Analysis
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max time kernel
139s -
max time network
185s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-07-2021 13:37
Static task
static1
Behavioral task
behavioral1
Sample
80099d016219e9682b1e217586f5cad1.exe
Resource
win7v20210410
0 signatures
0 seconds
General
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Target
80099d016219e9682b1e217586f5cad1.exe
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Size
735KB
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MD5
80099d016219e9682b1e217586f5cad1
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SHA1
1628b91051a35e7cb70fe58e2b6e9ac135e1815c
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SHA256
d7f2fddb43eb63f9246f0a4535dfcca6da2817592455d7eceaacde666cf1aaae
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SHA512
82faf680912e72f2e1b25288be9f13f1722be79f5cf4c04c46342f02a85afb2e76f1bec8f4beb729d96c802fe8b0b205ac4f133331eafccc07a4a91a18edb649
Malware Config
Extracted
Family
xpertrat
Version
3.1.9
Botnet
BXK
C2
ioxg.ix.tc:4000
Mutex
R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1508-73-0x0000000000400000-0x0000000000444000-memory.dmp xpertrat behavioral1/memory/1508-74-0x0000000000401364-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\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe" iexplore.exe -
Processes:
80099d016219e9682b1e217586f5cad1.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" 80099d016219e9682b1e217586f5cad1.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.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\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe" iexplore.exe -
Processes:
80099d016219e9682b1e217586f5cad1.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 80099d016219e9682b1e217586f5cad1.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
80099d016219e9682b1e217586f5cad1.exe80099d016219e9682b1e217586f5cad1.exedescription pid process target process PID 1104 set thread context of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 332 set thread context of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
80099d016219e9682b1e217586f5cad1.exe80099d016219e9682b1e217586f5cad1.exepid process 1104 80099d016219e9682b1e217586f5cad1.exe 1104 80099d016219e9682b1e217586f5cad1.exe 1104 80099d016219e9682b1e217586f5cad1.exe 1104 80099d016219e9682b1e217586f5cad1.exe 1104 80099d016219e9682b1e217586f5cad1.exe 1104 80099d016219e9682b1e217586f5cad1.exe 332 80099d016219e9682b1e217586f5cad1.exe 332 80099d016219e9682b1e217586f5cad1.exe 332 80099d016219e9682b1e217586f5cad1.exe 332 80099d016219e9682b1e217586f5cad1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
80099d016219e9682b1e217586f5cad1.exeiexplore.exedescription pid process Token: SeDebugPrivilege 1104 80099d016219e9682b1e217586f5cad1.exe Token: SeDebugPrivilege 1508 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
80099d016219e9682b1e217586f5cad1.exeiexplore.exepid process 332 80099d016219e9682b1e217586f5cad1.exe 1508 iexplore.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
80099d016219e9682b1e217586f5cad1.exe80099d016219e9682b1e217586f5cad1.exedescription pid process target process PID 1104 wrote to memory of 672 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 672 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 672 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 672 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 1104 wrote to memory of 332 1104 80099d016219e9682b1e217586f5cad1.exe 80099d016219e9682b1e217586f5cad1.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe PID 332 wrote to memory of 1508 332 80099d016219e9682b1e217586f5cad1.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
80099d016219e9682b1e217586f5cad1.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 80099d016219e9682b1e217586f5cad1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe"C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exeC:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exeC:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.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
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/332-70-0x00000000004010B8-mapping.dmp
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memory/332-69-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1104-59-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/1104-61-0x00000000043B0000-0x00000000043B1000-memory.dmpFilesize
4KB
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memory/1104-62-0x0000000004460000-0x00000000044BB000-memory.dmpFilesize
364KB
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memory/1104-67-0x0000000005BE0000-0x0000000005C3E000-memory.dmpFilesize
376KB
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memory/1104-68-0x00000000043B5000-0x00000000043C6000-memory.dmpFilesize
68KB
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memory/1508-73-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/1508-74-0x0000000000401364-mapping.dmp
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memory/1508-75-0x0000000000620000-0x0000000000773000-memory.dmpFilesize
1.3MB
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memory/1508-78-0x0000000075EF1000-0x0000000075EF3000-memory.dmpFilesize
8KB