Analysis
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max time kernel
151s -
max time network
37s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24/11/2022, 00:16
Static task
static1
Behavioral task
behavioral1
Sample
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe
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Size
196KB
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MD5
27344188ab6d789d67ba4e51f628860d
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SHA1
6f4e76ce9bfd6a47bc5dc5bd50dff3f8578b6567
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SHA256
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f
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SHA512
1291ce5fcf559dd6f26ab05997f03a0d2a6d1a78dcaace14e4125186cf213c037badeeb83437d1e994d0b393b025ccdf560033c7de45a22320ccf5b6ab56e26d
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SSDEEP
6144:FV4K16oTJWvfU4+bOl8femcK/fObT/bGimszUf7Wq3o:FAoTMvs4+bOlNK/fObT/bGipE7Ro
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" naajoo.exe -
Executes dropped EXE 1 IoCs
pid Process 1700 naajoo.exe -
Loads dropped DLL 2 IoCs
pid Process 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /s" naajoo.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /w" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /y" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /C" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /t" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /A" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /q" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /i" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /g" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /R" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /u" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /R" aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /m" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /n" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /f" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /E" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /k" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /D" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /p" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /e" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /W" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /x" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /M" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /I" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /G" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /K" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /a" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /T" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /l" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /P" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /Q" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /F" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /U" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /b" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /N" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /L" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /O" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /z" naajoo.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /j" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /v" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /c" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /Z" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /Y" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /H" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /r" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /d" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /S" naajoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naajoo = "C:\\Users\\Admin\\naajoo.exe /o" naajoo.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 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe 1700 naajoo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 1700 naajoo.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1788 wrote to memory of 1700 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 28 PID 1788 wrote to memory of 1700 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 28 PID 1788 wrote to memory of 1700 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 28 PID 1788 wrote to memory of 1700 1788 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe"C:\Users\Admin\AppData\Local\Temp\aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.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:1788 -
C:\Users\Admin\naajoo.exe"C:\Users\Admin\naajoo.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:1700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
196KB
MD5a5e03b53c4b30d9aa56c956066d44d92
SHA1166032709be49ed9f9909943972b3c004a394938
SHA256d89e4da4a01f425c503022ccbf3f5a02f471e510f9794270b131717cc1e57fe5
SHA51228110cc03ad14598da552f703b1e73ed22fc0497b2ea64f12e812d8bc0525545aaa30f1548496741dfd91b4323f2acfbfeae4f1b86325875b1bcb7251a06be0b
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Filesize
196KB
MD5a5e03b53c4b30d9aa56c956066d44d92
SHA1166032709be49ed9f9909943972b3c004a394938
SHA256d89e4da4a01f425c503022ccbf3f5a02f471e510f9794270b131717cc1e57fe5
SHA51228110cc03ad14598da552f703b1e73ed22fc0497b2ea64f12e812d8bc0525545aaa30f1548496741dfd91b4323f2acfbfeae4f1b86325875b1bcb7251a06be0b
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Filesize
196KB
MD5a5e03b53c4b30d9aa56c956066d44d92
SHA1166032709be49ed9f9909943972b3c004a394938
SHA256d89e4da4a01f425c503022ccbf3f5a02f471e510f9794270b131717cc1e57fe5
SHA51228110cc03ad14598da552f703b1e73ed22fc0497b2ea64f12e812d8bc0525545aaa30f1548496741dfd91b4323f2acfbfeae4f1b86325875b1bcb7251a06be0b
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Filesize
196KB
MD5a5e03b53c4b30d9aa56c956066d44d92
SHA1166032709be49ed9f9909943972b3c004a394938
SHA256d89e4da4a01f425c503022ccbf3f5a02f471e510f9794270b131717cc1e57fe5
SHA51228110cc03ad14598da552f703b1e73ed22fc0497b2ea64f12e812d8bc0525545aaa30f1548496741dfd91b4323f2acfbfeae4f1b86325875b1bcb7251a06be0b