Analysis
- max time kernel
156s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/10/2022, 11:13
Static task
static1
Behavioral task
behavioral1
Sample
ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe
- Size 228KB
- Sample221029-nbyadsecfn
- SHA256 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444
- MD5 338d69e46894a74177c02211a6a6f8bc
- SHA1 7ba28049fc602371d1951f6562ed1ecff275be7c
- SHA512 ef75d5f00e62f5f5efb7af71331358adc1239548dc228e517d4cc679c155837d9f1ca195de6cbe1bd758b5fe758d59637f712874a4e4f5f260fa91da04fa4427
- SSDEEP 6144:9md3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/jF:9mpPhAmZIH+x
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" voomik.exe - Executes dropped EXE 1 IoCs
pid Process 4908 voomik.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe - Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /r" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /f" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /q" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /a" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /s" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /x" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /y" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /z" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /u" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /t" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /m" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /w" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /d" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /r" ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /p" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /e" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /c" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /i" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /v" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /b" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /g" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /k" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /h" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /j" voomik.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /l" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /o" voomik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voomik = "C:\\Users\\Admin\\voomik.exe /n" voomik.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2892 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe 2892 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe 4908 voomik.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2892 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe 4908 voomik.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2892 wrote to memory of 4908 2892 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe 82 PID 2892 wrote to memory of 4908 2892 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe 82 PID 2892 wrote to memory of 4908 2892 ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe"C:\Users\Admin\AppData\Local\Temp\ccc9f77c0a3d5687f370f7d1681c6784c212862c41e4af994ace4454895b1444.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\voomik.exe"C:\Users\Admin\voomik.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:4908
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\voomik.exe
- Size 228KB
- SHA256 fba7900b8ac9c5b26d2653edb43a65ae8e832d8860023683aa4e3ef88a44b0fb
- MD5 4933c150cbddb67da6df6b44cde16e1b
- SHA1 031e8877c0b802d6383eedf97414675bc6b2e762
- SHA512 88cac1d3c3d6e4b5687b82dbc8c2ed8e7f8de06848ec8666ce986ae83052b29039510fe506dc34a3290ab9945e7dd70d8eb39434b81521b72699006bd8e30483
- SSDEEP 6144:Jmp3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/XF:JmlPhAmZIH+V
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\voomik.exe
- Size 228KB
- SHA256 fba7900b8ac9c5b26d2653edb43a65ae8e832d8860023683aa4e3ef88a44b0fb
- MD5 4933c150cbddb67da6df6b44cde16e1b
- SHA1 031e8877c0b802d6383eedf97414675bc6b2e762
- SHA512 88cac1d3c3d6e4b5687b82dbc8c2ed8e7f8de06848ec8666ce986ae83052b29039510fe506dc34a3290ab9945e7dd70d8eb39434b81521b72699006bd8e30483
- SSDEEP 6144:Jmp3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/XF:JmlPhAmZIH+V
- MD5 SHA1 SHA512 SSDEEP