fd8985cefe17d2d11e97be83aca747031613d60f02520692fbf82f0141f78d5f

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 01:40

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General

Target

59a54ec6c50f3646db7250b74051e6e0N.exe
Size

207KB
MD5

59a54ec6c50f3646db7250b74051e6e0
SHA1

af7488d4607829cbd06fe226b23634c505777070
SHA256

fd8985cefe17d2d11e97be83aca747031613d60f02520692fbf82f0141f78d5f
SHA512

eb7f1c59ec340ada53727f7407d3ef8d3206f89c668a6f405892e53f23ee62291b14ebd251a7998f7649d5da98a44ea7da6eabf465e7f8c89d07064ada1032d5
SSDEEP

1536:/fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbJdIs:/VqoCl/YgjxEufVU0TbTyDDalb7

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2560	explorer.exe
2508	spoolsv.exe
2316	svchost.exe
2884	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2560	explorer.exe
2560	explorer.exe
2508	spoolsv.exe
2508	spoolsv.exe
2316	svchost.exe
2316	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	59a54ec6c50f3646db7250b74051e6e0N.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59a54ec6c50f3646db7250b74051e6e0N.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

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2832	schtasks.exe
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2316	svchost.exe
2560	explorer.exe
2560	explorer.exe
2316	svchost.exe
2316	svchost.exe
2560	explorer.exe
2316	svchost.exe
2560	explorer.exe
2316	svchost.exe
2560	explorer.exe
2560	explorer.exe
2316	svchost.exe
2560	explorer.exe
2316	svchost.exe
2560	explorer.exe
2316	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2316	svchost.exe
2560	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2560	explorer.exe
2560	explorer.exe
2508	spoolsv.exe
2508	spoolsv.exe
2316	svchost.exe
2316	svchost.exe
2884	spoolsv.exe
2884	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2560	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	30
PID 2544 wrote to memory of 2560	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	30
PID 2544 wrote to memory of 2560	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	30
PID 2544 wrote to memory of 2560	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	30
PID 2560 wrote to memory of 2508	2560	explorer.exe	31
PID 2560 wrote to memory of 2508	2560	explorer.exe	31
PID 2560 wrote to memory of 2508	2560	explorer.exe	31
PID 2560 wrote to memory of 2508	2560	explorer.exe	31
PID 2508 wrote to memory of 2316	2508	spoolsv.exe	32
PID 2508 wrote to memory of 2316	2508	spoolsv.exe	32
PID 2508 wrote to memory of 2316	2508	spoolsv.exe	32
PID 2508 wrote to memory of 2316	2508	spoolsv.exe	32
PID 2316 wrote to memory of 2884	2316	svchost.exe	33
PID 2316 wrote to memory of 2884	2316	svchost.exe	33
PID 2316 wrote to memory of 2884	2316	svchost.exe	33
PID 2316 wrote to memory of 2884	2316	svchost.exe	33
PID 2560 wrote to memory of 2444	2560	explorer.exe	34
PID 2560 wrote to memory of 2444	2560	explorer.exe	34
PID 2560 wrote to memory of 2444	2560	explorer.exe	34
PID 2560 wrote to memory of 2444	2560	explorer.exe	34
PID 2316 wrote to memory of 2796	2316	svchost.exe	35
PID 2316 wrote to memory of 2796	2316	svchost.exe	35
PID 2316 wrote to memory of 2796	2316	svchost.exe	35
PID 2316 wrote to memory of 2796	2316	svchost.exe	35
PID 2316 wrote to memory of 2832	2316	svchost.exe	39
PID 2316 wrote to memory of 2832	2316	svchost.exe	39
PID 2316 wrote to memory of 2832	2316	svchost.exe	39
PID 2316 wrote to memory of 2832	2316	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\59a54ec6c50f3646db7250b74051e6e0N.exe
"C:\Users\Admin\AppData\Local\Temp\59a54ec6c50f3646db7250b74051e6e0N.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:2544
- \??\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:2560
- - \??\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:2508
  - - \??\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:2316
    - - \??\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:2884
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:42 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2796
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:43 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2832
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2444

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\svchost.exe

Filesize
206KB

MD5
a0245dc538be84b5020a4e7e4f596e88

SHA1
1e58cc429144b2fb7e3f563460a2ed079348dd32

SHA256
1d965318db883172554fdb416c110b4965af503d8df83a16806ea5c4ae64fa7d

SHA512
83b0c4b2f4818e91536774ef9a49e43c5aa2671dbe7aa822d573651f16d4d84e02e7184239500a35a3a331b937657a7c6f4514d6ef257bf29646cc7febb6ffd1

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

Filesize
206KB

MD5
bdc3c5c0bca9af86516448edaacd51e9

SHA1
8dc466f74526f0596aadc082b18de6c946747ab2

SHA256
650ef956da69e05ea577dc472a72c458ef7601cfc648a19e5609164c888eff19

SHA512
fc71a4192d9239be03762684f8788c41d11ff32ccd5ced82a7e866442d94266a48e1e86e275dbc738b06c515625dc76c6c4c3edb51814c63b68381d40cab3036

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
8e3f8e5559d4a96f004d063925a2c38b

SHA1
83df3d94d58fc58349c28aa4c54ed11ea80d2e47

SHA256
8cf047ee2cb214110b635265a827b9128576f6d834d815f2dfc8601a0f0a1f49

SHA512
028c4a318ccdcc998f4a531da0827955e6995ac9f4fe2b65024413e2db6194daff2a1bdc2271473f8a30df2a184920d4130b3d803b44d66a0addd687a896ccb4

Download Submit
memory/2316-58-0x0000000000270000-0x000000000029F000-memory.dmp

Filesize
188KB

Download
memory/2316-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-41-0x00000000002D0000-0x00000000002FF000-memory.dmp

Filesize
188KB

Download
memory/2508-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-12-0x00000000002A0000-0x00000000002CF000-memory.dmp

Filesize
188KB

Download
memory/2544-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-13-0x00000000002A0000-0x00000000002CF000-memory.dmp

Filesize
188KB

Download
memory/2560-28-0x0000000000280000-0x00000000002AF000-memory.dmp

Filesize
188KB

Download
memory/2560-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download