Analysis
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max time kernel
139s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28-01-2024 01:53
Static task
static1
Behavioral task
behavioral1
Sample
7bd819e07f179d3f264d22ff7f6a44d5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
7bd819e07f179d3f264d22ff7f6a44d5.exe
Resource
win10v2004-20231215-en
General
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Target
7bd819e07f179d3f264d22ff7f6a44d5.exe
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Size
136KB
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MD5
7bd819e07f179d3f264d22ff7f6a44d5
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SHA1
3f21e20ab76637efcfb1cd66cd24fed2b736861a
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SHA256
ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d
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SHA512
2cff9b4d7af480ed540b40a2a48e095f03a286260d1bebbfae3df214ca2786e64dfbcf9b3199ce613aec52d6a8c99f4dceda33d9c5e3a074539d919af64e89ee
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SSDEEP
1536:AD3gWHwUr2vj+KW3xkeIpituP4B3DZTdS/UwgdRSiSgKM435Sl9UAMfbX37n:AD3ejTittR1dSMwqSiuM4z9r
Malware Config
Extracted
xtremerat
explosive.zapto.org
Создаexplosive.zapto.org
Signatures
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Detect XtremeRAT payload 9 IoCs
resource yara_rule behavioral2/memory/2312-3-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/2312-4-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/4372-5-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3888-6-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/2312-7-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3888-10-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3888-11-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/4372-12-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3888-13-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5}\StubPath = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe restart" svchost.exe -
resource yara_rule behavioral2/memory/2312-0-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/2312-2-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/2312-3-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/2312-4-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/4372-5-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3888-6-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/2312-7-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3888-10-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3888-11-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/4372-12-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3888-13-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemRestore Profile = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rHDaud Driver = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2760 set thread context of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SystemDrivers\rHDaudDriv.exe svchost.exe File created C:\Windows\SystemDrivers\rHDaudDriv.exe svchost.exe File opened for modification C:\Windows\SystemDrivers\ svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 4 IoCs
pid pid_target Process procid_target 4980 3888 WerFault.exe 91 1560 4372 WerFault.exe 90 3240 4372 WerFault.exe 90 3020 3888 WerFault.exe 91 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3888 svchost.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2760 wrote to memory of 2312 2760 7bd819e07f179d3f264d22ff7f6a44d5.exe 89 PID 2312 wrote to memory of 4372 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 90 PID 2312 wrote to memory of 4372 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 90 PID 2312 wrote to memory of 4372 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 90 PID 2312 wrote to memory of 4372 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 90 PID 2312 wrote to memory of 3888 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 91 PID 2312 wrote to memory of 3888 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 91 PID 2312 wrote to memory of 3888 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 91 PID 2312 wrote to memory of 3888 2312 7bd819e07f179d3f264d22ff7f6a44d5.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:4372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 4804⤵
- Program crash
PID:1560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 4884⤵
- Program crash
PID:3240
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C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:3888 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 9764⤵
- Program crash
PID:4980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 9884⤵
- Program crash
PID:3020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 43721⤵PID:3748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3888 -ip 38881⤵PID:4024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4372 -ip 43721⤵PID:4780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3888 -ip 38881⤵PID:5000