Analysis
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max time kernel
147s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
11-09-2024 17:18
Behavioral task
behavioral1
Sample
dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe
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Size
110KB
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MD5
dad7dc058db66ca5dbf865df958b981c
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SHA1
e193aef5644bc2d13a39d657ed3b2ba739ba0feb
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SHA256
33a0bcbeedb81a4cf78104e442d71ba91fc96a87dc6b44e2f46fe6e3cfb6abd1
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SHA512
a89cd42d1afb1147bb2ef28d0c977eab6a1eabcc3db6a31df44f05e8f985dc10271d024c451e855267bd7745e599ad889ca2cfd979f790b7c283ff392d29d169
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SSDEEP
3072:Yoy8j7VnNdrPHaSekwi+mW+2stCd/sV2TJout:o8jZ7rvaU3+mWrssVJoS
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/2216-11-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-23-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-25-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-29-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-32-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-35-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-38-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-42-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-45-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-48-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-51-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-54-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-57-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-60-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-63-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 behavioral1/memory/576-66-0x0000000000400000-0x000000000044F000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 576 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 576 mstwain32.exe -
resource yara_rule behavioral1/memory/2216-0-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/files/0x00060000000055cf-13.dat upx behavioral1/memory/2216-12-0x0000000003ED0000-0x0000000003F1F000-memory.dmp upx behavioral1/memory/2216-11-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-23-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-25-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-29-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-32-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-35-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-38-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-42-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-45-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-48-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-51-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-54-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-57-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-60-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-63-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral1/memory/576-66-0x0000000000400000-0x000000000044F000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 dad7dc058db66ca5dbf865df958b981c_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 dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe dad7dc058db66ca5dbf865df958b981c_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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2216 dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe Token: SeBackupPrivilege 2672 vssvc.exe Token: SeRestorePrivilege 2672 vssvc.exe Token: SeAuditPrivilege 2672 vssvc.exe Token: SeDebugPrivilege 576 mstwain32.exe Token: SeDebugPrivilege 576 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 576 mstwain32.exe 576 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2216 wrote to memory of 576 2216 dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe 33 PID 2216 wrote to memory of 576 2216 dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe 33 PID 2216 wrote to memory of 576 2216 dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe 33 PID 2216 wrote to memory of 576 2216 dad7dc058db66ca5dbf865df958b981c_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\dad7dc058db66ca5dbf865df958b981c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dad7dc058db66ca5dbf865df958b981c_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:2216 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\dad7dc058db66ca5dbf865df958b981c_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:576
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2672
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
MD5dad7dc058db66ca5dbf865df958b981c
SHA1e193aef5644bc2d13a39d657ed3b2ba739ba0feb
SHA25633a0bcbeedb81a4cf78104e442d71ba91fc96a87dc6b44e2f46fe6e3cfb6abd1
SHA512a89cd42d1afb1147bb2ef28d0c977eab6a1eabcc3db6a31df44f05e8f985dc10271d024c451e855267bd7745e599ad889ca2cfd979f790b7c283ff392d29d169