Analysis
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max time kernel
146s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
28-06-2024 06:30
Static task
static1
Behavioral task
behavioral1
Sample
191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe
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Size
1.3MB
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MD5
191f37c776f48d96f6a534a16bae86e4
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SHA1
8a2c106422b6ad500f169d00742368fb9e01cdf5
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SHA256
57475bd03d21854ad7a41906c12438220f5976e2dc960e923631aec4984e57ad
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SHA512
abd1d05515900fdf98ae4dde04b9184bb98c69b966ae881df3ff89106c0256aae969e1935e4423635106f1e2c75b69835275e6f5ef2f27979372c14dae6ada94
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SSDEEP
24576:Klf3/bGmXrUH5YPh4sN0PGlLhkBY9i2GWGNkFTGKGYCF8:Klfv3Xr8YGsN0enkUiDWHFTGKFCC
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/2432-1-0x0000000000401000-0x000000000043F000-memory.dmp modiloader_stage2 behavioral1/memory/2432-2-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2432-3-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2432-18-0x0000000000401000-0x000000000043F000-memory.dmp modiloader_stage2 behavioral1/memory/2432-15-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-21-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-20-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-27-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-26-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-25-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-30-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-31-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-32-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-33-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-34-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-35-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-38-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-39-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-40-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-41-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-42-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-45-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-46-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-47-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-50-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-53-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-57-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-60-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-63-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-66-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-69-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-72-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-75-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-78-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 behavioral1/memory/2064-81-0x0000000000400000-0x0000000000556000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2064 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-1-5-21-2812790648-3157963462-487717889-1000\Software\Wine 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Wine mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\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 191f37c776f48d96f6a534a16bae86e4_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 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.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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Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2432 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe Token: SeBackupPrivilege 2944 vssvc.exe Token: SeRestorePrivilege 2944 vssvc.exe Token: SeAuditPrivilege 2944 vssvc.exe Token: SeDebugPrivilege 2064 mstwain32.exe Token: SeDebugPrivilege 2064 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2064 mstwain32.exe 2064 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2064 2432 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe 31 PID 2432 wrote to memory of 2064 2432 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe 31 PID 2432 wrote to memory of 2064 2432 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe 31 PID 2432 wrote to memory of 2064 2432 191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe 31 -
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\191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\191f37c776f48d96f6a534a16bae86e4_JaffaCakes118.exe"1⤵
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
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
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2064
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2944
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
1.3MB
MD5191f37c776f48d96f6a534a16bae86e4
SHA18a2c106422b6ad500f169d00742368fb9e01cdf5
SHA25657475bd03d21854ad7a41906c12438220f5976e2dc960e923631aec4984e57ad
SHA512abd1d05515900fdf98ae4dde04b9184bb98c69b966ae881df3ff89106c0256aae969e1935e4423635106f1e2c75b69835275e6f5ef2f27979372c14dae6ada94