Analysis
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max time kernel
146s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25/07/2024, 22:38
Behavioral task
behavioral1
Sample
6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe
Resource
win10v2004-20240709-en
General
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Target
6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe
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Size
109KB
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MD5
e41460678099e6fa201eda544038e63d
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SHA1
0c2a2e06a79960b143fcd203b79be1780efa3cd6
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SHA256
6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866
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SHA512
0a75eeb0a10e980e947e5daf9a038de65b13d0c9df505ba044c842b4224f7ea639343b0cd295faed0c408b589aa1495a605e3c75c1ade993d8d7e39fdcf27bb0
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SSDEEP
3072:ooy8j7VnNdrPHaSekwi+mW+2dTmkTHv9hO2out:48jZ7rvaU3+mWrdT9THfBoS
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 18 IoCs
resource yara_rule behavioral1/memory/2076-11-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-12-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-20-0x0000000077570000-0x0000000077660000-memory.dmp modiloader_stage2 behavioral1/memory/1836-21-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-24-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-25-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-30-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-33-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-36-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-40-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-43-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-46-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-49-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-52-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-55-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-58-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-61-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1836-64-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1836 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1836 mstwain32.exe -
resource yara_rule behavioral1/memory/2076-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/files/0x00060000000055de-6.dat upx behavioral1/memory/2076-11-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-12-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-20-0x0000000077570000-0x0000000077660000-memory.dmp upx behavioral1/memory/1836-21-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-24-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-25-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-30-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-33-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-36-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-40-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-43-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-46-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-49-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-52-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-55-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-58-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-61-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1836-64-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\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 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.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 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe File opened for modification C:\Windows\mstwain32.exe 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.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 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2076 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe Token: SeBackupPrivilege 2204 vssvc.exe Token: SeRestorePrivilege 2204 vssvc.exe Token: SeAuditPrivilege 2204 vssvc.exe Token: SeDebugPrivilege 1836 mstwain32.exe Token: SeDebugPrivilege 1836 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1836 mstwain32.exe 1836 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2076 wrote to memory of 1836 2076 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe 34 PID 2076 wrote to memory of 1836 2076 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe 34 PID 2076 wrote to memory of 1836 2076 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe 34 PID 2076 wrote to memory of 1836 2076 6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe 34 -
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\6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.exe"C:\Users\Admin\AppData\Local\Temp\6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.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:2076 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\6953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866.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:1836
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2204
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
Loading Replay Monitor...
Downloads
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Filesize
109KB
MD5e41460678099e6fa201eda544038e63d
SHA10c2a2e06a79960b143fcd203b79be1780efa3cd6
SHA2566953d1b05712a76a1315dfcb522faf91529c8d9273c94203f16d4e8197dcb866
SHA5120a75eeb0a10e980e947e5daf9a038de65b13d0c9df505ba044c842b4224f7ea639343b0cd295faed0c408b589aa1495a605e3c75c1ade993d8d7e39fdcf27bb0