Analysis
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max time kernel
189s -
max time network
194s -
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, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe
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Size
116KB
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MD5
1569dc95102fc5ae8a11e93bcde2e3d0
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SHA1
7a00fe2683b19bf48d22cd78692526211e88081f
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SHA256
f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d
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SHA512
fc6116b842ba4fc7de4066537ea01fc4348866af3fe42b07c609e7357791217065a9eca479c0115c0fa9deade637abe5cca993028f55d2abfa8df4cc5ed96ead
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SSDEEP
3072:0vt9PMgsBapRyr2cdaxnyMx/6SYl7kaG7cX2P:W9kgs4g6ryybqu
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kakoz.exe -
Executes dropped EXE 2 IoCs
pid Process 1508 kakoz.exe 4168 kakoz.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /m" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /q" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /e" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /s" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /b" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /r" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /j" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /c" f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /i" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /f" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /d" kakoz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /h" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /g" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /l" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /v" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /a" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /o" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /k" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /x" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /u" kakoz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /p" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /y" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /c" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /t" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /w" kakoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kakoz = "C:\\Users\\Admin\\kakoz.exe /n" kakoz.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum kakoz.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 kakoz.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf kakoz.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5096 set thread context of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 1508 set thread context of 4168 1508 kakoz.exe 81 -
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 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 4848 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe 4168 kakoz.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 4848 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 1508 kakoz.exe 4168 kakoz.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 5096 wrote to memory of 4848 5096 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 79 PID 4848 wrote to memory of 1508 4848 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 80 PID 4848 wrote to memory of 1508 4848 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 80 PID 4848 wrote to memory of 1508 4848 f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe 80 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81 PID 1508 wrote to memory of 4168 1508 kakoz.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe"C:\Users\Admin\AppData\Local\Temp\f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Users\Admin\AppData\Local\Temp\f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Users\Admin\kakoz.exe"C:\Users\Admin\kakoz.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Users\Admin\kakoz.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4168
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD51569dc95102fc5ae8a11e93bcde2e3d0
SHA17a00fe2683b19bf48d22cd78692526211e88081f
SHA256f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d
SHA512fc6116b842ba4fc7de4066537ea01fc4348866af3fe42b07c609e7357791217065a9eca479c0115c0fa9deade637abe5cca993028f55d2abfa8df4cc5ed96ead
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Filesize
116KB
MD51569dc95102fc5ae8a11e93bcde2e3d0
SHA17a00fe2683b19bf48d22cd78692526211e88081f
SHA256f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d
SHA512fc6116b842ba4fc7de4066537ea01fc4348866af3fe42b07c609e7357791217065a9eca479c0115c0fa9deade637abe5cca993028f55d2abfa8df4cc5ed96ead
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Filesize
116KB
MD51569dc95102fc5ae8a11e93bcde2e3d0
SHA17a00fe2683b19bf48d22cd78692526211e88081f
SHA256f1b684bd06a5534075401cb77ccb78d2415b4745c83670488d97e6bd0d15c89d
SHA512fc6116b842ba4fc7de4066537ea01fc4348866af3fe42b07c609e7357791217065a9eca479c0115c0fa9deade637abe5cca993028f55d2abfa8df4cc5ed96ead