Analysis
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max time kernel
149s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
20/04/2024, 20:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe
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Size
156KB
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MD5
a7789f6ab2e04587ccc913b99c863c98
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SHA1
b0a6c6534b10361bdbe74a63fc366d9784661e4d
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SHA256
275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917
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SHA512
fd22b26f09a37f06a2da1c9f36ee4e2a7b24821c1499b30feb87c3f775f33f5a364808340e543b96aebec28c850133e6acbb62f882242fd2bf03f8e3dbaa38b4
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SSDEEP
3072:7ACcTATe0pBI1xkaGU0vBpT8k/QvbawuxtUYqBd5hAmamQAMHfhRvuWxx0h4oQZa:79c4e0pBI1xkaH0vBpT8kltDr8L5DMHU
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jaeuk.exe -
Executes dropped EXE 1 IoCs
pid Process 2096 jaeuk.exe -
Loads dropped DLL 2 IoCs
pid Process 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe -
Adds Run key to start application 2 TTPs 49 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /O" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /M" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /H" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /h" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /k" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /U" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /P" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /b" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /K" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /e" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /u" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /A" 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /E" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /o" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /m" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /w" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /S" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /D" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /F" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /W" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /T" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /d" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /f" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /c" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /l" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /A" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /G" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /L" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /n" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /x" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /v" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /J" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /q" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /N" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /s" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /V" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /t" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /y" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /C" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /i" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /I" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /X" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /g" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /B" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /j" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /a" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /p" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /Y" jaeuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaeuk = "C:\\Users\\Admin\\jaeuk.exe /Q" jaeuk.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe 2096 jaeuk.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 2096 jaeuk.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2096 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 28 PID 2420 wrote to memory of 2096 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 28 PID 2420 wrote to memory of 2096 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 28 PID 2420 wrote to memory of 2096 2420 275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe"C:\Users\Admin\AppData\Local\Temp\275858824cd80e8d3e7b35204eb63dee71cbc0cc9103d130c630373bbf332917.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Users\Admin\jaeuk.exe"C:\Users\Admin\jaeuk.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
156KB
MD5da41b4966ef4c03cc6a397de933186f6
SHA17a37098198f0618ded9fcb3511d9438bed283efe
SHA256c8016c7b7ab16d1114829bd3b8795dddd47add787f02eb88f8d43bf0aa794521
SHA512d736d140a56bcfd19bb049a024cc461ea8c8027b23ed3b864a9ec5e8a1cf3cd05dde959d7414a3a7d31b627dce7f8b71bd95a9a46575c59782383f31a3d7cff1