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Analysis
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max time kernel
147s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 11:16
Behavioral task
behavioral1
Sample
efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe
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Size
119KB
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MD5
efac659e6f2e77ec8b51a6c9a582927b
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SHA1
2898922eb2a33d201cd6a179d7fcd5fc9ec07a5f
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SHA256
4bb25e389b8ceee5dadfdd049a3f38b2b1709b2c334cf676017973f685310ae7
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SHA512
62455e42c09a89ed449f827565ba6606f5310dcbc4d3639ee16f3c1b8d2cfc96d455091728ab903c0eb772ea02bc077cc5815c87104584b44a63f34d51e845ee
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SSDEEP
3072:G1+MJKrUnFYY5z1i0Nmbi5fJBNE6Vout:OIrPj0NmWtNEaoS
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/2420-13-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-22-0x0000000077910000-0x0000000077A00000-memory.dmp modiloader_stage2 behavioral1/memory/2944-23-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-25-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-29-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-32-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-35-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-38-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-41-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-44-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-47-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-50-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-53-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-56-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-59-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-62-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 behavioral1/memory/2944-65-0x0000000000400000-0x0000000000454000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2944 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2944 mstwain32.exe -
resource yara_rule behavioral1/memory/2420-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2420-13-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-14-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/files/0x00090000000120d6-11.dat upx behavioral1/memory/2944-22-0x0000000077910000-0x0000000077A00000-memory.dmp upx behavioral1/memory/2944-23-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-25-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-29-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-32-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-35-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-38-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-41-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-44-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-47-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-50-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-53-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-56-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-59-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-62-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2944-65-0x0000000000400000-0x0000000000454000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe File created C:\Windows\ntdtcstp.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 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2420 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe Token: SeDebugPrivilege 2944 mstwain32.exe Token: SeDebugPrivilege 2944 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2420 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2944 mstwain32.exe 2944 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2944 2420 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe 28 PID 2420 wrote to memory of 2944 2420 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe 28 PID 2420 wrote to memory of 2944 2420 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe 28 PID 2420 wrote to memory of 2944 2420 efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe 28 -
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\efac659e6f2e77ec8b51a6c9a582927b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\efac659e6f2e77ec8b51a6c9a582927b_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\efac659e6f2e77ec8b51a6c9a582927b_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:2944
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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
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Downloads
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Filesize
119KB
MD5efac659e6f2e77ec8b51a6c9a582927b
SHA12898922eb2a33d201cd6a179d7fcd5fc9ec07a5f
SHA2564bb25e389b8ceee5dadfdd049a3f38b2b1709b2c334cf676017973f685310ae7
SHA51262455e42c09a89ed449f827565ba6606f5310dcbc4d3639ee16f3c1b8d2cfc96d455091728ab903c0eb772ea02bc077cc5815c87104584b44a63f34d51e845ee