Analysis
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max time kernel
37s -
max time network
130s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
30-06-2021 00:03
Static task
static1
Behavioral task
behavioral1
Sample
dc2492ebf0fca4a52c41433c0e289750.exe
Resource
win7v20210408
General
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Target
dc2492ebf0fca4a52c41433c0e289750.exe
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Size
887KB
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MD5
dc2492ebf0fca4a52c41433c0e289750
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SHA1
00c52f686027dc00d98b1aad58e074bcfd92f765
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SHA256
79aa4d81cf5455a126a2b7474067f392acc392370fa6ae0a62f7e1e0271775c2
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SHA512
4ea3f881fd61a0b34b723cf3e0f91ab88aed1561d0de1156c83c438e34d214950433fe616a7f57e50034ab72c1acdece1b734be06a4e79bcecb5e3dbcc1bb3ae
Malware Config
Extracted
xpertrat
3.0.10
special X
mertrerfeyy.duckdns.org:8494
gwtruwhgw.duckdns.org:8494
dfgrttuutii.duckdns.org:8494
M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1348-128-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral2/memory/1348-129-0x0000000000401364-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\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" iexplore.exe -
Processes:
dc2492ebf0fca4a52c41433c0e289750.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" dc2492ebf0fca4a52c41433c0e289750.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.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\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" iexplore.exe -
Processes:
dc2492ebf0fca4a52c41433c0e289750.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" dc2492ebf0fca4a52c41433c0e289750.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
dc2492ebf0fca4a52c41433c0e289750.exedc2492ebf0fca4a52c41433c0e289750.exedescription pid process target process PID 4056 set thread context of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 3540 set thread context of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
dc2492ebf0fca4a52c41433c0e289750.exedc2492ebf0fca4a52c41433c0e289750.exepid process 4056 dc2492ebf0fca4a52c41433c0e289750.exe 4056 dc2492ebf0fca4a52c41433c0e289750.exe 3540 dc2492ebf0fca4a52c41433c0e289750.exe 3540 dc2492ebf0fca4a52c41433c0e289750.exe 3540 dc2492ebf0fca4a52c41433c0e289750.exe 3540 dc2492ebf0fca4a52c41433c0e289750.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
dc2492ebf0fca4a52c41433c0e289750.exeiexplore.exedescription pid process Token: SeDebugPrivilege 4056 dc2492ebf0fca4a52c41433c0e289750.exe Token: SeDebugPrivilege 1348 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
dc2492ebf0fca4a52c41433c0e289750.exeiexplore.exepid process 3540 dc2492ebf0fca4a52c41433c0e289750.exe 1348 iexplore.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
dc2492ebf0fca4a52c41433c0e289750.exedc2492ebf0fca4a52c41433c0e289750.exedescription pid process target process PID 4056 wrote to memory of 3524 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3524 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3524 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 4056 wrote to memory of 3540 4056 dc2492ebf0fca4a52c41433c0e289750.exe dc2492ebf0fca4a52c41433c0e289750.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe PID 3540 wrote to memory of 1348 3540 dc2492ebf0fca4a52c41433c0e289750.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
dc2492ebf0fca4a52c41433c0e289750.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" dc2492ebf0fca4a52c41433c0e289750.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dc2492ebf0fca4a52c41433c0e289750.exe"C:\Users\Admin\AppData\Local\Temp\dc2492ebf0fca4a52c41433c0e289750.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\dc2492ebf0fca4a52c41433c0e289750.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\dc2492ebf0fca4a52c41433c0e289750.exe"{path}"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
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\dc2492ebf0fca4a52c41433c0e289750.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/1348-134-0x00000000031B1000-0x00000000032AD000-memory.dmpFilesize
1008KB
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memory/1348-133-0x00000000031B0000-0x0000000003303000-memory.dmpFilesize
1.3MB
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memory/1348-129-0x0000000000401364-mapping.dmp
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memory/1348-128-0x0000000000400000-0x0000000000443000-memory.dmpFilesize
268KB
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memory/3540-124-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/3540-130-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/3540-125-0x00000000004010B8-mapping.dmp
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memory/4056-119-0x0000000004A80000-0x0000000004A81000-memory.dmpFilesize
4KB
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memory/4056-123-0x000000000AA30000-0x000000000AA5F000-memory.dmpFilesize
188KB
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memory/4056-122-0x0000000008280000-0x00000000082FD000-memory.dmpFilesize
500KB
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memory/4056-121-0x0000000005070000-0x0000000005072000-memory.dmpFilesize
8KB
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memory/4056-120-0x0000000004BB0000-0x00000000050AE000-memory.dmpFilesize
5.0MB
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memory/4056-114-0x0000000000160000-0x0000000000161000-memory.dmpFilesize
4KB
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memory/4056-118-0x0000000004BB0000-0x0000000004BB1000-memory.dmpFilesize
4KB
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memory/4056-117-0x0000000004AA0000-0x0000000004AA1000-memory.dmpFilesize
4KB
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memory/4056-116-0x00000000050B0000-0x00000000050B1000-memory.dmpFilesize
4KB