Analysis
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max time kernel
151s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 16:20
Static task
static1
Behavioral task
behavioral1
Sample
3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe
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Size
160KB
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MD5
83c8e201413515d9b62da74d9c927590
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SHA1
3471bbe169ce59f8013746fc0fc967bb6ea62574
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SHA256
3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289
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SHA512
abc965e4b30da9efdea8e0ff811af07e3a6b4ab7e4b85fdb8e237809e81c7db06924ed6f69b873e3e86e446e1e596715ad25053befc61467fb1d9a604212e61c
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SSDEEP
3072:eGzsrB6oe5g+GwJs8K9YUoIrJaRuSZ/JlQPj/PYv2wM0B2vmkHgHAGFAhl4oQZi3:eGwrnP9YErMRuSZ/JlQLHYv2PvzGAMAb
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" 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" peikeem.exe -
Executes dropped EXE 1 IoCs
pid Process 2036 peikeem.exe -
Loads dropped DLL 2 IoCs
pid Process 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /D" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /a" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /U" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /Q" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /B" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /A" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /w" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /L" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /h" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /b" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /G" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /I" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /T" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /F" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /e" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /X" peikeem.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /t" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /m" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /q" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /z" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /K" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /f" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /o" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /P" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /x" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /p" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /l" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /O" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /E" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /d" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /j" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /S" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /N" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /n" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /T" 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /Y" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /H" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /g" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /i" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /s" peikeem.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /M" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /k" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /y" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /v" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /J" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /Z" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /W" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /C" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /V" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /c" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /r" peikeem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peikeem = "C:\\Users\\Admin\\peikeem.exe /u" peikeem.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 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe 2036 peikeem.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 2036 peikeem.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1672 wrote to memory of 2036 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 28 PID 1672 wrote to memory of 2036 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 28 PID 1672 wrote to memory of 2036 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 28 PID 1672 wrote to memory of 2036 1672 3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.exe"C:\Users\Admin\AppData\Local\Temp\3722255efbce29df84d1b0d3a124575bca56e3467ed3ce1ee5571b7fd44c9289.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:1672 -
C:\Users\Admin\peikeem.exe"C:\Users\Admin\peikeem.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:2036
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
160KB
MD5847d9b83b40e15b1fa1f8a221e89ec1f
SHA144c93a51912c2b8da8e5bfd816b5450797de49e1
SHA256a90e3d2512c8225836c5045094062106c9a02a37245db14c39c5a6ec71803c11
SHA512628ea5ef1d3e9e783bf763d2207d1da5c516a3d9ec7d76862282a67f88b8c2ad3acf5a1e02839c59f02cf6443503f1bda59b73db58d6e6fb48cd5b3792e7be27
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Filesize
160KB
MD5847d9b83b40e15b1fa1f8a221e89ec1f
SHA144c93a51912c2b8da8e5bfd816b5450797de49e1
SHA256a90e3d2512c8225836c5045094062106c9a02a37245db14c39c5a6ec71803c11
SHA512628ea5ef1d3e9e783bf763d2207d1da5c516a3d9ec7d76862282a67f88b8c2ad3acf5a1e02839c59f02cf6443503f1bda59b73db58d6e6fb48cd5b3792e7be27
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Filesize
160KB
MD5847d9b83b40e15b1fa1f8a221e89ec1f
SHA144c93a51912c2b8da8e5bfd816b5450797de49e1
SHA256a90e3d2512c8225836c5045094062106c9a02a37245db14c39c5a6ec71803c11
SHA512628ea5ef1d3e9e783bf763d2207d1da5c516a3d9ec7d76862282a67f88b8c2ad3acf5a1e02839c59f02cf6443503f1bda59b73db58d6e6fb48cd5b3792e7be27
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Filesize
160KB
MD5847d9b83b40e15b1fa1f8a221e89ec1f
SHA144c93a51912c2b8da8e5bfd816b5450797de49e1
SHA256a90e3d2512c8225836c5045094062106c9a02a37245db14c39c5a6ec71803c11
SHA512628ea5ef1d3e9e783bf763d2207d1da5c516a3d9ec7d76862282a67f88b8c2ad3acf5a1e02839c59f02cf6443503f1bda59b73db58d6e6fb48cd5b3792e7be27