Analysis
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max time kernel
147s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 03:12
Behavioral task
behavioral1
Sample
f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe
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Size
340KB
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MD5
f50b8ed12de260c864f806492451d1c7
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SHA1
f60dae208cd5001b7d812e9adae350c4b888ffeb
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SHA256
b81ec9252104d63a9503872f0f93e7ad4774aaf0c1daabdb91443bff32437563
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SHA512
459cce179fee359bcb7d2c125d1abf6b1a15db30a1ce5815421346e4cf609818201aecf2b47f7ee9429a44aa85169f0dc844bcc74acfe9169c09d5b9366e474e
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SSDEEP
6144:NG337xS2Vp2CeiorXdwTBgWx4sK3xe532pcCJJvH2:wn7xS2Vp6RwTyCOHbJJvH2
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 17 IoCs
resource yara_rule behavioral1/memory/2052-9-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/files/0x0003000000005658-8.dat modiloader_stage2 behavioral1/memory/1724-17-0x00000000758B0000-0x00000000759A0000-memory.dmp modiloader_stage2 behavioral1/memory/1724-19-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-23-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-26-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-29-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-32-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-36-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-39-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-42-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-45-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-48-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-51-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-54-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-57-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1724-60-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1724 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1724 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.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 f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2052 f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe Token: SeBackupPrivilege 2940 vssvc.exe Token: SeRestorePrivilege 2940 vssvc.exe Token: SeAuditPrivilege 2940 vssvc.exe Token: SeDebugPrivilege 1724 mstwain32.exe Token: SeDebugPrivilege 1724 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1724 mstwain32.exe 1724 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2052 wrote to memory of 1724 2052 f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe 34 PID 2052 wrote to memory of 1724 2052 f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe 34 PID 2052 wrote to memory of 1724 2052 f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe 34 PID 2052 wrote to memory of 1724 2052 f50b8ed12de260c864f806492451d1c7_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\f50b8ed12de260c864f806492451d1c7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f50b8ed12de260c864f806492451d1c7_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:2052 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f50b8ed12de260c864f806492451d1c7_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:1724
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2940
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
340KB
MD5f50b8ed12de260c864f806492451d1c7
SHA1f60dae208cd5001b7d812e9adae350c4b888ffeb
SHA256b81ec9252104d63a9503872f0f93e7ad4774aaf0c1daabdb91443bff32437563
SHA512459cce179fee359bcb7d2c125d1abf6b1a15db30a1ce5815421346e4cf609818201aecf2b47f7ee9429a44aa85169f0dc844bcc74acfe9169c09d5b9366e474e