Analysis
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max time kernel
37s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28-10-2022 23:02
Static task
static1
Behavioral task
behavioral1
Sample
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe
Resource
win10v2004-20220812-en
General
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Target
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe
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Size
36KB
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MD5
0c3a356abef9c4af054c3f12f8994920
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SHA1
cf16d9187ac1e38181de60da74d7249b4a9c49d4
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SHA256
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22
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SHA512
60a1172ca4587719f80bd62a28dc2b59803b9ce18547b635d03f71f9d280962c26346ddddb9e4eacc47c6e9006b67bbae9fe2d8244d59f4577654d3a58efd317
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SSDEEP
768:/FkyFv0ZexjUjfYzsEHXLeKorAQCvGjlJ:/FT0rsHq/jlJ
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 2020 takeown.exe 984 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 2020 takeown.exe 984 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TPDFy = "C:\\Windows\\system32\\azoy.exe" b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe -
Drops file in System32 directory 2 IoCs
Processes:
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exedescription ioc process File opened for modification C:\Windows\SysWOW64\azoy.exe b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe File created C:\Windows\SysWOW64\azoy.exe b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exepid process 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exedescription pid process target process PID 1672 wrote to memory of 2020 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe takeown.exe PID 1672 wrote to memory of 2020 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe takeown.exe PID 1672 wrote to memory of 2020 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe takeown.exe PID 1672 wrote to memory of 2020 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe takeown.exe PID 1672 wrote to memory of 984 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe icacls.exe PID 1672 wrote to memory of 984 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe icacls.exe PID 1672 wrote to memory of 984 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe icacls.exe PID 1672 wrote to memory of 984 1672 b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe"C:\Users\Admin\AppData\Local\Temp\b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "C:\Windows\system32\azoy.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2020 -
C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "C:\Windows\system32\azoy.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:984
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\azoy.exeFilesize
36KB
MD50c3a356abef9c4af054c3f12f8994920
SHA1cf16d9187ac1e38181de60da74d7249b4a9c49d4
SHA256b9ca1cf16954d9acd6df231bc5907c881afd2b91a5e3547c551fe4e9b657fc22
SHA51260a1172ca4587719f80bd62a28dc2b59803b9ce18547b635d03f71f9d280962c26346ddddb9e4eacc47c6e9006b67bbae9fe2d8244d59f4577654d3a58efd317
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memory/984-57-0x0000000000000000-mapping.dmp
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memory/2020-56-0x0000000000000000-mapping.dmp