Analysis
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max time kernel
148s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 11:59
Behavioral task
behavioral1
Sample
eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe
Resource
win10v2004-20241007-en
General
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Target
eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe
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Size
1.1MB
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MD5
98aa995281d54e290bf817c069e6822e
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SHA1
7fba034a4bd7dc491bba49d39c1ce497b05af981
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SHA256
eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac
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SHA512
a5416dc55ce0010cfddbb607e1e42b94f3153f04f9d5accd9c3ae33dcf85fe9e7482ea1186cee72cce4f21c9c3769e8340397e4c77302190c7b9da7bdf859da5
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SSDEEP
24576:qOwPit8f/ust6uHU9QBz4cbvsJ72Zu5vhNUp741cv/HA:qN6Mfh4PJYuhUpmcng
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 35 IoCs
resource yara_rule behavioral1/memory/1660-3-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/1660-2-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/1660-1-0x0000000000401000-0x000000000043F000-memory.dmp modiloader_stage2 behavioral1/memory/1660-6-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/1660-14-0x0000000000401000-0x000000000043F000-memory.dmp modiloader_stage2 behavioral1/memory/1660-13-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-18-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-19-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-20-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-24-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-23-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-25-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-27-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-26-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-28-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-29-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-30-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-31-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-32-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-33-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-34-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-35-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-37-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-39-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-41-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-43-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-45-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-47-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-49-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-51-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-53-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-55-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-57-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-59-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 behavioral1/memory/2672-61-0x0000000000400000-0x0000000000513000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2672 mstwain32.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine mstwain32.exe -
resource yara_rule behavioral1/memory/1660-3-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/1660-2-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/1660-0-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/1660-6-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/files/0x0007000000012117-10.dat themida behavioral1/memory/2672-16-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/1660-13-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-18-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-19-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-20-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-24-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-23-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-25-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-27-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-26-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-28-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-29-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-30-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-31-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-32-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-33-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-34-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-35-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-37-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-39-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-41-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-43-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-45-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-47-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-49-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-51-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-53-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-55-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-57-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-59-0x0000000000400000-0x0000000000513000-memory.dmp themida behavioral1/memory/2672-61-0x0000000000400000-0x0000000000513000-memory.dmp themida -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.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 -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe 2672 mstwain32.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\mstwain32.exe eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe File opened for modification C:\Windows\mstwain32.exe eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe File created C:\Windows\ntdtcstp.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 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe 2672 mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe Token: SeDebugPrivilege 2672 mstwain32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2672 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1660 wrote to memory of 2672 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe 29 PID 1660 wrote to memory of 2672 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe 29 PID 1660 wrote to memory of 2672 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe 29 PID 1660 wrote to memory of 2672 1660 eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe 29 -
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
Processes
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C:\Users\Admin\AppData\Local\Temp\eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe"C:\Users\Admin\AppData\Local\Temp\eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac.exe"1⤵
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2672
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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
3Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD598aa995281d54e290bf817c069e6822e
SHA17fba034a4bd7dc491bba49d39c1ce497b05af981
SHA256eccf78053d8501aca661dbb1c4ef2b1ef96e903f21db5e9a377aed6771e6cfac
SHA512a5416dc55ce0010cfddbb607e1e42b94f3153f04f9d5accd9c3ae33dcf85fe9e7482ea1186cee72cce4f21c9c3769e8340397e4c77302190c7b9da7bdf859da5