8a610f5905ea7105856499de8026d480a017967568a0a5370410040ffd0eaaf7

Analysis

max time kernel
3s
max time network
3s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:37

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Reason

Machine shutdown

Report Analysis Logs

General

Target

751cc4fc18641de09dcf1eb9f079f1be.exe
Size

124KB
MD5

751cc4fc18641de09dcf1eb9f079f1be
SHA1

45acc3c244df32907eb6d35fd86c96d01162bfcf
SHA256

8a610f5905ea7105856499de8026d480a017967568a0a5370410040ffd0eaaf7
SHA512

169cce2b47d6c5f0671efb74da3cba001030bd0699bd25f57c676629dd25f1e6f000eed9439438404774863e673717d6d577ce143c04e023c3ee6424b297446e
SSDEEP

3072:YHxa7M9lqm7NsfrLAdpGbohWRpGiLiHo5LWAE5zY:YRa7e41/AdtOLX6z

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\wjwionk.dll	751cc4fc18641de09dcf1eb9f079f1be.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	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\ColorizationGlassAttribute = "1"	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\DWM\ColorizationBlurBalance = "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 (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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "3"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3824	751cc4fc18641de09dcf1eb9f079f1be.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3328	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\751cc4fc18641de09dcf1eb9f079f1be.exe
"C:\Users\Admin\AppData\Local\Temp\751cc4fc18641de09dcf1eb9f079f1be.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3824

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa399b855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3328

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/3824-0-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/3824-1-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download
memory/3824-2-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/3824-3-0x0000000001000000-0x0000000001020000-memory.dmp

Filesize
128KB

Download