Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 01:49
Static task
static1
Behavioral task
behavioral1
Sample
7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe
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Size
136KB
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MD5
62d7c7f909de7092f9b24ad279d10e40
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SHA1
5865e13c37c44f6840db4489299e09d13dc1a27f
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SHA256
7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08
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SHA512
ac007c2db8c82234a0b0c8b6b4f860ce15790a31b59e7b2c5cc3cbb3ff267ab782630db0e597a2663dd1ce789031744e715f2cc4135c881dc9f80a02d5a713b2
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SSDEEP
3072:BmtqOywjBfQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegmI:BmhQn7WbIqH0ybZBiOllyE5D+aVkjseN
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" luiejek.exe -
Executes dropped EXE 1 IoCs
pid Process 1388 luiejek.exe -
Loads dropped DLL 2 IoCs
pid Process 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /J" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /H" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /N" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /A" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /o" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /D" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /f" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /X" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /B" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /F" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /Z" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /L" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /P" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /E" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /m" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /g" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /G" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /b" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /u" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /O" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /p" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /Q" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /U" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /a" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /c" luiejek.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /w" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /M" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /r" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /l" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /j" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /e" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /R" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /V" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /h" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /q" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /C" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /T" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /I" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /d" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /Y" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /v" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /W" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /k" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /x" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /z" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /i" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /s" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /y" luiejek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\luiejek = "C:\\Users\\Admin\\luiejek.exe /K" luiejek.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 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe 1388 luiejek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe 1388 luiejek.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1920 wrote to memory of 1388 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe 28 PID 1920 wrote to memory of 1388 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe 28 PID 1920 wrote to memory of 1388 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe 28 PID 1920 wrote to memory of 1388 1920 7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe"C:\Users\Admin\AppData\Local\Temp\7b7ba3a06b003b95dcda44a0b88a76fb897a0b035175d58f279707aefb8fef08.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\luiejek.exe"C:\Users\Admin\luiejek.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:1388
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD5adbefcf8eaa03b6f8a67a0cf1f292fa9
SHA154eac3f766bd5a5aec5996dca34f34d255f7a5cc
SHA2563acb7e6a7fd0cf90fea44ddef921122a2e0c43d97de5be9c49a86d54665708f8
SHA512735410b55114308ce3f396701bd4f1f65a44f7ffec8a66b7aa3a421baca5d2f9e741ac3d2c1d3d40f27cc8796ea958eeccb058d61d6a3b64f040b6c91ff65568
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Filesize
136KB
MD5adbefcf8eaa03b6f8a67a0cf1f292fa9
SHA154eac3f766bd5a5aec5996dca34f34d255f7a5cc
SHA2563acb7e6a7fd0cf90fea44ddef921122a2e0c43d97de5be9c49a86d54665708f8
SHA512735410b55114308ce3f396701bd4f1f65a44f7ffec8a66b7aa3a421baca5d2f9e741ac3d2c1d3d40f27cc8796ea958eeccb058d61d6a3b64f040b6c91ff65568
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Filesize
136KB
MD5adbefcf8eaa03b6f8a67a0cf1f292fa9
SHA154eac3f766bd5a5aec5996dca34f34d255f7a5cc
SHA2563acb7e6a7fd0cf90fea44ddef921122a2e0c43d97de5be9c49a86d54665708f8
SHA512735410b55114308ce3f396701bd4f1f65a44f7ffec8a66b7aa3a421baca5d2f9e741ac3d2c1d3d40f27cc8796ea958eeccb058d61d6a3b64f040b6c91ff65568
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Filesize
136KB
MD5adbefcf8eaa03b6f8a67a0cf1f292fa9
SHA154eac3f766bd5a5aec5996dca34f34d255f7a5cc
SHA2563acb7e6a7fd0cf90fea44ddef921122a2e0c43d97de5be9c49a86d54665708f8
SHA512735410b55114308ce3f396701bd4f1f65a44f7ffec8a66b7aa3a421baca5d2f9e741ac3d2c1d3d40f27cc8796ea958eeccb058d61d6a3b64f040b6c91ff65568