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Analysis
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max time kernel
155s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 22:47
Static task
static1
Behavioral task
behavioral1
Sample
bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe
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Size
248KB
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MD5
b43a81fea8adba145c3afb9aebc5ca0a
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SHA1
64e72ed7ae7de7e865fc20f90ca9acfe42a61a74
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SHA256
bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929
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SHA512
27ac3c69b2e7db7b81314ddaa5bdee0288d2ff4cc3587de8c9264be6ec3de084ab0af8c311ca5330f7f1672bbf691b56fb46c482d26e7190c685fdbe548fb1aa
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SSDEEP
6144:wKB56UxwGQpNnVN8KqzeLM+8MvrLHHx5SQlibjXGWNkolay4p4bH8uO:uHpNnlPICrDS0ibLG/l
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" bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuoaci.exe -
Executes dropped EXE 1 IoCs
pid Process 4952 tuoaci.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 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /p" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /X" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /s" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /Y" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /E" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /T" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /k" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /m" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /L" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /l" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /w" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /G" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /r" bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /o" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /H" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /g" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /A" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /F" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /J" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /c" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /P" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /R" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /B" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /D" tuoaci.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /i" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /b" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /V" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /u" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /j" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /q" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /C" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /Q" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /S" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /N" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /K" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /a" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /t" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /Z" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /I" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /W" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /h" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /e" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /v" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /x" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /O" tuoaci.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /M" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /z" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /n" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /r" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /d" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /y" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /U" tuoaci.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuoaci = "C:\\Users\\Admin\\tuoaci.exe /f" tuoaci.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 4848 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe 4848 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe 4952 tuoaci.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4848 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe 4952 tuoaci.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4848 wrote to memory of 4952 4848 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe 81 PID 4848 wrote to memory of 4952 4848 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe 81 PID 4848 wrote to memory of 4952 4848 bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.exe"C:\Users\Admin\AppData\Local\Temp\bb8b46dd59001b84f72a65bc93f40e38a9efe21cb8b20ae9d92999ea86009929.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:4848 -
C:\Users\Admin\tuoaci.exe"C:\Users\Admin\tuoaci.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:4952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD5ebdb7c70b33745803437d6dfcf67382b
SHA19e2b4796783a4bb41dc38a0eeff8051e9c9cf50a
SHA256475da5cfe2272a5de2232b92b41b4d52dcf9d5c744b8861a3c59298cdfab9ce9
SHA512dc3dcc13328aca4f81b7998fbd7ca2437cfe6716bcaa686245fc3e2aa7c8ce40754348e723fac192b9f63fd89f0f5fe54bc599331ddc87fec8f028e63ce2f973
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Filesize
248KB
MD5ebdb7c70b33745803437d6dfcf67382b
SHA19e2b4796783a4bb41dc38a0eeff8051e9c9cf50a
SHA256475da5cfe2272a5de2232b92b41b4d52dcf9d5c744b8861a3c59298cdfab9ce9
SHA512dc3dcc13328aca4f81b7998fbd7ca2437cfe6716bcaa686245fc3e2aa7c8ce40754348e723fac192b9f63fd89f0f5fe54bc599331ddc87fec8f028e63ce2f973