Analysis
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max time kernel
141s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
24-09-2024 12:47
Static task
static1
Behavioral task
behavioral1
Sample
f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe
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Size
479KB
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MD5
f3acb1d96ac4aaf84a413f6b95d41555
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SHA1
7fb4bbb056db75d35e57babbdf526476fd5330e8
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SHA256
1c6d5f557810852732a0c81f980431e7be9e0683f373f4533d8629029ffab04c
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SHA512
8ebc7f9a17cb4677144f1b61cec290fb029fdbcca664b7a97d6163c191f2ffb4a330364812298feaa7a7340909635e3a735239797a48016309ab734e41db6738
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SSDEEP
3072:Eaaaaaaaaaa7aaaaaaaaaa/aaaaaaaaaa7aaaaaaaaaanaaaaraaaaPaaaaraaaG:G73njPNjSbNKz/6l7RskM2H4n4o
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/1056-10-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-11-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-22-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-26-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-30-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-34-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-37-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-40-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-43-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-46-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-49-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-52-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-55-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-58-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-61-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-64-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 behavioral1/memory/2960-67-0x0000000000400000-0x00000000005FB000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2960 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 f3acb1d96ac4aaf84a413f6b95d41555_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 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f3acb1d96ac4aaf84a413f6b95d41555_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 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1056 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe Token: SeDebugPrivilege 2960 mstwain32.exe Token: SeDebugPrivilege 2960 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2960 mstwain32.exe 2960 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1056 wrote to memory of 2960 1056 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe 29 PID 1056 wrote to memory of 2960 1056 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe 29 PID 1056 wrote to memory of 2960 1056 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe 29 PID 1056 wrote to memory of 2960 1056 f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe 29 -
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
Processes
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C:\Users\Admin\AppData\Local\Temp\f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f3acb1d96ac4aaf84a413f6b95d41555_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:1056 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f3acb1d96ac4aaf84a413f6b95d41555_JaffaCakes118.exe"2⤵
- UAC bypass
- 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:2960
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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
479KB
MD5f3acb1d96ac4aaf84a413f6b95d41555
SHA17fb4bbb056db75d35e57babbdf526476fd5330e8
SHA2561c6d5f557810852732a0c81f980431e7be9e0683f373f4533d8629029ffab04c
SHA5128ebc7f9a17cb4677144f1b61cec290fb029fdbcca664b7a97d6163c191f2ffb4a330364812298feaa7a7340909635e3a735239797a48016309ab734e41db6738