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Analysis
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max time kernel
151s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 15:34
Static task
static1
Behavioral task
behavioral1
Sample
fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe
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Size
140KB
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MD5
7a8f1bfac118b61c8c82f46092e932fa
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SHA1
587533647ea62f9d57634be5b5bd8f2c77d2420d
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SHA256
fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b
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SHA512
452ae25e8b5271719d18a58f964b74126f21f35ac1c1f7263792952c38094c791933c3c36464a5968ab55ff5115c65e4bd96459ce1ef4c2027b00a4c472ea012
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SSDEEP
3072:Pl2rgl1JmkD73mQtFDPB1P85XvbM7h8bdaqmRIxqeHHNMxiz2:Psr61J/72QtFDPB1P85Xvw7h8boqfqeU
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" doiak.exe -
Executes dropped EXE 1 IoCs
pid Process 1032 doiak.exe -
Loads dropped DLL 2 IoCs
pid Process 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe -
Adds Run key to start application 2 TTPs 49 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /G" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /I" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /F" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /B" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /f" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /t" doiak.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /S" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /K" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /n" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /D" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /l" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /p" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /a" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /L" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /J" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /q" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /j" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /X" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /s" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /y" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /W" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /T" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /v" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /p" fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /d" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /M" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /g" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /O" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /P" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /z" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /w" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /Y" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /o" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /c" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /h" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /r" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /E" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /U" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /i" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /A" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /m" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /H" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /Q" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /N" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /V" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /e" doiak.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\doiak = "C:\\Users\\Admin\\doiak.exe /b" doiak.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe 1032 doiak.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 1032 doiak.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1904 wrote to memory of 1032 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 27 PID 1904 wrote to memory of 1032 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 27 PID 1904 wrote to memory of 1032 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 27 PID 1904 wrote to memory of 1032 1904 fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.exe"C:\Users\Admin\AppData\Local\Temp\fc08850bf8f665229185af91db6b836e04754ac43b66716268503870f1e9bd6b.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:1904 -
C:\Users\Admin\doiak.exe"C:\Users\Admin\doiak.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:1032
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD500743a00884e9bd965c1d9871eb4127a
SHA1a3fb70ed9a86a612069a974ce88826eebbf36926
SHA256742d9dafd1273b4c659f638878697a0c6918177d96a24e7f4efcad7732b82ea6
SHA512ea2e071cb014d85b823a22c63572e24b7d7b1046e517c20ad2a1aeb935f70449e9c6f24d1a8492559357fcf53358a198bcde9096d45ad8a60d39e72837f43316
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Filesize
140KB
MD500743a00884e9bd965c1d9871eb4127a
SHA1a3fb70ed9a86a612069a974ce88826eebbf36926
SHA256742d9dafd1273b4c659f638878697a0c6918177d96a24e7f4efcad7732b82ea6
SHA512ea2e071cb014d85b823a22c63572e24b7d7b1046e517c20ad2a1aeb935f70449e9c6f24d1a8492559357fcf53358a198bcde9096d45ad8a60d39e72837f43316
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Filesize
140KB
MD500743a00884e9bd965c1d9871eb4127a
SHA1a3fb70ed9a86a612069a974ce88826eebbf36926
SHA256742d9dafd1273b4c659f638878697a0c6918177d96a24e7f4efcad7732b82ea6
SHA512ea2e071cb014d85b823a22c63572e24b7d7b1046e517c20ad2a1aeb935f70449e9c6f24d1a8492559357fcf53358a198bcde9096d45ad8a60d39e72837f43316
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Filesize
140KB
MD500743a00884e9bd965c1d9871eb4127a
SHA1a3fb70ed9a86a612069a974ce88826eebbf36926
SHA256742d9dafd1273b4c659f638878697a0c6918177d96a24e7f4efcad7732b82ea6
SHA512ea2e071cb014d85b823a22c63572e24b7d7b1046e517c20ad2a1aeb935f70449e9c6f24d1a8492559357fcf53358a198bcde9096d45ad8a60d39e72837f43316