Analysis
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max time kernel
160s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 10:27
Static task
static1
Behavioral task
behavioral1
Sample
2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe
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Size
220KB
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MD5
9684fa1d35fe0430d0f217012764e0e2
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SHA1
8a951d35f5f671e4decc24706e5590b949f76b67
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SHA256
2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d
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SHA512
c505216345428a20886349f5b381e05196d1d2f7f5aaf2144f406e0f100bd00b941ba14f4889db793b9cdb9ba8ec0a1b078f897f19b202d894986466746a3ca3
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SSDEEP
3072:zuR1SrgRjkY8YUL4qx9RIHgil3UuhSa3U3dD8d6Oy+MIrnj3JjNok:s1Sujkx15x9SHVeOjfD
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rhbas.exe -
Executes dropped EXE 1 IoCs
pid Process 1828 rhbas.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 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.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\rhbas = "C:\\Users\\Admin\\rhbas.exe /h" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /r" rhbas.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /u" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /s" 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /c" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /q" rhbas.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /w" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /i" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /s" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /f" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /e" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /a" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /m" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /z" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /g" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /o" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /y" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /k" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /b" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /t" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /j" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /n" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /l" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /v" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /p" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /d" rhbas.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rhbas = "C:\\Users\\Admin\\rhbas.exe /x" rhbas.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 4864 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe 4864 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe 1828 rhbas.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4864 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe 1828 rhbas.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4864 wrote to memory of 1828 4864 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe 82 PID 4864 wrote to memory of 1828 4864 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe 82 PID 4864 wrote to memory of 1828 4864 2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.exe"C:\Users\Admin\AppData\Local\Temp\2e0dba29828413ccd3bfb82da7a869f9110d048367b281a849a01a0abb39689d.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:4864 -
C:\Users\Admin\rhbas.exe"C:\Users\Admin\rhbas.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:1828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
220KB
MD59b38952afebae932542e09d6b61fc9a0
SHA1d555c4d909ab0085dadbeb285673265d05612f02
SHA256dab560765aab7f1c515c4600d745a90bb54f57c7aed2797acd491b09794590cf
SHA512b479bddc21e8fdca03e7674f126eb33e3086ebbd86e2fe57f55d640ea7ef4a06d35dbac43129a6792e123204acd491303e1cfe14ba6cf1ad36df0f81fba36dae
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Filesize
220KB
MD59b38952afebae932542e09d6b61fc9a0
SHA1d555c4d909ab0085dadbeb285673265d05612f02
SHA256dab560765aab7f1c515c4600d745a90bb54f57c7aed2797acd491b09794590cf
SHA512b479bddc21e8fdca03e7674f126eb33e3086ebbd86e2fe57f55d640ea7ef4a06d35dbac43129a6792e123204acd491303e1cfe14ba6cf1ad36df0f81fba36dae