Analysis
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max time kernel
170s -
max time network
186s -
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 10:05
Static task
static1
Behavioral task
behavioral1
Sample
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe
Resource
win10v2004-20221111-en
General
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Target
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe
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Size
750KB
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MD5
9d6fd7dc4f96fff0534b1359eecaeacc
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SHA1
e16116d254b2e0ef49d26fb5fb04f44272963d27
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SHA256
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538
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SHA512
09923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d
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SSDEEP
12288:cyr7r4GeadGrukA67OKWHKUzhxEfYrKxT5Jx+CMuicLp0MicMwk9FbBbA:ciVWSVKyjEBxFCap0Zwk9FbS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
boxfox.exepid process 2092 boxfox.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
boxfox.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c88c43ceba7c9e3a84ec86d3587ff4f4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\boxfox.exe\" .." boxfox.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c88c43ceba7c9e3a84ec86d3587ff4f4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\boxfox.exe\" .." boxfox.exe -
Drops file in Windows directory 2 IoCs
Processes:
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exedescription ioc process File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.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 44 IoCs
Processes:
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exeboxfox.exepid process 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe 2092 boxfox.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exeboxfox.exedescription pid process Token: SeDebugPrivilege 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe Token: SeDebugPrivilege 2092 boxfox.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exeboxfox.exedescription pid process target process PID 260 wrote to memory of 2092 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe boxfox.exe PID 260 wrote to memory of 2092 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe boxfox.exe PID 260 wrote to memory of 2092 260 c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe boxfox.exe PID 2092 wrote to memory of 1596 2092 boxfox.exe netsh.exe PID 2092 wrote to memory of 1596 2092 boxfox.exe netsh.exe PID 2092 wrote to memory of 1596 2092 boxfox.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe"C:\Users\Admin\AppData\Local\Temp\c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:260 -
C:\Users\Admin\AppData\Local\Temp\boxfox.exe"C:\Users\Admin\AppData\Local\Temp\boxfox.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\boxfox.exe" "boxfox.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1596
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
750KB
MD59d6fd7dc4f96fff0534b1359eecaeacc
SHA1e16116d254b2e0ef49d26fb5fb04f44272963d27
SHA256c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538
SHA51209923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d
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Filesize
750KB
MD59d6fd7dc4f96fff0534b1359eecaeacc
SHA1e16116d254b2e0ef49d26fb5fb04f44272963d27
SHA256c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538
SHA51209923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d