9a947932b1065b67fe0cb8a2fc18c9599ffeee414affbe7ea95c27b7c054037b

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 02:44

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General

Target

nigger.exe
Size

545KB
MD5

293ed1407a6ee099dde67370c745d910
SHA1

454da02a2783e2305a4b6033262dbeb04a4de2c3
SHA256

9a947932b1065b67fe0cb8a2fc18c9599ffeee414affbe7ea95c27b7c054037b
SHA512

f72ef62b30408005a532e38be4b1454e04563201b07612055163e81f7b0b8d7f8eb28fe649c5c940da2fbe3d8ed71d039bf34bd497f864c7b39dbefac224438a
SSDEEP

6144:+Jm5QUB5HH4nWU95vV8RPeypQRISD1T7EZ7FT+CWAoYwI4NgfeTCbDnL/EXiM:j5XVU9QdeyeRu7sCWAoYINg22v

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\WindowsDefender"	nigger.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Windows\\Windows Defender"	nigger.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\WindowsDefender	nigger.exe
File opened for modification	C:\Windows\WindowsDefender	nigger.exe
File created	C:\Windows\Windows Defender	nigger.exe
File opened for modification	C:\Windows\Windows Defender	nigger.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe
4412	nigger.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4412	nigger.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 2528	4412	nigger.exe	90
PID 4412 wrote to memory of 2528	4412	nigger.exe	90
PID 2528 wrote to memory of 1956	2528	CMD.exe	92
PID 2528 wrote to memory of 1956	2528	CMD.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\nigger.exe
"C:\Users\Admin\AppData\Local\Temp\nigger.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "System" /tr "C:\Windows\WindowsDefender" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "System" /tr "C:\Windows\WindowsDefender"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1956

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:3520

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

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4412-0-0x00007FFEF1223000-0x00007FFEF1225000-memory.dmp

Filesize
8KB

Download
memory/4412-1-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/4412-2-0x00007FFEF1223000-0x00007FFEF1225000-memory.dmp

Filesize
8KB

Download
memory/4412-18-0x00007FFEF1220000-0x00007FFEF1CE1000-memory.dmp

Filesize
10.8MB

Download
memory/4412-86-0x000000001C9D0000-0x000000001CA46000-memory.dmp

Filesize
472KB

Download
memory/4412-87-0x00000000026B0000-0x00000000026BC000-memory.dmp

Filesize
48KB

Download
memory/4412-88-0x0000000002870000-0x000000000288E000-memory.dmp

Filesize
120KB

Download
memory/4412-115-0x00007FFEF1220000-0x00007FFEF1CE1000-memory.dmp

Filesize
10.8MB

Download