Analysis
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max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
08-01-2025 11:33
Behavioral task
behavioral1
Sample
aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe
Resource
win10v2004-20241007-en
General
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Target
aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe
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Size
109KB
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MD5
7a08d563069578fa0ada87f827675fa0
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SHA1
1f997c6c528599df4c44f9fec52b008f8824bfdc
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SHA256
aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492e
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SHA512
215618118510d1879cd51cae97a35060a3d66495d45bf20f1c9b0f8d0963ebc8c0af9934c1bdda2e583a1b9cffe56015a9c834bb1b8d7c54f665976d9ced6c4b
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SSDEEP
3072:Koy8j7VnNdrPHaSekwi+mW+2LCK+AMScoutL:68jZ7rvaU3+mWr2K+3ScoSL
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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Modiloader family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 14 IoCs
resource yara_rule behavioral1/memory/2140-13-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-23-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-24-0x0000000075BA0000-0x0000000075C90000-memory.dmp modiloader_stage2 behavioral1/memory/2304-25-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-29-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-32-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-35-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-38-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-42-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-45-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-48-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-51-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-54-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2304-57-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2304 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2304 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.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 -
resource yara_rule behavioral1/memory/2140-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2140-13-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-14-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/files/0x00060000000055d8-12.dat upx behavioral1/memory/2304-23-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-24-0x0000000075BA0000-0x0000000075C90000-memory.dmp upx behavioral1/memory/2304-25-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-29-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-32-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-35-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-38-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-42-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-45-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-48-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-51-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-54-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2304-57-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe File opened for modification C:\Windows\mstwain32.exe aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.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).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2140 aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe Token: SeBackupPrivilege 2376 vssvc.exe Token: SeRestorePrivilege 2376 vssvc.exe Token: SeAuditPrivilege 2376 vssvc.exe Token: SeDebugPrivilege 2304 mstwain32.exe Token: SeDebugPrivilege 2304 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2304 mstwain32.exe 2304 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2304 2140 aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe 33 PID 2140 wrote to memory of 2304 2140 aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe 33 PID 2140 wrote to memory of 2304 2140 aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe 33 PID 2140 wrote to memory of 2304 2140 aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe 33 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe"C:\Users\Admin\AppData\Local\Temp\aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492eN.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2304
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2376
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
109KB
MD57a08d563069578fa0ada87f827675fa0
SHA11f997c6c528599df4c44f9fec52b008f8824bfdc
SHA256aa240cf2419b9fbed13bb7f2dc89520be9b878ae2cd5bfafd13bffcf2144492e
SHA512215618118510d1879cd51cae97a35060a3d66495d45bf20f1c9b0f8d0963ebc8c0af9934c1bdda2e583a1b9cffe56015a9c834bb1b8d7c54f665976d9ced6c4b