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Analysis
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max time kernel
144s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14/09/2024, 11:32
Behavioral task
behavioral1
Sample
e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe
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Size
704KB
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MD5
e017fda9e09c0f4d646a87739bdeccb1
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SHA1
266d058599af70c4aebaa0fcd5255fff685397ef
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SHA256
a35ce0e636d8b18e222fb79ce0cabcb786d38ca0bd66f004a8a3109e30c428ce
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SHA512
1bfcf7d2e2454cd96754930847329765f0bce22dbbf1ed5901e7ddcd42b4c6d45902d3624b97a2dc0cc39290740d648c2f826258fccd59cf38189cc86f98a700
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SSDEEP
12288:DrCCANp0keY6CZe+eOYJZ3YKbjAnRiAgx2tXwe35TPTNSj:DipICZe+rYJZXORiAgx2tA25TrE
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 35 IoCs
resource yara_rule behavioral1/memory/2888-1-0x0000000000401000-0x000000000041C000-memory.dmp modiloader_stage2 behavioral1/memory/2888-2-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2888-3-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2888-4-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2888-7-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2888-16-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-20-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-19-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-21-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-25-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-28-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-29-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-30-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-31-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-32-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-33-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-34-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-35-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-36-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-37-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-38-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-41-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-42-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-45-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-48-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-51-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-55-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-58-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-61-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-64-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-67-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-70-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-73-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-76-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 behavioral1/memory/2132-79-0x0000000000400000-0x0000000000594000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2132 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2132 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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine mstwain32.exe -
resource yara_rule behavioral1/memory/2888-0-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2888-2-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2888-3-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2888-4-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2888-7-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/files/0x00060000000055d8-11.dat themida behavioral1/memory/2888-16-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-20-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-19-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-21-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-25-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-28-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-29-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-30-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-31-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-32-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-33-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-34-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-35-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-36-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-37-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-38-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-41-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-42-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-45-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-48-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-51-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-55-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-58-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-61-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-64-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-67-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-70-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-73-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-76-0x0000000000400000-0x0000000000594000-memory.dmp themida behavioral1/memory/2132-79-0x0000000000400000-0x0000000000594000-memory.dmp themida -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.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 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe 2132 mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\mstwain32.exe e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe -
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 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe 2132 mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe Token: SeBackupPrivilege 2684 vssvc.exe Token: SeRestorePrivilege 2684 vssvc.exe Token: SeAuditPrivilege 2684 vssvc.exe Token: SeDebugPrivilege 2132 mstwain32.exe Token: SeDebugPrivilege 2132 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2132 mstwain32.exe 2132 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2132 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe 34 PID 2888 wrote to memory of 2132 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe 34 PID 2888 wrote to memory of 2132 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe 34 PID 2888 wrote to memory of 2132 2888 e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.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\e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.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:2888 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e017fda9e09c0f4d646a87739bdeccb1_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- 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:2132
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2684
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
704KB
MD5e017fda9e09c0f4d646a87739bdeccb1
SHA1266d058599af70c4aebaa0fcd5255fff685397ef
SHA256a35ce0e636d8b18e222fb79ce0cabcb786d38ca0bd66f004a8a3109e30c428ce
SHA5121bfcf7d2e2454cd96754930847329765f0bce22dbbf1ed5901e7ddcd42b4c6d45902d3624b97a2dc0cc39290740d648c2f826258fccd59cf38189cc86f98a700