Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
17-11-2020 12:21
Static task
static1
Behavioral task
behavioral1
Sample
95aa92ec032cf7b52020f9174c77e66d.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
95aa92ec032cf7b52020f9174c77e66d.exe
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Size
1.8MB
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MD5
95aa92ec032cf7b52020f9174c77e66d
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SHA1
b4b15beb08b310b451ccd8374f94fe817b2c28e5
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SHA256
e4324629a9700691321d6212152a1c2080bc3422bda11c8173633744c753a122
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SHA512
ca8e6e16375853698bdddf482c6937b99e6262baa7d4334bb9b2fe100d5a5409bd726a421a56d5dee764a8da0509a8a8421d6f3603d8a8d228a64eff400b3dab
Malware Config
Extracted
Family
xpertrat
Version
3.0.10
Botnet
Test
C2
79.134.225.47:4576
79.134.225.47:7583
Mutex
W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1
Signatures
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XpertRAT Core Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3100-14-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral2/memory/3100-15-0x0000000000401364-mapping.dmp xpertrat behavioral2/memory/3100-16-0x0000000000400000-0x0000000000443000-memory.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\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1 = "C:\\Users\\Admin\\AppData\\Roaming\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1.exe" iexplore.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 4196 notepad.exe -
Processes:
95aa92ec032cf7b52020f9174c77e66d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 95aa92ec032cf7b52020f9174c77e66d.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1 = "C:\\Users\\Admin\\AppData\\Roaming\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1.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\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1 = "C:\\Users\\Admin\\AppData\\Roaming\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1.exe" iexplore.exe -
Processes:
95aa92ec032cf7b52020f9174c77e66d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 95aa92ec032cf7b52020f9174c77e66d.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
95aa92ec032cf7b52020f9174c77e66d.exe95aa92ec032cf7b52020f9174c77e66d.exedescription pid process target process PID 4760 set thread context of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 3264 set thread context of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
95aa92ec032cf7b52020f9174c77e66d.exepid process 3264 95aa92ec032cf7b52020f9174c77e66d.exe 3264 95aa92ec032cf7b52020f9174c77e66d.exe 3264 95aa92ec032cf7b52020f9174c77e66d.exe 3264 95aa92ec032cf7b52020f9174c77e66d.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
95aa92ec032cf7b52020f9174c77e66d.exeiexplore.exedescription pid process Token: SeDebugPrivilege 4760 95aa92ec032cf7b52020f9174c77e66d.exe Token: SeDebugPrivilege 3100 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
95aa92ec032cf7b52020f9174c77e66d.exeiexplore.exepid process 3264 95aa92ec032cf7b52020f9174c77e66d.exe 3100 iexplore.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
95aa92ec032cf7b52020f9174c77e66d.exe95aa92ec032cf7b52020f9174c77e66d.exeiexplore.exedescription pid process target process PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 4760 wrote to memory of 3264 4760 95aa92ec032cf7b52020f9174c77e66d.exe 95aa92ec032cf7b52020f9174c77e66d.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3264 wrote to memory of 3100 3264 95aa92ec032cf7b52020f9174c77e66d.exe iexplore.exe PID 3100 wrote to memory of 4196 3100 iexplore.exe notepad.exe PID 3100 wrote to memory of 4196 3100 iexplore.exe notepad.exe PID 3100 wrote to memory of 4196 3100 iexplore.exe notepad.exe PID 3100 wrote to memory of 4196 3100 iexplore.exe notepad.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
95aa92ec032cf7b52020f9174c77e66d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 95aa92ec032cf7b52020f9174c77e66d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"2⤵
- 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:3264 -
C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.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:3100 -
C:\Windows\SysWOW64\notepad.exenotepad.exe4⤵
- Deletes itself
PID:4196