218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 07:26

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General

Target

218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
Size

135KB
MD5

c12a5b6c82549a51a17d21721c8caf00
SHA1

77541fff8d907ed504445b643308c09b93ee8e1c
SHA256

218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7
SHA512

0bc8e5b5dfa23d607d47017f2848bfedd8d84cece4a7c38f36565f1a39c480345ccb111f4b660d507ab94947f68b878abb0e8236c1248c9d60bd402b91908bd5
SSDEEP

1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgDWSGo:XVqoCl/YgjxEufVU0TbTyDDalno

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
2072	explorer.exe
2356	spoolsv.exe
2716	svchost.exe
2844	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
2072	explorer.exe
2356	spoolsv.exe
2716	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"	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\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
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.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	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.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
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

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
2908	schtasks.exe
2368	schtasks.exe
1832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2716	svchost.exe
2072	explorer.exe
2716	svchost.exe
2716	svchost.exe
2072	explorer.exe
2072	explorer.exe
2072	explorer.exe
2716	svchost.exe
2716	svchost.exe
2072	explorer.exe
2716	svchost.exe
2072	explorer.exe
2716	svchost.exe
2072	explorer.exe
2072	explorer.exe
2716	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2716	svchost.exe
2072	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
2072	explorer.exe
2072	explorer.exe
2356	spoolsv.exe
2356	spoolsv.exe
2716	svchost.exe
2716	svchost.exe
2844	spoolsv.exe
2844	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2072	1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe	30
PID 1860 wrote to memory of 2072	1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe	30
PID 1860 wrote to memory of 2072	1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe	30
PID 1860 wrote to memory of 2072	1860	218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe	30
PID 2072 wrote to memory of 2356	2072	explorer.exe	31
PID 2072 wrote to memory of 2356	2072	explorer.exe	31
PID 2072 wrote to memory of 2356	2072	explorer.exe	31
PID 2072 wrote to memory of 2356	2072	explorer.exe	31
PID 2356 wrote to memory of 2716	2356	spoolsv.exe	32
PID 2356 wrote to memory of 2716	2356	spoolsv.exe	32
PID 2356 wrote to memory of 2716	2356	spoolsv.exe	32
PID 2356 wrote to memory of 2716	2356	spoolsv.exe	32
PID 2716 wrote to memory of 2844	2716	svchost.exe	33
PID 2716 wrote to memory of 2844	2716	svchost.exe	33
PID 2716 wrote to memory of 2844	2716	svchost.exe	33
PID 2716 wrote to memory of 2844	2716	svchost.exe	33
PID 2072 wrote to memory of 2876	2072	explorer.exe	34
PID 2072 wrote to memory of 2876	2072	explorer.exe	34
PID 2072 wrote to memory of 2876	2072	explorer.exe	34
PID 2072 wrote to memory of 2876	2072	explorer.exe	34
PID 2716 wrote to memory of 2908	2716	svchost.exe	35
PID 2716 wrote to memory of 2908	2716	svchost.exe	35
PID 2716 wrote to memory of 2908	2716	svchost.exe	35
PID 2716 wrote to memory of 2908	2716	svchost.exe	35
PID 2716 wrote to memory of 2368	2716	svchost.exe	39
PID 2716 wrote to memory of 2368	2716	svchost.exe	39
PID 2716 wrote to memory of 2368	2716	svchost.exe	39
PID 2716 wrote to memory of 2368	2716	svchost.exe	39
PID 2716 wrote to memory of 1832	2716	svchost.exe	41
PID 2716 wrote to memory of 1832	2716	svchost.exe	41
PID 2716 wrote to memory of 1832	2716	svchost.exe	41
PID 2716 wrote to memory of 1832	2716	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.exe
"C:\Users\Admin\AppData\Local\Temp\218e9c466321330d999d754655dda79bcbbe9b87305f0dd8c413a7ff6dd491d7N.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:1860
- \??\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:2072
- - \??\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:2356
  - - \??\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:2716
    - - \??\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:2844
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 07:28 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2908
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 07:29 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2368
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 07:30 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1832
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2876

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
70ef57ac8b4e081abf5eed9e221798eb

SHA1
8d3e2d9976dcd10d2c64554c78310ed50904297f

SHA256
ae0f9c361d8e90a2f6255fdc3d7dee758641c7b049c6ef894542775c2813da40

SHA512
5f62bb5220ad98958c7a3467879dc4feb4f12d372abf1f018fc397b100837005d63768bc13b1afedcb48761c8098fc34bd3d7093186cd34461e36011176aeb7f

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

Filesize
135KB

MD5
d523257ff0980b58e40c6a299bf650f5

SHA1
2a34d5cabc74372ac459085d1534a1d003b9cd1d

SHA256
07e261b62bcc17f442b463e13d64fe6429a64e46b2b9de7f317c5506966356f5

SHA512
42777d057cf9e1cd64207156e23128464c4796e4a9b350078d84e533fc0f725934b0d63f4370ca7ca88ed1c82f72a936abcb1e919079e6756e193cc18690562a

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
fc567a556c99f95c9495c80c882ea18e

SHA1
cc28a4579d93d8f56e4db1ceb675cae658b187e8

SHA256
fdb2aeca7b672812e25edddc209fce2c3f5a61244f78908b618454157e4157c5

SHA512
57c48e98211bfb23446f5a68d636079f4fc684ab162d8779dc5bbdefc286361da151b52b02a941dcc6948fbfd39cb4b30d4e1bcde38161b10122a6d3ccc035dc

Download Submit
memory/1860-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1860-9-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download
memory/1860-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2072-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2356-29-0x00000000002D0000-0x00000000002EF000-memory.dmp

Filesize
124KB

Download
memory/2716-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2844-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download