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Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26/09/2024, 21:00
Behavioral task
behavioral1
Sample
f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
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Size
273KB
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MD5
f92a411ea31666fae2c8213055ed34eb
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SHA1
24f0dddeae69510c82565e5a12e646c59f5e7c33
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SHA256
757e0d1e1c2e9bb8685d9c69c9b8bfc04e59a199d7616cb217b3ff011ffdc78c
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SHA512
cf1a63f4ade1599d66558fc304c6b58f6dd03c7623457c0c038886b19b70e5383aa53243e48552da53459caf2295db0adb0f823dc5fb9dd69e5de6ef683e2dbe
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SSDEEP
6144:kG377xS2Vp2CeiorXdwTBgWx4W53ypcCJJvH:fr7xS2Vp6RwTyCKbJJvH
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 behavioral2/files/0x000500000001db65-4.dat modiloader_stage2 behavioral2/memory/388-10-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-26-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-29-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-32-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-35-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-38-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-41-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-44-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-47-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-50-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-53-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-56-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-59-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-62-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1648-65-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 1648 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1648 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 1648 mstwain32.exe 1648 mstwain32.exe 1648 mstwain32.exe 1648 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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 f92a411ea31666fae2c8213055ed34eb_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 f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f92a411ea31666fae2c8213055ed34eb_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 f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 388 f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe Token: SeBackupPrivilege 2752 vssvc.exe Token: SeRestorePrivilege 2752 vssvc.exe Token: SeAuditPrivilege 2752 vssvc.exe Token: SeDebugPrivilege 1648 mstwain32.exe Token: SeDebugPrivilege 1648 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1648 mstwain32.exe 1648 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 388 wrote to memory of 1648 388 f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe 86 PID 388 wrote to memory of 1648 388 f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe 86 PID 388 wrote to memory of 1648 388 f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe 86 -
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\f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe"1⤵
- Checks computer location settings
- 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:388 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- 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:1648
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2752
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
33KB
MD52779ef1a37a8775bf7c735ffbff97e38
SHA147d53a2f67d2848009d55c48febcfb9297637cfc
SHA25694b0f604db3b4f0977b1e0bcbbcd23e2375bcdd5910ddb4f4bc60d7395b26673
SHA512e3d551ef8049b91fd39b8bb9cc70e597fb28fd9b96d8fdb262e4fd804752f113648dff321d75b2ad90062fc75ce1f5a54904744b527c596d7e058e889a906760
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Filesize
273KB
MD5f92a411ea31666fae2c8213055ed34eb
SHA124f0dddeae69510c82565e5a12e646c59f5e7c33
SHA256757e0d1e1c2e9bb8685d9c69c9b8bfc04e59a199d7616cb217b3ff011ffdc78c
SHA512cf1a63f4ade1599d66558fc304c6b58f6dd03c7623457c0c038886b19b70e5383aa53243e48552da53459caf2295db0adb0f823dc5fb9dd69e5de6ef683e2dbe
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350