d5395f121277d2b38f4173c7df0a20a3de99edfcfe2aa697080cc81170eb76ab

Resubmissions

09/03/2025, 01:58

250309-cdv29swybs 10

08/03/2025, 06:55

250308-hp35xatjt9 10

08/03/2025, 04:53

250308-fh1ebssky5 10

Analysis

max time kernel
8s
max time network
18s
platform
windows11-21h2_x64
resource
win11-20250218-en
resource tags

arch:x64arch:x86image:win11-20250218-enlocale:en-usos:windows11-21h2-x64system
submitted
08/03/2025, 06:55

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Reason

Machine shutdown

Report Analysis Logs

General

Target

My-Skidded-malwares-main/DAMK.exe
Size

776KB
MD5

e3f963c1c96b3069a768002382ce8bde
SHA1

8dc40c52456631b2daf4bd881c7e6320aa9f6503
SHA256

5f577b7efb40a0acadc7499fdd12b581ac19aad7b5c6e404e2f40b2b3f191bb4
SHA512

49a8800de23596bbff4eb52e74eee917976848d1bf5137baa699611ba9bdf69191cb2ebc587acd61cf0b72bcfc649609b56c13a0795a61e546b336667e9c24c8
SSDEEP

12288:3Dbpr2trUqUeBhfUHzXC+cHJ8XeSb++lnaTKvgDSBCFdn0r:3DdsrsG5UHulCXR+KaTKYrJQ

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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-1-5-21-2287204051-441334380-1151193565-1000\Software\Microsoft\Windows\CurrentVersion\Run\CustomMBR = "C:\\Users\\Admin\\AppData\\Local\\Temp\\My-Skidded-malwares-main\\DAMK.exe -BypassWarning"	DAMK.exe

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

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

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	DAMK.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	DAMK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	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\ColorizationColor = "3288365268"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	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\EnableWindowColorization = "220"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.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
1116	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3964	DAMK.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3964	DAMK.exe
3824	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 1116	3964	DAMK.exe	90
PID 3964 wrote to memory of 1116	3964	DAMK.exe	90
PID 3964 wrote to memory of 1116	3964	DAMK.exe	90

C:\Users\Admin\AppData\Local\Temp\My-Skidded-malwares-main\DAMK.exe
"C:\Users\Admin\AppData\Local\Temp\My-Skidded-malwares-main\DAMK.exe"
1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\schtasks.exe
  schtasks.exe /Create /TN CustomMBR /ru SYSTEM /SC ONSTART /TR "C:\Users\Admin\AppData\Local\Temp\My-Skidded-malwares-main\DAMK.exe -BypassWarning"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1116

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=5532,i,6925591690600939166,85426131164229687,262144 --variations-seed-version --mojo-platform-channel-handle=3828 /prefetch:14
1⤵
PID:4560

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39c4055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3824

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

Pre-OS Boot

T1542

Bootkit

T1542.003

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

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3964-0-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

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memory/3964-1-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

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Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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