76fb269677ea529d85494e4c1a60a603a19583b16be6760b79ffb628dbd35fcb

Reason

Machine shutdown

General

Target

19dd04fe0d8cc6b26224b35c71c7b3c0.exe
Size

621KB
MD5

19dd04fe0d8cc6b26224b35c71c7b3c0
SHA1

667a820991b46dbcf050e79f9707be0e1878a87f
SHA256

76fb269677ea529d85494e4c1a60a603a19583b16be6760b79ffb628dbd35fcb
SHA512

b3ba8f8f199f375c27a74b7f3b97199a996db32cdeebcab3f1dde34d3cf6c38fb2c7bf499438eea4b0cf5d630a9acc962a07dba6b9f0c54789b9e88024468697
SSDEEP

12288:OJiy4v/S1bf16UkR8M75a6Zlj08eZtiO7ihEJyVebVPWwf/:e43CD1C7c6r0ViOmNebV5X

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\gog.exe"	19dd04fe0d8cc6b26224b35c71c7b3c0.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4120-0-0x0000000000400000-0x00000000005D8000-memory.dmp	upx
behavioral2/memory/4120-1-0x0000000000400000-0x00000000005D8000-memory.dmp	upx
behavioral2/memory/4120-3-0x0000000000400000-0x00000000005D8000-memory.dmp	upx
behavioral2/memory/4120-4-0x0000000000400000-0x00000000005D8000-memory.dmp	upx
behavioral2/memory/4120-8-0x0000000000400000-0x00000000005D8000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	19dd04fe0d8cc6b26224b35c71c7b3c0.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	19dd04fe0d8cc6b26224b35c71c7b3c0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
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\AccentColorMenu = "4292311040"	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "235"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\ColorizationAfterglowBalance = "10"	LogonUI.exe
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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	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\ColorizationAfterglow = "3288365271"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exe

pid process

4120 19dd04fe0d8cc6b26224b35c71c7b3c0.exe
4120 19dd04fe0d8cc6b26224b35c71c7b3c0.exe

pid	process
4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe
4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exe

description	pid	process
Token: SeShutdownPrivilege	4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe
Token: SeShutdownPrivilege	4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exe

pid process

4120 19dd04fe0d8cc6b26224b35c71c7b3c0.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exe

pid process

4120 19dd04fe0d8cc6b26224b35c71c7b3c0.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

19dd04fe0d8cc6b26224b35c71c7b3c0.exeLogonUI.exe

pid process

4120 19dd04fe0d8cc6b26224b35c71c7b3c0.exe
4120 19dd04fe0d8cc6b26224b35c71c7b3c0.exe
116 LogonUI.exe

pid	process
4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe

pid	process
4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe

pid	process
4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe
4120	19dd04fe0d8cc6b26224b35c71c7b3c0.exe
116	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\19dd04fe0d8cc6b26224b35c71c7b3c0.exe
"C:\Users\Admin\AppData\Local\Temp\19dd04fe0d8cc6b26224b35c71c7b3c0.exe"
1⤵
- Modifies WinLogon for persistence
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4120

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39bf855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:116

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/4120-0-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4120-1-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4120-2-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/4120-3-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4120-4-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4120-7-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/4120-8-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads