Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-09-2024 04:56
Behavioral task
behavioral1
Sample
f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe
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Size
113KB
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MD5
f15251775999f9a014fdece8239b8bcb
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SHA1
5339edffae507a94873e8a41454ecdfa3493642f
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SHA256
74717d6165e48a4cc715cfa103d90eb91cd42147f5dc8ea77607b3eb24516fb8
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SHA512
e6825cdcc7f6e4beddc2dcd9d7fc3baf037e57dc01b1a67ef2349801a51f4a943486d2455ee4d0f4b8251197ef76b7528fb20fcee92154b2ded5955b8e9854b5
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SSDEEP
1536:XVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk099mbhOvwBQLnouy8o:loy8j7VnNdrPHaSekwi+mW9CFQToutG
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/1928-12-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-21-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-22-0x0000000077280000-0x0000000077370000-memory.dmp modiloader_stage2 behavioral1/memory/2756-23-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-27-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-30-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-33-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-36-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-40-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-43-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-46-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-49-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-52-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-55-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-58-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-61-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/2756-64-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2756 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2756 mstwain32.exe -
resource yara_rule behavioral1/memory/1928-0-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/files/0x00060000000055d7-6.dat upx behavioral1/memory/1928-12-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-21-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-22-0x0000000077280000-0x0000000077370000-memory.dmp upx behavioral1/memory/2756-23-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-27-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-30-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-33-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-36-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-40-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-43-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-46-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-49-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-52-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-55-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-58-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-61-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2756-64-0x0000000000400000-0x0000000000451000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\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 f15251775999f9a014fdece8239b8bcb_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 f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f15251775999f9a014fdece8239b8bcb_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 f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1928 f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe Token: SeBackupPrivilege 2768 vssvc.exe Token: SeRestorePrivilege 2768 vssvc.exe Token: SeAuditPrivilege 2768 vssvc.exe Token: SeDebugPrivilege 2756 mstwain32.exe Token: SeDebugPrivilege 2756 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2756 mstwain32.exe 2756 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1928 wrote to memory of 2756 1928 f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe 34 PID 1928 wrote to memory of 2756 1928 f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe 34 PID 1928 wrote to memory of 2756 1928 f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe 34 PID 1928 wrote to memory of 2756 1928 f15251775999f9a014fdece8239b8bcb_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\f15251775999f9a014fdece8239b8bcb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f15251775999f9a014fdece8239b8bcb_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:1928 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f15251775999f9a014fdece8239b8bcb_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:2756
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2768
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
113KB
MD5f15251775999f9a014fdece8239b8bcb
SHA15339edffae507a94873e8a41454ecdfa3493642f
SHA25674717d6165e48a4cc715cfa103d90eb91cd42147f5dc8ea77607b3eb24516fb8
SHA512e6825cdcc7f6e4beddc2dcd9d7fc3baf037e57dc01b1a67ef2349801a51f4a943486d2455ee4d0f4b8251197ef76b7528fb20fcee92154b2ded5955b8e9854b5