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Analysis
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max time kernel
148s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18/09/2024, 04:01
Behavioral task
behavioral1
Sample
e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
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Size
270KB
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MD5
e84a14c8774f7a94b08e08cf430861d1
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SHA1
7852055a114a7c78e0549a66c481d50ca52cf599
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SHA256
f161194c21d032c5511d505e0ad2f44598d096db98f2838a5678759903671a1c
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SHA512
fa97f607597f2bae2f06466b45a4353a1911e6324f5debfd50d53247abbf900c0adee9d047ca3b464cfe189733f779da783043de31a4e40167e3942d70b8302d
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz532jpcCJJvH:Zr7xS2Vp6FwT1bJJvH
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 16 IoCs
resource yara_rule behavioral1/memory/2684-1-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055cf-6.dat modiloader_stage2 behavioral1/memory/2684-10-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-20-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-24-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-27-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-30-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-34-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-37-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-40-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-43-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-46-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-49-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-52-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-55-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1052-58-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1052 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1052 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\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 e84a14c8774f7a94b08e08cf430861d1_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 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe e84a14c8774f7a94b08e08cf430861d1_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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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 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2684 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe Token: SeBackupPrivilege 2724 vssvc.exe Token: SeRestorePrivilege 2724 vssvc.exe Token: SeAuditPrivilege 2724 vssvc.exe Token: SeDebugPrivilege 1052 mstwain32.exe Token: SeDebugPrivilege 1052 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1052 mstwain32.exe 1052 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2684 wrote to memory of 1052 2684 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe 33 PID 2684 wrote to memory of 1052 2684 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe 33 PID 2684 wrote to memory of 1052 2684 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe 33 PID 2684 wrote to memory of 1052 2684 e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.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\e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.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:2684 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.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:1052
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2724
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
270KB
MD5e84a14c8774f7a94b08e08cf430861d1
SHA17852055a114a7c78e0549a66c481d50ca52cf599
SHA256f161194c21d032c5511d505e0ad2f44598d096db98f2838a5678759903671a1c
SHA512fa97f607597f2bae2f06466b45a4353a1911e6324f5debfd50d53247abbf900c0adee9d047ca3b464cfe189733f779da783043de31a4e40167e3942d70b8302d