Analysis
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max time kernel
146s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 18:42
Static task
static1
Behavioral task
behavioral1
Sample
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
Resource
win10v2004-20221111-en
General
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Target
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
-
Size
271KB
-
MD5
1514152688866b1eae165bfebf7b408e
-
SHA1
316f8aba4dc64b464efe441c499563f8d02b883a
-
SHA256
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66
-
SHA512
fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37
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SSDEEP
6144:WHJ6wjeVXWsGelxHfbL+CXXcl+cB4+MbscpPiQCmXA:WDjeVr1D6jRtTmw
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 4 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\joi9261.tmp acprotect C:\Users\Admin\AppData\Local\Temp\joi9261.tmp acprotect C:\Users\Admin\AppData\Local\Temp\igi3F56.tmp acprotect C:\Users\Admin\AppData\Local\Temp\igi3F56.tmp acprotect -
Executes dropped EXE 1 IoCs
Processes:
Windefend.exepid process 1836 Windefend.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe -
Loads dropped DLL 4 IoCs
Processes:
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exeWindefend.exepid process 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe 1836 Windefend.exe 1836 Windefend.exe -
Drops file in System32 directory 2 IoCs
Processes:
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exedescription ioc process File created C:\Windows\SysWOW64\Windefend.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe File opened for modification C:\Windows\SysWOW64\Windefend.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exedescription pid process target process PID 4516 set thread context of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exeWindefend.exepid process 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe 1836 Windefend.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exec2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exedescription pid process target process PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4516 wrote to memory of 4784 4516 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe PID 4784 wrote to memory of 1836 4784 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe Windefend.exe PID 4784 wrote to memory of 1836 4784 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe Windefend.exe PID 4784 wrote to memory of 1836 4784 c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe Windefend.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe"C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exeC:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe2⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\Windefend.exe"C:\Windows\system32\Windefend.exe" rem "C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1836
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9
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Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9
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Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9
-
Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9
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Filesize
271KB
MD51514152688866b1eae165bfebf7b408e
SHA1316f8aba4dc64b464efe441c499563f8d02b883a
SHA256c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66
SHA512fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37
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Filesize
271KB
MD51514152688866b1eae165bfebf7b408e
SHA1316f8aba4dc64b464efe441c499563f8d02b883a
SHA256c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66
SHA512fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37