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Analysis
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max time kernel
150s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
28/10/2022, 18:23
Static task
static1
Behavioral task
behavioral1
Sample
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe
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Size
156KB
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MD5
0abb72e33a0d544e0aefc5d2f1cdb300
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SHA1
d31819f36705c11371ba59775ecd7c601940e89c
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SHA256
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171
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SHA512
db52708606ce8c53d602b673f8111300bb3fd0a6725ae7b13b1425b721673d891833e9c93ae61c9b5f073294de8d69600277bc533df462ef71df68a3952674aa
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SSDEEP
3072:DpJyVFgyqTRlU3NhCBvu9pjZEwDxdr8Jr3i5:9JPRl+NhwWrjuwDQdg
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" voaxac.exe -
Executes dropped EXE 1 IoCs
pid Process 268 voaxac.exe -
Loads dropped DLL 2 IoCs
pid Process 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /G" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /a" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /l" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /w" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /Y" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /x" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /I" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /u" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /s" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /T" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /m" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /C" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /h" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /p" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /Q" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /r" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /g" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /d" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /B" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /b" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /U" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /O" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /S" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /P" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /f" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /E" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /n" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /A" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /t" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /o" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /W" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /i" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /M" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /Z" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /Y" cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /j" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /X" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /e" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /c" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /N" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /R" voaxac.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /q" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /D" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /H" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /F" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /z" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /L" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /J" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /y" voaxac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\voaxac = "C:\\Users\\Admin\\voaxac.exe /k" voaxac.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 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe 268 voaxac.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 268 voaxac.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1672 wrote to memory of 268 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 27 PID 1672 wrote to memory of 268 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 27 PID 1672 wrote to memory of 268 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 27 PID 1672 wrote to memory of 268 1672 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe"C:\Users\Admin\AppData\Local\Temp\cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.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:1672 -
C:\Users\Admin\voaxac.exe"C:\Users\Admin\voaxac.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:268
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD559fff2cdec00d0465e10a11e6a1204d8
SHA194e7052d61f5f60668c3be1c9aeb23fe5e7a2933
SHA256b64ef967d05ec02ccc498d0085b7f943dad0cd6e5e80de3480994b1f585effd5
SHA5123016bf7bdcabf7843419ed7a610435332b606a65a0418f029a0fd70caebf45634e3bcee0de79e7ac970428560bc9beff4f3d05cc429ac85f3c1506791c1d4a8a
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Filesize
156KB
MD559fff2cdec00d0465e10a11e6a1204d8
SHA194e7052d61f5f60668c3be1c9aeb23fe5e7a2933
SHA256b64ef967d05ec02ccc498d0085b7f943dad0cd6e5e80de3480994b1f585effd5
SHA5123016bf7bdcabf7843419ed7a610435332b606a65a0418f029a0fd70caebf45634e3bcee0de79e7ac970428560bc9beff4f3d05cc429ac85f3c1506791c1d4a8a
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Filesize
156KB
MD559fff2cdec00d0465e10a11e6a1204d8
SHA194e7052d61f5f60668c3be1c9aeb23fe5e7a2933
SHA256b64ef967d05ec02ccc498d0085b7f943dad0cd6e5e80de3480994b1f585effd5
SHA5123016bf7bdcabf7843419ed7a610435332b606a65a0418f029a0fd70caebf45634e3bcee0de79e7ac970428560bc9beff4f3d05cc429ac85f3c1506791c1d4a8a
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Filesize
156KB
MD559fff2cdec00d0465e10a11e6a1204d8
SHA194e7052d61f5f60668c3be1c9aeb23fe5e7a2933
SHA256b64ef967d05ec02ccc498d0085b7f943dad0cd6e5e80de3480994b1f585effd5
SHA5123016bf7bdcabf7843419ed7a610435332b606a65a0418f029a0fd70caebf45634e3bcee0de79e7ac970428560bc9beff4f3d05cc429ac85f3c1506791c1d4a8a