aac5ea39d51dd28ba36843acf8ea261032190a19a03ebe0533c7fbcdd48dec5c

Analysis

max time kernel
6s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 12:17

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Reason

Machine shutdown

Report Analysis Logs

General

Target

cb6362d717ace7fcc8ab3eaa0451f159.exe
Size

124KB
MD5

cb6362d717ace7fcc8ab3eaa0451f159
SHA1

bdf7f84058d5c075d390ccc9072512313d8e89b3
SHA256

aac5ea39d51dd28ba36843acf8ea261032190a19a03ebe0533c7fbcdd48dec5c
SHA512

56de44a37138965eafffe1eb75f3baff7a0e589e51e16ebd0195a96d5b36fcbf9471fdc5a6854b01990731bc6b04a12ad2093c497ea469aa8b63fca3c8345ca4
SSDEEP

3072:aGu24YmngxFWjggRtuSiLiHo5LWAE5zY:aGu240Wjg+GX6z

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\srikulm.dll	cb6362d717ace7fcc8ab3eaa0451f159.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
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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\EnableWindowColorization = "54"	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\Themes\History	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\ColorizationAfterglow = "3288365271"	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\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\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1108	cb6362d717ace7fcc8ab3eaa0451f159.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1260	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\cb6362d717ace7fcc8ab3eaa0451f159.exe
"C:\Users\Admin\AppData\Local\Temp\cb6362d717ace7fcc8ab3eaa0451f159.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1108

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3996055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1260

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/1108-0-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/1108-1-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/1108-2-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1108-3-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download