Analysis
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max time kernel
147s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 15:48
Behavioral task
behavioral1
Sample
ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe
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Size
110KB
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MD5
ebaa869c27393d9337825a0be678b48c
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SHA1
866504b50b266a7624ee6972bdfaadadde01537f
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SHA256
6de2909b9acc9b4c2efc540a1142324d7340f9e675224002ae57a16cc257cad1
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SHA512
46174f7dfe128efb10ae6ddbc7faa6ba2f59da5bc16a782f16308974726215f363e2b6eecb8b96d860775446b065a490cea189eb7b0a95c15cfbb26fab0f5fd0
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SSDEEP
3072:Roy8j7VnNdrPHaSekwi+mW+2d5GZTSh6B/out:h8jZ7rvaU3+mWrTGc6NoS
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/1608-13-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/2544-12-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-22-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-24-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-28-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-31-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-34-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-37-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-41-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-44-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-47-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-50-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-53-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-56-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-59-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-62-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/1608-65-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1608 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1608 mstwain32.exe -
resource yara_rule behavioral1/memory/2544-0-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-13-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/2544-12-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/files/0x00060000000055d8-10.dat upx behavioral1/memory/1608-22-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-24-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-28-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-31-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-34-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-37-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-41-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-44-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-47-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-50-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-53-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-56-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-59-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-62-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/1608-65-0x0000000000400000-0x000000000044F000-memory.dmp upx -
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 ebaa869c27393d9337825a0be678b48c_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 ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe ebaa869c27393d9337825a0be678b48c_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 ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2544 ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe Token: SeBackupPrivilege 2236 vssvc.exe Token: SeRestorePrivilege 2236 vssvc.exe Token: SeAuditPrivilege 2236 vssvc.exe Token: SeDebugPrivilege 1608 mstwain32.exe Token: SeDebugPrivilege 1608 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1608 mstwain32.exe 1608 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2544 wrote to memory of 1608 2544 ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe 33 PID 2544 wrote to memory of 1608 2544 ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe 33 PID 2544 wrote to memory of 1608 2544 ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe 33 PID 2544 wrote to memory of 1608 2544 ebaa869c27393d9337825a0be678b48c_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\ebaa869c27393d9337825a0be678b48c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ebaa869c27393d9337825a0be678b48c_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:2544 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\ebaa869c27393d9337825a0be678b48c_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:1608
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2236
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
110KB
MD5ebaa869c27393d9337825a0be678b48c
SHA1866504b50b266a7624ee6972bdfaadadde01537f
SHA2566de2909b9acc9b4c2efc540a1142324d7340f9e675224002ae57a16cc257cad1
SHA51246174f7dfe128efb10ae6ddbc7faa6ba2f59da5bc16a782f16308974726215f363e2b6eecb8b96d860775446b065a490cea189eb7b0a95c15cfbb26fab0f5fd0