4fe78d907650e02e067a5501c9f37d69cf1bd435b6a30f6f35c977fe93358ea5

Analysis

max time kernel
6s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 01:10

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Reason

Machine shutdown

Report Analysis Logs

General

Target

3f846942cb30bac7efb903e34547eb31.exe
Size

124KB
MD5

3f846942cb30bac7efb903e34547eb31
SHA1

2ec3f9bbaadf0f7c978b407418344a64372ecd3d
SHA256

4fe78d907650e02e067a5501c9f37d69cf1bd435b6a30f6f35c977fe93358ea5
SHA512

6aa184de714d5b72213eb242ea057ba9805e37556ee8232d52604132ebf98e2c5e5baca5aefb6036f66a9373f8117b25616c18eb42d5f30af52ba018c8aa38f5
SSDEEP

1536:S1kUW/N/GZTvli6xqIuNWHFKBl3ELliLFcHo5A4PXHuAkl5zCH:S19Lxq3QFKXUpiLiHo5LWAE5zY

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\cxjoiln.dll	3f846942cb30bac7efb903e34547eb31.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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
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
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\Explorer\Accent\AccentColorMenu = "4292311040"	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\DWM\EnableWindowColorization = "24"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1056	3f846942cb30bac7efb903e34547eb31.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
636	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\3f846942cb30bac7efb903e34547eb31.exe
"C:\Users\Admin\AppData\Local\Temp\3f846942cb30bac7efb903e34547eb31.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1056

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39ad855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:636

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/1056-1-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/1056-3-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/1056-2-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/1056-0-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download