explorer.exe
1736	explorer.exe
848	svchost.exe
1736	explorer.exe
848	svchost.exe
1736	explorer.exe
848	svchost.exe
1736	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1736	explorer.exe
848	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
1736	explorer.exe
1736	explorer.exe
2400	spoolsv.exe
2400	spoolsv.exe
848	svchost.exe
848	svchost.exe
2068	spoolsv.exe
2068	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1736	2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe	30
PID 2484 wrote to memory of 1736	2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe	30
PID 2484 wrote to memory of 1736	2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe	30
PID 2484 wrote to memory of 1736	2484	6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe	30
PID 1736 wrote to memory of 2400	1736	explorer.exe	31
PID 1736 wrote to memory of 2400	1736	explorer.exe	31
PID 1736 wrote to memory of 2400	1736	explorer.exe	31
PID 1736 wrote to memory of 2400	1736	explorer.exe	31
PID 2400 wrote to memory of 848	2400	spoolsv.exe	32
PID 2400 wrote to memory of 848	2400	spoolsv.exe	32
PID 2400 wrote to memory of 848	2400	spoolsv.exe	32
PID 2400 wrote to memory of 848	2400	spoolsv.exe	32
PID 848 wrote to memory of 2068	848	svchost.exe	33
PID 848 wrote to memory of 2068	848	svchost.exe	33
PID 848 wrote to memory of 2068	848	svchost.exe	33
PID 848 wrote to memory of 2068	848	svchost.exe	33
PID 1736 wrote to memory of 2972	1736	explorer.exe	34
PID 1736 wrote to memory of 2972	1736	explorer.exe	34
PID 1736 wrote to memory of 2972	1736	explorer.exe	34
PID 1736 wrote to memory of 2972	1736	explorer.exe	34
PID 848 wrote to memory of 2940	848	svchost.exe	35
PID 848 wrote to memory of 2940	848	svchost.exe	35
PID 848 wrote to memory of 2940	848	svchost.exe	35
PID 848 wrote to memory of 2940	848	svchost.exe	35
PID 848 wrote to memory of 3012	848	svchost.exe	39
PID 848 wrote to memory of 3012	848	svchost.exe	39
PID 848 wrote to memory of 3012	848	svchost.exe	39
PID 848 wrote to memory of 3012	848	svchost.exe	39
PID 848 wrote to memory of 388	848	svchost.exe	41
PID 848 wrote to memory of 388	848	svchost.exe	41
PID 848 wrote to memory of 388	848	svchost.exe	41
PID 848 wrote to memory of 388	848	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.exe
"C:\Users\Admin\AppData\Local\Temp\6449181764ab8b7abdd395d9c034f53adeb990080bb83b1a8cb90c36c21aed52N.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:2484
- \??\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:1736
- - \??\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:2400
  - - \??\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:848
    - - \??\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:2068
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:45 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2940
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:46 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:3012
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:47 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:388
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2972

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
6d27f2730360e76047c7115ec3f8e9e7

SHA1
3590dfad9394ad0372743debc44c9ed58fb266f4

SHA256
805d7d98546ee4e5cff2bfc053ea2bfdf1ef8002f8831aaba7e42cd4dc3bfe29

SHA512
d81944172622cecd12fd75cfeaedf5a8314a28fa04391a3f01d16aaa857c68c6450904cf0f457f37871c6e54a8e5b20be8df2f7e6e3d51651acfa16b71003900

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

Filesize
135KB

MD5
0fd25013c785fac606a47a4582b1e1de

SHA1
36a419f363cf85b3852828b95cd57bdba8a4d555

SHA256
61860c10ef7e113a2766f7143aa6a6c2ccb1f5637815a3187f5012affa62b06e

SHA512
49892c697a728f44b992c61f41de1310b26d5ddf95abd7a5dc54bec17748446d99ff5dcebe6edb476844da296aabfed755a844e4b1d1bc2e3df504b06c74dfca

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
6c549bb967490fbfbbe823f1c0923312

SHA1
efd0b007fb0838a231060ec90e9efc093458769f

SHA256
60683a3c0542fb049616deecd809572a2514ae3ce07adae7e3c0f0f4ff636a36

SHA512
745ca3412253437909926c7339bc91ee340499c57bede62e480d5176690624ad096ae957031b66c8cb1111d6c0ecd8f0933dda6cafc4d862cf93b49fa7b6f445

Download Submit
memory/848-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1736-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2068-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2400-30-0x00000000002D0000-0x00000000002EF000-memory.dmp

Filesize
124KB

Download
memory/2400-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2484-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2484-9-0x0000000000330000-0x000000000034F000-memory.dmp

Filesize
124KB

Download
memory/2484-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download