Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
27/12/2023, 02:39
Static task
static1
Behavioral task
behavioral1
Sample
9d9a6bece14d2df16d91b125d52f94f2.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9d9a6bece14d2df16d91b125d52f94f2.exe
Resource
win10v2004-20231215-en
General
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Target
9d9a6bece14d2df16d91b125d52f94f2.exe
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Size
87KB
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MD5
9d9a6bece14d2df16d91b125d52f94f2
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SHA1
eda773c16f5210a90b9ade09ca0753bd31a0308b
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SHA256
5540c8ac959e7c8fe851e4cf20eb0c6fedfcb935bbd55d58bec8a237926adbef
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SHA512
70aa55bb8e9fa09aaf8335e5dce1bbd79dc1f4f39b7b0fd1f872dbdd7bd0b725b8949a62002f7eded1731116c718369f129878fb26ea832b5cacfa5d76c68323
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SSDEEP
1536:n/vQa59DqqI94023pLqRuSijxODUzXnE99apJTcvq+kO0w:nV3G40AJqkjxOF9c3cy+kC
Malware Config
Signatures
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Detect XtremeRAT payload 7 IoCs
resource yara_rule behavioral1/memory/2676-8-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2676-7-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2676-15-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2676-14-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2752-11-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2676-17-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2752-18-0x0000000010000000-0x000000001004D000-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\{H608055G-BY2G-3G61-SA6I-5GOV523G1711} 9d9a6bece14d2df16d91b125d52f94f2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711}\StubPath = "C:\\Windows\\trt\\efc.exe restart" 9d9a6bece14d2df16d91b125d52f94f2.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711}\StubPath = "C:\\Windows\\trt\\efc.exe" svchost.exe -
resource yara_rule behavioral1/memory/2676-8-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2676-7-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2676-6-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2676-15-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2676-14-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2752-11-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2676-3-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2676-17-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2752-18-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\trt\\efc.exe" 9d9a6bece14d2df16d91b125d52f94f2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\trt\\efc.exe" 9d9a6bece14d2df16d91b125d52f94f2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\trt\\efc.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\trt\\efc.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2372 set thread context of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\trt\efc.exe 9d9a6bece14d2df16d91b125d52f94f2.exe File opened for modification C:\Windows\trt\ 9d9a6bece14d2df16d91b125d52f94f2.exe File opened for modification C:\Windows\trt\efc.exe 9d9a6bece14d2df16d91b125d52f94f2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2372 9d9a6bece14d2df16d91b125d52f94f2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2676 9d9a6bece14d2df16d91b125d52f94f2.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2372 wrote to memory of 2676 2372 9d9a6bece14d2df16d91b125d52f94f2.exe 30 PID 2676 wrote to memory of 2752 2676 9d9a6bece14d2df16d91b125d52f94f2.exe 28 PID 2676 wrote to memory of 2752 2676 9d9a6bece14d2df16d91b125d52f94f2.exe 28 PID 2676 wrote to memory of 2752 2676 9d9a6bece14d2df16d91b125d52f94f2.exe 28 PID 2676 wrote to memory of 2752 2676 9d9a6bece14d2df16d91b125d52f94f2.exe 28 PID 2676 wrote to memory of 2752 2676 9d9a6bece14d2df16d91b125d52f94f2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"2⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676
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C:\Windows\SysWOW64\svchost.exesvchost.exe1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
PID:2752