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Analysis
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max time kernel
6s -
max time network
7s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 10:26
Static task
static1
Behavioral task
behavioral1
Sample
912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe
Resource
win10v2004-20240508-en
Errors
General
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Target
912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe
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Size
904KB
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MD5
404000a5eb61552e5853047568042c77
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SHA1
e2db54fccdae081d8c7e73a1739757375db16fad
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SHA256
912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319
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SHA512
16b3a2386534a63947a866c79e909e64c44f74264b3e7df00c401f0762b4263ce4f7ada9fe508f87c61abcbc32552ddbefebd10944c1e7296261b35fd63ee36f
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SSDEEP
12288:/yQd5G3mSBxxK5ietUZP5x58dGAq6YX0ttyPHfisVQTImli7l:/yQDG3mLiWUl5zxAv+2sVQTPi7l
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00090000000233fa-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 5792 912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe -
resource yara_rule behavioral2/files/0x00090000000233fa-1.dat upx behavioral2/memory/5792-5-0x00000000747E0000-0x000000007481C000-memory.dmp upx -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\physicaldrive0 912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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 = "217" 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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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\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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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\Explorer\Accent 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 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 5792 912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5792 912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe 5792 912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe 2928 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe"C:\Users\Admin\AppData\Local\Temp\912c16fc6c53627f065d8b7fdc49be683e40cb7b0310641fa65221f4c1fdc319.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5792
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39ae055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2928
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
97KB
MD5c35425ad1f0c32225d307310deccc335
SHA1b2e347b244e40ffa113dffaffd1895777e3ac30a
SHA25648773d597155dc39dd172c26867972da89dd61fcee0d138433eda26a2d8633b7
SHA51247b6a7447fcc4f9f21018f608fcbdb5650f16cbd869cae5d4ed5d9b88ca1e944de1cac10e9a252aa7b210f1a31456c0ed91728b8a7e24def99d7e3f9683e2bae