Analysis
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max time kernel
38s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-10-2022 11:29
Static task
static1
Behavioral task
behavioral1
Sample
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe
Resource
win10v2004-20220812-en
General
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Target
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe
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Size
40KB
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MD5
62bedc5f2ef935610f1d8ec6b9dfa166
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SHA1
acb672a463ef33124fac180f021011c913faeb56
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SHA256
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72
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SHA512
ba763b089f958aa41fdc2656368fd32e04ce5314186f0e2286bf16f3dfef07c5d4936866fb6255a00d6d933720d52f9e67e5f8b577b3964a6af5c8a2e073d5fa
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SSDEEP
768:/Agidi9UGDrbAg705I8je2OvTMnSxFnPsceK:/AgiFmFEceK
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 1488 takeown.exe 1988 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 1488 takeown.exe 1988 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\mmQ = "C:\\Windows\\system32\\vaqa.exe" 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe -
Drops file in System32 directory 2 IoCs
Processes:
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exedescription ioc process File created C:\Windows\SysWOW64\vaqa.exe 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe File opened for modification C:\Windows\SysWOW64\vaqa.exe 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exepid process 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exedescription pid process target process PID 904 wrote to memory of 1488 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe takeown.exe PID 904 wrote to memory of 1488 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe takeown.exe PID 904 wrote to memory of 1488 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe takeown.exe PID 904 wrote to memory of 1488 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe takeown.exe PID 904 wrote to memory of 1988 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe icacls.exe PID 904 wrote to memory of 1988 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe icacls.exe PID 904 wrote to memory of 1988 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe icacls.exe PID 904 wrote to memory of 1988 904 9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe"C:\Users\Admin\AppData\Local\Temp\9f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "C:\Windows\system32\vaqa.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "C:\Windows\system32\vaqa.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\vaqa.exeFilesize
40KB
MD562bedc5f2ef935610f1d8ec6b9dfa166
SHA1acb672a463ef33124fac180f021011c913faeb56
SHA2569f0de5f33609d42e70fe54f1d4c1ddce153bd5ee06193228606179d4679cca72
SHA512ba763b089f958aa41fdc2656368fd32e04ce5314186f0e2286bf16f3dfef07c5d4936866fb6255a00d6d933720d52f9e67e5f8b577b3964a6af5c8a2e073d5fa
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memory/1488-56-0x0000000000000000-mapping.dmp
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memory/1988-57-0x0000000000000000-mapping.dmp