bfd7b086b89480c21063892dfebb156d46d9e5091513d3ee4edefdff5744457e

Analysis

max time kernel
22s
max time network
24s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
18/05/2026, 17:03

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Reason

Machine shutdown

General

Target
2026-05-18_515374711247db16ccd5137428f1e7fc_cobalt-strike_icedid_luca-stealer_njrat_ryuk_satacom_vidar.exe
Size 365KB
Sample260518-vkn7eahy2w
SHA256 bfd7b086b89480c21063892dfebb156d46d9e5091513d3ee4edefdff5744457e
MD5 515374711247db16ccd5137428f1e7fc
SHA1 79e48dc280405b3e447d116e7776dc5c1b18f9d5
SHA512 a3c2c21599a2671cbd743385e349e0e553fc588dc64560219c667c66f1dd9465ef0fc9d76f4eddb578af51128c74d8924638d5667df3a49ca1edefeedef20524
SSDEEP 6144:MIWcHxWjIWrk20cYi2k3Sb0ScaAWr32XohTyEclJ4:9fWjIJ20jkGDcwr32XogJ4
TLSH
T129848D16E3A518F8E1778234C9451606EA737C140774D7EF23E4866A3F236E96D3EB21
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\config\OSDATA	2026-05-18_515374711247db16ccd5137428f1e7fc_cobalt-strike_icedid_luca-stealer_njrat_ryuk_satacom_vidar.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	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\ColorizationColor = "3288365268"	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
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\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	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\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "119"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1392	shutdown.exe
Token: SeRemoteShutdownPrivilege	1392	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3440	LogonUI.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 1392	4388	2026-05-18_515374711247db16ccd5137428f1e7fc_cobalt-strike_icedid_luca-stealer_njrat_ryuk_satacom_vidar.exe	82

C:\Users\Admin\AppData\Local\Temp\2026-05-18_515374711247db16ccd5137428f1e7fc_cobalt-strike_icedid_luca-stealer_njrat_ryuk_satacom_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-18_515374711247db16ccd5137428f1e7fc_cobalt-strike_icedid_luca-stealer_njrat_ryuk_satacom_vidar.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Windows\SYSTEM32\shutdown.exe
  "shutdown" /r /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1392

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a22055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3440

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Malware Config

Signatures

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