8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9

General

Target

8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe
Size

10KB
MD5

6a374f5c80594bd2696965881866c49c
SHA1

ddde5d34985844974cc408f637c4ac53258148e3
SHA256

8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9
SHA512

23e71a102a2e064d3be78a3ed56bc853e4345f004dcf88b055bc97e80fddf9fd8a1f348a5c024272dfaee157cf24fb888214a34763fb03cda33829d6cfdc75f2

Score

8^/10

bootkit persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

sys3.exe

pid process

424 sys3.exe

pid	process
424	sys3.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

Processes:

sys3.exe8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	sys3.exe
File opened for modification	\??\PHYSICALDRIVE0	8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "33"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sys3.exe

description pid process

Token: SeShutdownPrivilege 424 sys3.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

4396 LogonUI.exe

description	pid	process
Token: SeShutdownPrivilege	424	sys3.exe

pid	process
4396	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe

description	pid	process	target process
PID 2316 wrote to memory of 424	2316	8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe	sys3.exe
PID 2316 wrote to memory of 424	2316	8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe	sys3.exe
PID 2316 wrote to memory of 424	2316	8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe	sys3.exe

C:\Users\Admin\AppData\Local\Temp\8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe
"C:\Users\Admin\AppData\Local\Temp\8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\sys3.exe
  C:\Users\Admin\AppData\Local\Temp\\sys3.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of AdjustPrivilegeToken
  PID:424

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a01055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\sys3.exe

Filesize
10KB

MD5
6a374f5c80594bd2696965881866c49c

SHA1
ddde5d34985844974cc408f637c4ac53258148e3

SHA256
8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9

SHA512
23e71a102a2e064d3be78a3ed56bc853e4345f004dcf88b055bc97e80fddf9fd8a1f348a5c024272dfaee157cf24fb888214a34763fb03cda33829d6cfdc75f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys3.exe

Filesize
10KB

MD5
6a374f5c80594bd2696965881866c49c

SHA1
ddde5d34985844974cc408f637c4ac53258148e3

SHA256
8cada527372c8a1699f35cfd9c4efc8893d0be5f2e26e7519dce17c98b5e37a9

SHA512
23e71a102a2e064d3be78a3ed56bc853e4345f004dcf88b055bc97e80fddf9fd8a1f348a5c024272dfaee157cf24fb888214a34763fb03cda33829d6cfdc75f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\systm.txt

Filesize
102B

MD5
04b7e6dc204f3622539ca8b791c8f934

SHA1
0052b5ed3b7ec45c745e467a977649f819741b40

SHA256
085df340b6aad77fc93204cf53e2c4e22cdad35df84f6d8d4ebf07e964741d64

SHA512
67c5e7029cead1044b3f9ca1cd0fd58bed46e4cfe4c459cdeb6a944ca14f84f7e05620a19df65b1e9cd70722f6b6c50374ff5c9eb6176421e6b87945dcd70dff

Download Submit
memory/424-130-0x0000000000000000-mapping.dmp

Download
memory/2316-133-0x000000002AA00000-0x000000002AA05000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads