Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 behavioral1/memory/2156-8-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2156-9-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2872-12-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2384-15-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2384-20-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2156-16-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2384-21-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2872-23-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2384-24-0x0000000010000000-0x000000001004D000-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 4 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 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" svchost.exe -
resource yara_rule behavioral1/memory/2156-1-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2156-2-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2156-5-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2156-8-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2156-7-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2156-9-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2872-12-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2384-15-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2384-20-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2156-16-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2384-21-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2872-23-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2384-24-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 5 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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemRestore Profile = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\rHDaud Driver = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" svchost.exe 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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemRestore Profile = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1716 set thread context of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 -
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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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2384 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 1716 wrote to memory of 2156 1716 7bd819e07f179d3f264d22ff7f6a44d5.exe 28 PID 2156 wrote to memory of 2872 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 29 PID 2156 wrote to memory of 2872 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 29 PID 2156 wrote to memory of 2872 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 29 PID 2156 wrote to memory of 2872 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 29 PID 2156 wrote to memory of 2872 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 29 PID 2156 wrote to memory of 2384 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 30 PID 2156 wrote to memory of 2384 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 30 PID 2156 wrote to memory of 2384 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 30 PID 2156 wrote to memory of 2384 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 30 PID 2156 wrote to memory of 2384 2156 7bd819e07f179d3f264d22ff7f6a44d5.exe 30
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:1716 -
C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
PID:2872
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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:2384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
136KB
MD57bd819e07f179d3f264d22ff7f6a44d5
SHA13f21e20ab76637efcfb1cd66cd24fed2b736861a
SHA256ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d
SHA5122cff9b4d7af480ed540b40a2a48e095f03a286260d1bebbfae3df214ca2786e64dfbcf9b3199ce613aec52d6a8c99f4dceda33d9c5e3a074539d919af64e89ee