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Analysis
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max time kernel
152s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12/10/2022, 14:58
Static task
static1
Behavioral task
behavioral1
Sample
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe
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Size
232KB
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MD5
6e6eb7208612f6a62db6d762e232460a
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SHA1
331283b80c2e7ac4f967668a36c0499ffbd77d89
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SHA256
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b
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SHA512
dfc6e150bd552bc5d3c4fa6d886d0bddb2a194e49406c636481bee608adb05e5a423404177c3b5968fe9c7d46935c4e226987d74078e8bbe95d6ee374f8fc69c
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SSDEEP
3072:YD64wfWRrIMNRlZ62Pal2LBJXmzOHm5WZ3K+MCRfFqTcWEyxeL2mDHLz/5L5DErG:G6zepp3PJXCOGY3eWfFRFyMdL5DEr6U8
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kpbif.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe -
Executes dropped EXE 1 IoCs
pid Process 1296 kpbif.exe -
Loads dropped DLL 2 IoCs
pid Process 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /q" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /e" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /c" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /o" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /m" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /j" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /i" kpbif.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /b" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /n" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /t" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /k" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /f" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /a" d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /a" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /z" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /d" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /p" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /h" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /v" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /l" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /u" kpbif.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /w" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /r" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /y" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /x" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /s" kpbif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kpbif = "C:\\Users\\Admin\\kpbif.exe /g" kpbif.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 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe 1296 kpbif.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 1296 kpbif.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1296 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 27 PID 2016 wrote to memory of 1296 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 27 PID 2016 wrote to memory of 1296 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 27 PID 2016 wrote to memory of 1296 2016 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe"C:\Users\Admin\AppData\Local\Temp\d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.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:2016 -
C:\Users\Admin\kpbif.exe"C:\Users\Admin\kpbif.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:1296
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD571ab74e9bc36dddd217f56b15daab3a4
SHA1bebf9929b6624443d1385dab245bd3c39c6e1090
SHA256b8ed9e19b6d6392275ffd8a86354c1e0c10530f0151d6de37a195a413b2cd15c
SHA5126bec6db9aaad425fb4b3de4079938aaa35cf51705cee19bd4121022d10d20d292351eb630e71706f5ec38b74169febd5baccd8c03a746eb1c4c4bba2bb402b45
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Filesize
232KB
MD571ab74e9bc36dddd217f56b15daab3a4
SHA1bebf9929b6624443d1385dab245bd3c39c6e1090
SHA256b8ed9e19b6d6392275ffd8a86354c1e0c10530f0151d6de37a195a413b2cd15c
SHA5126bec6db9aaad425fb4b3de4079938aaa35cf51705cee19bd4121022d10d20d292351eb630e71706f5ec38b74169febd5baccd8c03a746eb1c4c4bba2bb402b45
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Filesize
232KB
MD571ab74e9bc36dddd217f56b15daab3a4
SHA1bebf9929b6624443d1385dab245bd3c39c6e1090
SHA256b8ed9e19b6d6392275ffd8a86354c1e0c10530f0151d6de37a195a413b2cd15c
SHA5126bec6db9aaad425fb4b3de4079938aaa35cf51705cee19bd4121022d10d20d292351eb630e71706f5ec38b74169febd5baccd8c03a746eb1c4c4bba2bb402b45
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Filesize
232KB
MD571ab74e9bc36dddd217f56b15daab3a4
SHA1bebf9929b6624443d1385dab245bd3c39c6e1090
SHA256b8ed9e19b6d6392275ffd8a86354c1e0c10530f0151d6de37a195a413b2cd15c
SHA5126bec6db9aaad425fb4b3de4079938aaa35cf51705cee19bd4121022d10d20d292351eb630e71706f5ec38b74169febd5baccd8c03a746eb1c4c4bba2bb402b45