444e524a7f5829a9ff3fd898dbf5f380bf7fb56e0ce02dceec4252eee2f01f01

Analysis

max time kernel
150s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 14:39

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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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 5 IoCs

pid	Process
3392	icsys.icn.exe
4172	explorer.exe
4320	spoolsv.exe
1076	svchost.exe
2900	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"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.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 5 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
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nigger.exe
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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
4808	nigger.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
3392	icsys.icn.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4172	explorer.exe
1076	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4808	nigger.exe
4808	nigger.exe
3392	icsys.icn.exe
3392	icsys.icn.exe
4172	explorer.exe
4172	explorer.exe
4320	spoolsv.exe
4320	spoolsv.exe
1076	svchost.exe
1076	svchost.exe
2900	spoolsv.exe
2900	spoolsv.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 3392	4808	nigger.exe	83
PID 4808 wrote to memory of 3392	4808	nigger.exe	83
PID 4808 wrote to memory of 3392	4808	nigger.exe	83
PID 3392 wrote to memory of 4172	3392	icsys.icn.exe	84
PID 3392 wrote to memory of 4172	3392	icsys.icn.exe	84
PID 3392 wrote to memory of 4172	3392	icsys.icn.exe	84
PID 4172 wrote to memory of 4320	4172	explorer.exe	85
PID 4172 wrote to memory of 4320	4172	explorer.exe	85
PID 4172 wrote to memory of 4320	4172	explorer.exe	85
PID 4320 wrote to memory of 1076	4320	spoolsv.exe	86
PID 4320 wrote to memory of 1076	4320	spoolsv.exe	86
PID 4320 wrote to memory of 1076	4320	spoolsv.exe	86
PID 1076 wrote to memory of 2900	1076	svchost.exe	87
PID 1076 wrote to memory of 2900	1076	svchost.exe	87
PID 1076 wrote to memory of 2900	1076	svchost.exe	87

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:4808
- 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:3392
- - \??\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:4172
  - - \??\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:4320
    - - \??\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:1076
      - \??\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:2900

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
ad73f224afc55feb3c8ce26655782306

SHA1
e132c45cf97f4f772b1e14c7bbd99536aa2ca92e

SHA256
da07e5c1fc7b6e204b9074a1c5893de2ac17f1a7c2de492228633aa300df12e1

SHA512
d5cd7a17e56767bff3c4fe0faf83ee2b445f0bc77f7bfb37dbb37a4c0cf2011e7072f0da4b4fee67b8baee8fa8b189863977544d9701fb54b79dbd5e1f2c02de

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
cc33e55e07a6f44cafac5e89fc9ce697

SHA1
113b3e3936e2f1f180fd262be72d75d72d531509

SHA256
044698056a92de96de7a69825a6f6a05abe4ec4f58588acfb42bbad4372d2295

SHA512
8fc274bd49f8f807303ef471b437f4e95de4141f5f34e25d61a4bbbd7fd7f74c9e048116b8d38c093a3053a620d3ad90331842f89a6b76f33efd013ff685a0d2

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

Filesize
135KB

MD5
5e8ba3708a1eb5b0882916024fb4d9f2

SHA1
13d35d956225be8ff7f2550f9f8ae38886633970

SHA256
b341b3b74077ee5cd4d95d405047222a9ddbbbfc5717edb26e296af2ec042104

SHA512
50f19acc4fe19bf6e35fdb9a8d8ed9052063486c712507b37c2f76e5b157715eb2c70c160598a059aef39c86309a6ef34692514e7894095640e8ef0957c150ec

Download Submit
memory/1076-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2900-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3392-10-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3392-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4172-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4320-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4808-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4808-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download