Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
04-10-2021 08:02
Static task
static1
General
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Target
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe
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Size
12KB
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MD5
2cb032be3ffbf1a86e75669f6ff3e088
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SHA1
bd801dff881983fad20212b5ee5cb7cc65845bf5
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SHA256
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9
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SHA512
1d0cae94138772ffb87823012e88631ae531720aa0225e30cf298ed0b2326c17c41c64edd9002026eef552a91664edcfcce69b0d3480e44e21b95e7fc7158726
Malware Config
Extracted
Family
xpertrat
Version
3.0.10
Botnet
Test
C2
kapasky-antivirus.firewall-gateway.net:4000
Mutex
L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/4092-124-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral1/memory/4092-125-0x0000000000401364-mapping.dmp xpertrat -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe" iexplore.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 4064 notepad.exe -
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe -
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exedescription pid process target process PID 1400 set thread context of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 3224 set thread context of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exepid process 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exeiexplore.exedescription pid process Token: SeDebugPrivilege 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe Token: SeDebugPrivilege 4092 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exeiexplore.exepid process 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 4092 iexplore.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exeiexplore.exedescription pid process target process PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 1400 wrote to memory of 3224 1400 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 3224 wrote to memory of 4092 3224 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe iexplore.exe PID 4092 wrote to memory of 4064 4092 iexplore.exe notepad.exe PID 4092 wrote to memory of 4064 4092 iexplore.exe notepad.exe PID 4092 wrote to memory of 4064 4092 iexplore.exe notepad.exe PID 4092 wrote to memory of 4064 4092 iexplore.exe notepad.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe"C:\Users\Admin\AppData\Local\Temp\5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Users\Admin\AppData\Local\Temp\5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exeC:\Users\Admin\AppData\Local\Temp\5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3224 -
C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\5bdc764598795f4afcb70f6ff95f29114f61ea24a1d836838125c08268e13de9.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\notepad.exenotepad.exe4⤵
- Deletes itself
PID:4064