fd8985cefe17d2d11e97be83aca747031613d60f02520692fbf82f0141f78d5f

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
3428	explorer.exe
556	spoolsv.exe
3216	svchost.exe
4844	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"	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 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	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

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
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
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe
3428	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3428	explorer.exe
3216	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
2544	59a54ec6c50f3646db7250b74051e6e0N.exe
3428	explorer.exe
3428	explorer.exe
556	spoolsv.exe
556	spoolsv.exe
3216	svchost.exe
3216	svchost.exe
4844	spoolsv.exe
4844	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 3428	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	83
PID 2544 wrote to memory of 3428	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	83
PID 2544 wrote to memory of 3428	2544	59a54ec6c50f3646db7250b74051e6e0N.exe	83
PID 3428 wrote to memory of 556	3428	explorer.exe	85
PID 3428 wrote to memory of 556	3428	explorer.exe	85
PID 3428 wrote to memory of 556	3428	explorer.exe	85
PID 556 wrote to memory of 3216	556	spoolsv.exe	86
PID 556 wrote to memory of 3216	556	spoolsv.exe	86
PID 556 wrote to memory of 3216	556	spoolsv.exe	86
PID 3216 wrote to memory of 4844	3216	svchost.exe	88
PID 3216 wrote to memory of 4844	3216	svchost.exe	88
PID 3216 wrote to memory of 4844	3216	svchost.exe	88

C:\Users\Admin\AppData\Local\Temp\59a54ec6c50f3646db7250b74051e6e0N.exe
"C:\Users\Admin\AppData\Local\Temp\59a54ec6c50f3646db7250b74051e6e0N.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: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
  - 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:3428
- - \??\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:556
  - - \??\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:3216
    - - \??\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:4844

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

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Downloads

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

Filesize
206KB

MD5
a2ffbcc76801ecc2279655475a86d022

SHA1
4e5b98b55a92deec40d2d5d55968e0b95e2d2e51

SHA256
c7466f2a8f35808f5ac04a1a38e3d1c7070c7f431cb6033a5b741e414b4cdbbd

SHA512
f99910d847445fcc7cf3e841f0e909f55c113413dd4a9cdc2b86da66b34bf1fb7876aeea2e465c3a5f6c5db1632bc6cf8ea9ea5b3fa2c58bf906b3f909678b4d

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

Filesize
206KB

MD5
f44b0002a79819dbd523df25eafaa2cf

SHA1
f51d25434c703fd54d70a3ea011c3bdae46164a8

SHA256
de4bb3aa6e60c2dd3649124f6e87399a8b256c5a7cae234a620011af910c2a21

SHA512
07db3b7eee5d71f950f1194d3b9048884124e0ad80e9d5a92158117e02dbc4e5718d0183a37d8c9d33534a5233e947da3449f71fc0633d9524fb68497b20cef0

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

Filesize
206KB

MD5
36573c97761444526859267ef5c1b3b0

SHA1
b9ee964f1745466184264332d430d2c65e03831f

SHA256
b54f46a090336a8df54177606489b89b83509bc1ee18ca79e528bb73ada30dfa

SHA512
15dbc0da4b5a1de75462615e775e37264fac61429f04b9e282ae6081e704fa1e4fceb279424ec8033c942864f8b2616d82391ea852b12fdab64b63430a678346

Download Submit
memory/556-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

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

Filesize
188KB

Download
memory/2544-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3216-36-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3428-35-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4844-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download