444e524a7f5829a9ff3fd898dbf5f380bf7fb56e0ce02dceec4252eee2f01f01

Analysis

max time kernel
27s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
29/09/2024, 22:41

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General

Target

nigger.exe
Size

10.1MB
MD5

6bba4d801c34ffb654b9a6b00f5dd2fb
SHA1

085287cc542def54fe518c012085cb0dda517e57
SHA256

444e524a7f5829a9ff3fd898dbf5f380bf7fb56e0ce02dceec4252eee2f01f01
SHA512

665df9008d34f8ca291fce7eee940e9dcdf84ba4aff34b80b3af6dcd8132796bf1018a22aba1413a176de8bf43856871842f6714b449bd2b857e2fc0aa839368
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVhpalk:UVqoCl/YgjxEufVU0TbTyDDalQlk

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-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 5 IoCs

pid	Process
1568	icsys.icn.exe
956	explorer.exe
1340	spoolsv.exe
4272	svchost.exe
3624	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.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\icsys.icn.exe	nigger.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	icsys.icn.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	nigger.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1752	nigger.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
1568	icsys.icn.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
956	explorer.exe
4272	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1752	nigger.exe
1752	nigger.exe
1568	icsys.icn.exe
1568	icsys.icn.exe
956	explorer.exe
956	explorer.exe
1340	spoolsv.exe
1340	spoolsv.exe
4272	svchost.exe
4272	svchost.exe
3624	spoolsv.exe
3624	spoolsv.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1568	1752	nigger.exe	78
PID 1752 wrote to memory of 1568	1752	nigger.exe	78
PID 1752 wrote to memory of 1568	1752	nigger.exe	78
PID 1568 wrote to memory of 956	1568	icsys.icn.exe	79
PID 1568 wrote to memory of 956	1568	icsys.icn.exe	79
PID 1568 wrote to memory of 956	1568	icsys.icn.exe	79
PID 956 wrote to memory of 1340	956	explorer.exe	80
PID 956 wrote to memory of 1340	956	explorer.exe	80
PID 956 wrote to memory of 1340	956	explorer.exe	80
PID 1340 wrote to memory of 4272	1340	spoolsv.exe	81
PID 1340 wrote to memory of 4272	1340	spoolsv.exe	81
PID 1340 wrote to memory of 4272	1340	spoolsv.exe	81
PID 4272 wrote to memory of 3624	4272	svchost.exe	82
PID 4272 wrote to memory of 3624	4272	svchost.exe	82
PID 4272 wrote to memory of 3624	4272	svchost.exe	82

C:\Users\Admin\AppData\Local\Temp\nigger.exe
"C:\Users\Admin\AppData\Local\Temp\nigger.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\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1568
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - 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: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:956
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1340
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        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:4272
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3624

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
135KB

MD5
9465cad301dcb5b99db8bf97b87719c9

SHA1
a705da408f546ac4495ecd4013dfd525c09f2c88

SHA256
9c5fa509cf87259a8f204a938644d84f0d1ff584ffe19ce7961fe4224b9cfd88

SHA512
67b13d63bdee9942422fbe94fc83be6860c59e801f13c89d839e2a262da6f1434590b0ce50aa864189e87dca175f57ffca26e0835f9179515e44fccb9d89edd2

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
5ecbb7ee5078d91b6dad8aae43e59d01

SHA1
dc78d6df44d9c05b7f771f9d23538b1c6fe697b9

SHA256
e5c189b687e2de461826321ef745a4577832f83aea63bf2667829b0c4c4632af

SHA512
72e3eea0a2df49d06ed656b170fdb4a12b7371841539ad7e001b276013e93e5e623b07f8c87ca80d72c6112a9792d5efaa9aee6f8053441ddaedd9b92194ab43

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

Filesize
135KB

MD5
585a65f88f6f57f9258f11681033433b

SHA1
e66c5c45c8f5d4812ca9fa676be7a626c414ed87

SHA256
7f96056aa757ef6cc9abb512e63195f9eee3c30738e0d79b19bf054245fcb9fa

SHA512
beb1b8f40fed3c4e104185889e0139e730e379c39ff3daf7800cd3b4f64f8d6760c2579240282f6abff42ecdf68d29682a2a660e16a18d45182134e2f7f9bac0

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

Filesize
135KB

MD5
42b8281f6a221df985fb02614f05ad6f

SHA1
f2ceb7cbfa17ff27d62e5be5caf3deb21806ade6

SHA256
e72b462fceb6e7f8039c9de9462524184e97c82a3804d6de11c4c37adefc9b56

SHA512
5c715c7e96b50dc8a8561d774dda9106c7e9ff2faa065474ca09b3d9e51d08e13e2c65ddeb81b98e2c639ebcd74c9b52367af7505c75dadda8bbd0a0b5ec7059

Download Submit
memory/1340-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1568-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1752-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1752-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3624-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download