654501eb167cc5bb53ac3f2a9f795ba31db390b5285600a9608d53635a6b1955

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 09:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ca228f142a4ece5676607a82665b9fb0N.exe
Size

206KB
MD5

ca228f142a4ece5676607a82665b9fb0
SHA1

8d23092f92e49f224d4d99229ab78c92eec97006
SHA256

654501eb167cc5bb53ac3f2a9f795ba31db390b5285600a9608d53635a6b1955
SHA512

38025b38a27d501702bd38e2d58ffddf0b8d551d610e2faaa6e8ad20fde2957fea45dc8e9458f420fcf6f70d196a4177714c325971f20187b3b4bac2c36e7e37
SSDEEP

1536:/fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbJdv:/VqoCl/YgjxEufVU0TbTyDDalbv

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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
4680	explorer.exe
1144	spoolsv.exe
4368	svchost.exe
2504	spoolsv.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"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.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\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	ca228f142a4ece5676607a82665b9fb0N.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	ca228f142a4ece5676607a82665b9fb0N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe
4680	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4680	explorer.exe
4368	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1752	ca228f142a4ece5676607a82665b9fb0N.exe
1752	ca228f142a4ece5676607a82665b9fb0N.exe
4680	explorer.exe
4680	explorer.exe
1144	spoolsv.exe
1144	spoolsv.exe
4368	svchost.exe
4368	svchost.exe
2504	spoolsv.exe
2504	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 4680	1752	ca228f142a4ece5676607a82665b9fb0N.exe	84
PID 1752 wrote to memory of 4680	1752	ca228f142a4ece5676607a82665b9fb0N.exe	84
PID 1752 wrote to memory of 4680	1752	ca228f142a4ece5676607a82665b9fb0N.exe	84
PID 4680 wrote to memory of 1144	4680	explorer.exe	85
PID 4680 wrote to memory of 1144	4680	explorer.exe	85
PID 4680 wrote to memory of 1144	4680	explorer.exe	85
PID 1144 wrote to memory of 4368	1144	spoolsv.exe	86
PID 1144 wrote to memory of 4368	1144	spoolsv.exe	86
PID 1144 wrote to memory of 4368	1144	spoolsv.exe	86
PID 4368 wrote to memory of 2504	4368	svchost.exe	87
PID 4368 wrote to memory of 2504	4368	svchost.exe	87
PID 4368 wrote to memory of 2504	4368	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\ca228f142a4ece5676607a82665b9fb0N.exe
"C:\Users\Admin\AppData\Local\Temp\ca228f142a4ece5676607a82665b9fb0N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - 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:4680
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1144
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4368
    - - \??\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:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Loading Replay Monitor...

Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
206KB

MD5
5df27b0af95e08a508d7ea3ca77c6517

SHA1
cfc649e90e81308f5724010187ce6b4b252b5641

SHA256
7a0a9c84acf15fc6d4197ca96d20a86e2b3fbaa1537ac910ecf2423211060f1e

SHA512
b20c5dca5d450353bf1bdee2b12ca13dd9b05f4c317de39b2cf0a9baea7f42c6e373ec689f2af8998fee1bb459eddd6fbd8128d8a48cb93f6c741a0e76f6db5c

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
ed05fc6afef825a015278a8ac58a3df1

SHA1
a0e833fc0690e8f199ed95daea069db4fe4aaf1c

SHA256
900734f77cd9e40f64dd9ea51fe77e8af951ba0771746a595067d12f39b5b0ee

SHA512
18a771e75079b23d6f1bcff3e8011cf84dc200fe8fe6d9dec1cc42f92271a2d9d30a8a500f80e4d0bcc2af94eae1fbc956770c50f6ef9d15f92e21331ff50c12

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
206KB

MD5
40f89eb6490c4791ee0fb74caf88104e

SHA1
97edf6a134a994147c9a2b697845b9fcce2a0c00

SHA256
3d386598b1e5dc3f1c1c7284b9868ce7dabdfa131457bf950c85b472405998d8

SHA512
a22d02371c0e84925f20f713219f3e5b00a2ff78e7315a5e67f0113fb82a48e47e5927ba70207e3224054064f2915da845129bd0fa6c109c2749131f4835e68f

Download Submit
memory/1144-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1752-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1752-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2504-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4368-36-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4680-35-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download