Analysis
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max time kernel
14s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 13:43
Static task
static1
Behavioral task
behavioral1
Sample
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe
Resource
win10v2004-20221111-en
General
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Target
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe
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Size
125KB
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MD5
a09512032782e9629eac39b71f666c70
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SHA1
b459dee03d4e70b7aa3bb85a22834162b10a5fd6
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SHA256
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca
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SHA512
c63fc3f753d1afb7a243a594d42f0dbfb1f26e1bb8d11c11c474e05f73e95dcd1a2eb00bd5e89a91a623ee537b67c71ce68870257af2f52f36d99db96298e79b
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SSDEEP
1536:2ZeNavxhkC0FNGrX8CSFEijmeybdJCM8cHR/d6IVtNY9QEmZzplWQRkY/xLB/:2ZeNa5ITmeyrCMdH2AY7SlWQRP/xLB/
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-118412127\\773d8135q.exe" 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\77048134 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-118412127\\773d8135q.exe" 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exedescription ioc process File created C:\RECYCLER\S-1-5-21-0243556031-888888379-781862308-118412127\Desktop.ini 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe -
Modifies WinLogon 2 TTPs 1 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-118412127\\773d8135q.exe" 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exedescription pid process target process PID 1448 set thread context of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exepid process 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 316 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exedescription pid process target process PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 1448 wrote to memory of 316 1448 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe PID 316 wrote to memory of 1420 316 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe Explorer.EXE PID 316 wrote to memory of 1420 316 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe Explorer.EXE PID 316 wrote to memory of 1420 316 8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1420
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C:\Users\Admin\AppData\Local\Temp\8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe"C:\Users\Admin\AppData\Local\Temp\8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe"C:\Users\Admin\AppData\Local\Temp\8c230b2a8590d0b8098b01cf727f392593f7e4aaa7e7088bb8ffacd3a72616ca.exe"3⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:316