Analysis
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max time kernel
158s -
max time network
70s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 19:49
Static task
static1
Behavioral task
behavioral1
Sample
61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe
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Size
152KB
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MD5
a102be78171641466d404ee240528640
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SHA1
a0f82294c9d610dcd4b8046b32f3add0aa79fd6a
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SHA256
61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd
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SHA512
83d2f8f6088b5ee439f98dc5eee63b9ba55e5952384a30947e69bf53bb35766449cb44f5003602010322ae502a7cecd3692083d53a7b5fbc42630816b6f56c71
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SSDEEP
3072:Xml7PTYhjIXs+7MxJUbaxI3zQyzLBuT+Fol:Us+7Mxa0yz2l
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" 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" guuuna.exe -
Executes dropped EXE 1 IoCs
pid Process 1936 guuuna.exe -
Loads dropped DLL 2 IoCs
pid Process 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /X" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /b" 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /A" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /B" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /Z" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /w" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /z" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /Q" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /K" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /P" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /a" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /g" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /J" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /o" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /q" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /R" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /H" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /M" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /b" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /x" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /N" guuuna.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /S" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /r" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /Y" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /l" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /d" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /U" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /D" guuuna.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /p" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /k" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /v" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /y" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /O" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /s" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /j" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /n" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /G" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /f" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /F" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /m" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /C" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /T" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /h" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /e" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /i" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /t" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /c" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /V" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /W" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /E" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /L" guuuna.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guuuna = "C:\\Users\\Admin\\guuuna.exe /u" guuuna.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 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe 1936 guuuna.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 1936 guuuna.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 900 wrote to memory of 1936 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 27 PID 900 wrote to memory of 1936 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 27 PID 900 wrote to memory of 1936 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 27 PID 900 wrote to memory of 1936 900 61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.exe"C:\Users\Admin\AppData\Local\Temp\61d61043ad52ee465c8a8a94c946456c6a9d9d51807052399ced70fcc25b7dbd.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:900 -
C:\Users\Admin\guuuna.exe"C:\Users\Admin\guuuna.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:1936
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152KB
MD58af7d9552ce254ea88836c56533c035a
SHA166e3deadccbf33fdaa3bfbc42f650937e58eab8e
SHA256d2ce37565e15fee0bfc9c82e81e6d5f627909e3c305a39f64f84f36261fc8399
SHA5126f7c63475a5d2ff2f14ee925b767f5b77d510b7204bc74af55a4ccab9c7a8bb3aa98d347f3550a94327284e1c501363788e383110d2423d5f8e587c9e52fc19b
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Filesize
152KB
MD58af7d9552ce254ea88836c56533c035a
SHA166e3deadccbf33fdaa3bfbc42f650937e58eab8e
SHA256d2ce37565e15fee0bfc9c82e81e6d5f627909e3c305a39f64f84f36261fc8399
SHA5126f7c63475a5d2ff2f14ee925b767f5b77d510b7204bc74af55a4ccab9c7a8bb3aa98d347f3550a94327284e1c501363788e383110d2423d5f8e587c9e52fc19b
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Filesize
152KB
MD58af7d9552ce254ea88836c56533c035a
SHA166e3deadccbf33fdaa3bfbc42f650937e58eab8e
SHA256d2ce37565e15fee0bfc9c82e81e6d5f627909e3c305a39f64f84f36261fc8399
SHA5126f7c63475a5d2ff2f14ee925b767f5b77d510b7204bc74af55a4ccab9c7a8bb3aa98d347f3550a94327284e1c501363788e383110d2423d5f8e587c9e52fc19b
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Filesize
152KB
MD58af7d9552ce254ea88836c56533c035a
SHA166e3deadccbf33fdaa3bfbc42f650937e58eab8e
SHA256d2ce37565e15fee0bfc9c82e81e6d5f627909e3c305a39f64f84f36261fc8399
SHA5126f7c63475a5d2ff2f14ee925b767f5b77d510b7204bc74af55a4ccab9c7a8bb3aa98d347f3550a94327284e1c501363788e383110d2423d5f8e587c9e52fc19b