Analysis
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max time kernel
149s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04-10-2022 07:00
Behavioral task
behavioral1
Sample
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
Resource
win10v2004-20220901-en
General
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Target
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
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Size
814KB
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MD5
36fd147d72a828a8e27e67d7cdeb6ea8
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SHA1
b0e2fe725bca8b3fa1662593badea600aba0ab9e
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SHA256
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d
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SHA512
598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6
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SSDEEP
24576:XMmnDC+d2hEv8W8CcQy2U1y4UZEj0Zpu4i:XjDCayEEZKyvcBZsauF
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1284-58-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-60-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-62-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-63-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-65-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-67-0x0000000000000000-mapping.dmp modiloader_stage2 behavioral1/memory/1284-68-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-71-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-72-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-73-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1284-78-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1780-91-0x0000000000000000-mapping.dmp modiloader_stage2 behavioral1/memory/1780-96-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1780-98-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1780-99-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1780-100-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 -
Executes dropped EXE 2 IoCs
Processes:
mstwain32.exemstwain32.exepid process 1508 mstwain32.exe 1780 mstwain32.exe -
Processes:
resource yara_rule behavioral1/memory/1644-69-0x0000000000400000-0x00000000004E6000-memory.dmp upx C:\Windows\mstwain32.exe upx C:\Windows\mstwain32.exe upx C:\Windows\mstwain32.exe upx behavioral1/memory/1508-95-0x0000000000400000-0x00000000004E6000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
mstwain32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ mstwain32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exemstwain32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/memory/1644-69-0x0000000000400000-0x00000000004E6000-memory.dmp autoit_exe behavioral1/memory/1508-95-0x0000000000400000-0x00000000004E6000-memory.dmp autoit_exe -
Drops file in Windows directory 4 IoCs
Processes:
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exemstwain32.exedescription ioc process File created C:\Windows\mstwain32.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe File opened for modification C:\Windows\mstwain32.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exevssvc.exemstwain32.exedescription pid process Token: SeDebugPrivilege 1284 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe Token: SeBackupPrivilege 912 vssvc.exe Token: SeRestorePrivilege 912 vssvc.exe Token: SeAuditPrivilege 912 vssvc.exe Token: SeDebugPrivilege 1780 mstwain32.exe Token: SeDebugPrivilege 1780 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 1780 mstwain32.exe 1780 mstwain32.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exefc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exemstwain32.exedescription pid process target process PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1644 wrote to memory of 1284 1644 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe PID 1284 wrote to memory of 1508 1284 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe mstwain32.exe PID 1284 wrote to memory of 1508 1284 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe mstwain32.exe PID 1284 wrote to memory of 1508 1284 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe mstwain32.exe PID 1284 wrote to memory of 1508 1284 fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe PID 1508 wrote to memory of 1780 1508 mstwain32.exe mstwain32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe"C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe"C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe"2⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"4⤵
- UAC bypass
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Windows\mstwain32.exeFilesize
814KB
MD536fd147d72a828a8e27e67d7cdeb6ea8
SHA1b0e2fe725bca8b3fa1662593badea600aba0ab9e
SHA256fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d
SHA512598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6
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C:\Windows\mstwain32.exeFilesize
814KB
MD536fd147d72a828a8e27e67d7cdeb6ea8
SHA1b0e2fe725bca8b3fa1662593badea600aba0ab9e
SHA256fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d
SHA512598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6
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C:\Windows\mstwain32.exeFilesize
814KB
MD536fd147d72a828a8e27e67d7cdeb6ea8
SHA1b0e2fe725bca8b3fa1662593badea600aba0ab9e
SHA256fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d
SHA512598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6
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memory/1284-63-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-68-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-62-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-78-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-65-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-67-0x0000000000000000-mapping.dmp
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memory/1284-60-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-55-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-71-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-72-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-73-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-56-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1284-58-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1508-74-0x0000000000000000-mapping.dmp
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memory/1508-95-0x0000000000400000-0x00000000004E6000-memory.dmpFilesize
920KB
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memory/1644-69-0x0000000000400000-0x00000000004E6000-memory.dmpFilesize
920KB
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memory/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmpFilesize
8KB
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memory/1780-91-0x0000000000000000-mapping.dmp
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memory/1780-96-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1780-97-0x00000000003D0000-0x00000000003DE000-memory.dmpFilesize
56KB
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memory/1780-98-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1780-99-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB
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memory/1780-100-0x0000000000400000-0x0000000000473000-memory.dmpFilesize
460KB