Analysis
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max time kernel
135s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2023 11:17
Static task
static1
Behavioral task
behavioral1
Sample
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe
Resource
win7-20230831-en
General
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Target
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe
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Size
795KB
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MD5
102dfca73df9a539a34b886349365381
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SHA1
35b90a9ae3dc136502102017c0488c5fc028eae1
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SHA256
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9
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SHA512
4335a75a836ebb5c9f589d36bd9b96fa6c3c751ff37caf23805317cdd5082fef0fb3ed198ebdb90cde6e9700d4b0ede2233b6bab8cb421d193c1099510733316
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SSDEEP
12288:Q84kSMdr3GNUAn9cNNeX8X/iTS46omh7lZyxa6A0KG384C26ygrxNU4Jpth9+8PZ:Q8fUc6ApGLC7ysxD1d/4e
Malware Config
Extracted
xpertrat
3.0.10
STRIGIO
sandshoe.myfirewall.org:5344
I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4
Signatures
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Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe -
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe -
XpertRAT Core payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4692-19-0x0000000000400000-0x0000000000443000-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\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4.exe" iexplore.exe -
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4.exe" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4.exe" iexplore.exe -
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription pid process target process PID 2916 set thread context of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 824 set thread context of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exepid process 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
iexplore.exedescription pid process Token: SeDebugPrivilege 4692 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exeiexplore.exepid process 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 4692 iexplore.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription pid process target process PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 2916 wrote to memory of 824 2916 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe PID 824 wrote to memory of 4692 824 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe"C:\Users\Admin\AppData\Local\Temp\27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe"C:\Users\Admin\AppData\Local\Temp\27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.exe"2⤵
- UAC bypass
- Windows security bypass
- 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\27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9.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 v13
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
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memory/824-12-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/824-26-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/824-15-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/2916-4-0x0000000074FD0000-0x0000000075780000-memory.dmpFilesize
7.7MB
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memory/2916-10-0x00000000015F0000-0x000000000165C000-memory.dmpFilesize
432KB
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memory/2916-5-0x0000000005810000-0x0000000005820000-memory.dmpFilesize
64KB
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memory/2916-6-0x00000000055F0000-0x00000000055FA000-memory.dmpFilesize
40KB
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memory/2916-7-0x0000000005810000-0x0000000005820000-memory.dmpFilesize
64KB
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memory/2916-8-0x00000000057C0000-0x00000000057D8000-memory.dmpFilesize
96KB
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memory/2916-9-0x00000000011E0000-0x00000000011EA000-memory.dmpFilesize
40KB
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memory/2916-0-0x0000000074FD0000-0x0000000075780000-memory.dmpFilesize
7.7MB
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memory/2916-11-0x000000000DE50000-0x000000000DEEC000-memory.dmpFilesize
624KB
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memory/2916-3-0x0000000005630000-0x00000000056C2000-memory.dmpFilesize
584KB
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memory/2916-2-0x0000000005B40000-0x00000000060E4000-memory.dmpFilesize
5.6MB
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memory/2916-18-0x0000000074FD0000-0x0000000075780000-memory.dmpFilesize
7.7MB
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memory/2916-1-0x0000000000B20000-0x0000000000BEC000-memory.dmpFilesize
816KB
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memory/4692-19-0x0000000000400000-0x0000000000443000-memory.dmpFilesize
268KB