Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-07-2022 07:22
Static task
static1
Behavioral task
behavioral1
Sample
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe
Resource
win10v2004-20220414-en
General
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Target
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe
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Size
300KB
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MD5
41067cbbcc67bc6a3f1452aa9282ec0f
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SHA1
9fa39399e8d8e8027dfbbe12e4a023f7ee3581e5
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SHA256
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326
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SHA512
c39d4e0d833c28f74d0564a97cf43733741336e246f6bcde8497a3bace6e653016e2fe993bc70ac47eb47403de44160973b1d6da6bacdc0caf341aaf4a899d35
Malware Config
Signatures
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Detect XtremeRAT payload 8 IoCs
Processes:
resource yara_rule behavioral2/memory/4528-133-0x0000000000000000-mapping.dmp family_xtremerat behavioral2/memory/4528-134-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/4528-135-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/4528-137-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/4528-138-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/984-140-0x0000000000000000-mapping.dmp family_xtremerat behavioral2/memory/984-141-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/4528-142-0x0000000010000000-0x000000001004A000-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
Processes:
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXEdescription ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{W656X815-YPYS-73L5-B2C6-T4MK067EL4RR} 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{W656X815-YPYS-73L5-B2C6-T4MK067EL4RR}\StubPath = "C:\\Windows\\InstallDir\\notepad.exe restart" 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE -
Adds Run key to start application 2 TTPs 5 IoCs
Processes:
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXEdescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\notepad = "C:\\Windows\\InstallDir\\notepad.exe" 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\notepad = "C:\\Windows\\InstallDir\\notepad.exe" 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "%notepad%" 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exedescription pid Process procid_target PID 4416 set thread context of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 -
Drops file in Windows directory 2 IoCs
Processes:
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXEdescription ioc Process File created C:\Windows\InstallDir\notepad.exe 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE File opened for modification C:\Windows\InstallDir\notepad.exe 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 844 984 WerFault.exe 86 2188 984 WerFault.exe 86 -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXEpid Process 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 4528 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXEdescription pid Process procid_target PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4416 wrote to memory of 4528 4416 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe 85 PID 4528 wrote to memory of 984 4528 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE 86 PID 4528 wrote to memory of 984 4528 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE 86 PID 4528 wrote to memory of 984 4528 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE 86 PID 4528 wrote to memory of 984 4528 9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE 86
Processes
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C:\Users\Admin\AppData\Local\Temp\9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe"C:\Users\Admin\AppData\Local\Temp\9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Users\Admin\AppData\Local\Temp\9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.EXE"C:\Users\Admin\AppData\Local\Temp\9c0f15d4b2b716efa114ad27a5e759cc4811c5b8d64cf1b713777dcbd628d326.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:4528 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 4804⤵
- Program crash
PID:844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 4884⤵
- Program crash
PID:2188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 984 -ip 9841⤵PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 984 -ip 9841⤵PID:656