97bf17299274b46f886b50d64119dcfc4bc5043af34e7d6d6519451cb876f35a

Analysis

max time kernel
6s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 15:22

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Reason

Machine shutdown

Report Analysis Logs

General

Target

28ed06664add3a5e97b67b3e8ec79f8c.exe
Size

100KB
MD5

28ed06664add3a5e97b67b3e8ec79f8c
SHA1

082bec76fe6c47a36e6b098a4d6da5de04bb82eb
SHA256

97bf17299274b46f886b50d64119dcfc4bc5043af34e7d6d6519451cb876f35a
SHA512

1700fed7384d774cd3d1144434608213bb898ddc1c88e08af205bf0c82ad782b7756d1bb2442f4414b1bfdab2f0b021aa64be1582d161eb8671fab7dd619795e
SSDEEP

1536:XhuSeAudDWmuYjrqctgYiINQGCIsnohr3vIHFT3wBZEmrH68+obcJlId:cr6Qr9TNNHsohr3vIHSSeHB+oYJlId

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\hfiydmk.dll	28ed06664add3a5e97b67b3e8ec79f8c.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "248"	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\AccentColor = "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\ColorizationBlurBalance = "1"	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\ColorizationColor = "3288365271"	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4080	28ed06664add3a5e97b67b3e8ec79f8c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2116	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\28ed06664add3a5e97b67b3e8ec79f8c.exe
"C:\Users\Admin\AppData\Local\Temp\28ed06664add3a5e97b67b3e8ec79f8c.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4080

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b8055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2116

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/4080-0-0x0000000001000000-0x000000000101A000-memory.dmp

Filesize
104KB

Download
memory/4080-1-0x0000000001000000-0x000000000101A000-memory.dmp

Filesize
104KB

Download
memory/4080-2-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/4080-3-0x0000000001000000-0x000000000101A000-memory.dmp

Filesize
104KB

Download