444e524a7f5829a9ff3fd898dbf5f380bf7fb56e0ce02dceec4252eee2f01f01

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 5 IoCs

pid	Process
2772	icsys.icn.exe
2116	explorer.exe
2840	spoolsv.exe
2584	svchost.exe
2580	spoolsv.exe

Loads dropped DLL 5 IoCs

pid	Process
2276	nigger.exe
2772	icsys.icn.exe
2116	explorer.exe
2840	spoolsv.exe
2584	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\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	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.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 9 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	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	schtasks.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 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1672	schtasks.exe
608	schtasks.exe
448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2276	nigger.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2584	svchost.exe
2116	explorer.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2276	nigger.exe
2276	nigger.exe
2772	icsys.icn.exe
2772	icsys.icn.exe
2116	explorer.exe
2116	explorer.exe
2840	spoolsv.exe
2840	spoolsv.exe
2584	svchost.exe
2584	svchost.exe
2580	spoolsv.exe
2580	spoolsv.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2772	2276	nigger.exe	30
PID 2276 wrote to memory of 2772	2276	nigger.exe	30
PID 2276 wrote to memory of 2772	2276	nigger.exe	30
PID 2276 wrote to memory of 2772	2276	nigger.exe	30
PID 2772 wrote to memory of 2116	2772	icsys.icn.exe	31
PID 2772 wrote to memory of 2116	2772	icsys.icn.exe	31
PID 2772 wrote to memory of 2116	2772	icsys.icn.exe	31
PID 2772 wrote to memory of 2116	2772	icsys.icn.exe	31
PID 2116 wrote to memory of 2840	2116	explorer.exe	32
PID 2116 wrote to memory of 2840	2116	explorer.exe	32
PID 2116 wrote to memory of 2840	2116	explorer.exe	32
PID 2116 wrote to memory of 2840	2116	explorer.exe	32
PID 2840 wrote to memory of 2584	2840	spoolsv.exe	33
PID 2840 wrote to memory of 2584	2840	spoolsv.exe	33
PID 2840 wrote to memory of 2584	2840	spoolsv.exe	33
PID 2840 wrote to memory of 2584	2840	spoolsv.exe	33
PID 2584 wrote to memory of 2580	2584	svchost.exe	34
PID 2584 wrote to memory of 2580	2584	svchost.exe	34
PID 2584 wrote to memory of 2580	2584	svchost.exe	34
PID 2584 wrote to memory of 2580	2584	svchost.exe	34
PID 2116 wrote to memory of 2208	2116	explorer.exe	35
PID 2116 wrote to memory of 2208	2116	explorer.exe	35
PID 2116 wrote to memory of 2208	2116	explorer.exe	35
PID 2116 wrote to memory of 2208	2116	explorer.exe	35
PID 2584 wrote to memory of 1672	2584	svchost.exe	36
PID 2584 wrote to memory of 1672	2584	svchost.exe	36
PID 2584 wrote to memory of 1672	2584	svchost.exe	36
PID 2584 wrote to memory of 1672	2584	svchost.exe	36
PID 2584 wrote to memory of 608	2584	svchost.exe	39
PID 2584 wrote to memory of 608	2584	svchost.exe	39
PID 2584 wrote to memory of 608	2584	svchost.exe	39
PID 2584 wrote to memory of 608	2584	svchost.exe	39
PID 2584 wrote to memory of 448	2584	svchost.exe	41
PID 2584 wrote to memory of 448	2584	svchost.exe	41
PID 2584 wrote to memory of 448	2584	svchost.exe	41
PID 2584 wrote to memory of 448	2584	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\nigger.exe
"C:\Users\Admin\AppData\Local\Temp\nigger.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:2276
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - 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:2772
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - 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:2116
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      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:2840
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        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:2584
      - \??\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:2580
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 14:41 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1672
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 14:42 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:608
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 14:43 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:448
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:2208

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

\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
81c16d0cbec36011db0f29195bae9055

SHA1
ebd8629284f1429789f8e8a80bf8e389a52e34c9

SHA256
62b6d6b265d3a4355ea872c793091c95c4d315e44eeb0dcda667f76fb9c09544

SHA512
c9eb90107e0d5fff698761c8d8f135b512985a6f6d62c9e3f7da940ec3e6dbf5636d8d19422d77e768757ebff721b2cd81b6cb81ce90fe1484e2855095003d44

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

Filesize
135KB

MD5
5ecbb7ee5078d91b6dad8aae43e59d01

SHA1
dc78d6df44d9c05b7f771f9d23538b1c6fe697b9

SHA256
e5c189b687e2de461826321ef745a4577832f83aea63bf2667829b0c4c4632af

SHA512
72e3eea0a2df49d06ed656b170fdb4a12b7371841539ad7e001b276013e93e5e623b07f8c87ca80d72c6112a9792d5efaa9aee6f8053441ddaedd9b92194ab43

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
5af7240c807cd761457d769a5432041a

SHA1
b4650ed617105d0b390e05274741b028efa89f4d

SHA256
d1ad327da831c3812229d9d2222ce92b15fe8e4bc952669619e76b4d220e86cb

SHA512
69e3ef8feb9a7ed4b3813e58de94e9ff90be8d6cbfb98447c6434bf3defc0d37755207840f5657ba3e8bff02d6ad277df14c793ffa44974121ca19222a94fd01

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
c74b20a0182ff5ce6da5dfa001b964e4

SHA1
0a6fd9f6774dbf8255b02bf00464d3d0e02f6f5c

SHA256
33cb6983d5e7fac1bbdcb4ab89b50d15bf292b421ecf1e3d5bb595fbb6b26800

SHA512
7b79289ccab707699ff23b1b16f6b8d4eb2640ebf2f40cd03be6a1aab4aeb1ba0cf62e1d273a9aea9eb918436f4476d8a8d87745537d96d3495f6d14452e37c3

Download Submit
memory/2116-56-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2276-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2276-55-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2580-52-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2584-57-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2772-54-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2772-20-0x00000000002B0000-0x00000000002CF000-memory.dmp

Filesize
124KB

Download
memory/2840-53-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2840-42-0x0000000000540000-0x000000000055F000-memory.dmp

Filesize
124KB

Download