369f2b3338b8a9f12dd3eb3a764627bb50fdef28048ff79b0af79bbd42364510

Analysis

max time kernel
10s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 11:30

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Reason

Machine shutdown

Report Analysis Logs

General

Target

4b50e9f77e6fbc5a17bf6e749b6205c3.exe
Size

79KB
MD5

4b50e9f77e6fbc5a17bf6e749b6205c3
SHA1

06aab9a352b7a3f24fe16f42ce51d96a3608b258
SHA256

369f2b3338b8a9f12dd3eb3a764627bb50fdef28048ff79b0af79bbd42364510
SHA512

ec78bd3654c48114a320fbafedcaaaed03f2ba57429469bfc8d53630d468448408d082d2d2d88d7f51ad17f7e8d3319a3602793f2f6829b944243f6edb27008d
SSDEEP

1536:VwrV0+jwm1a8Oci3fNg9p1YB88pwQYFPXXUlPOvzAoHJlIK:iVVcms8Ocaep1y2H/APyzAoHJlIK

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\trgbhkj.dll	4b50e9f77e6fbc5a17bf6e749b6205c3.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\DWM\ColorizationColorBalance = "89"	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\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	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 = "63"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4852	4b50e9f77e6fbc5a17bf6e749b6205c3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1088	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\4b50e9f77e6fbc5a17bf6e749b6205c3.exe
"C:\Users\Admin\AppData\Local\Temp\4b50e9f77e6fbc5a17bf6e749b6205c3.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4852

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39fe855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4852-0-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

Download
memory/4852-1-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

Download
memory/4852-3-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

Download
memory/4852-2-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download