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Analysis
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max time kernel
141s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27/09/2024, 16:20
Behavioral task
behavioral1
Sample
fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe
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Size
140KB
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MD5
fabc0f2dc089b906b46973964ac182cf
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SHA1
60a2fe2dce3202f4bd90fa29b5d6256f7cb3b4ec
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SHA256
f9c3695b70bfc660b44ce412d42201b54e1b70622407c4bbb2599da9193ed678
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SHA512
831069002facc3919ef1843a1bee26b29cc563b663ccd6edca4ff31ae233f54af35304d6ef17bfc3e83f27b2b2aafdace48f6fb01fc22a912f093873339a2057
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SSDEEP
3072:7oy8j7VnNdrPHaSekwi+mWtt1a2out4TELtdDebKL/v:78jZ7rvaU3+mWttXoSgEZsW
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 20 IoCs
resource yara_rule behavioral1/memory/396-4-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/396-6-0x00000000029A0000-0x00000000029B0000-memory.dmp modiloader_stage2 behavioral1/memory/396-13-0x0000000002AF0000-0x0000000002B4E000-memory.dmp modiloader_stage2 behavioral1/memory/396-12-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-22-0x0000000076E30000-0x0000000076F20000-memory.dmp modiloader_stage2 behavioral1/memory/808-23-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-24-0x0000000076E30000-0x0000000076F20000-memory.dmp modiloader_stage2 behavioral1/memory/808-25-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-29-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-32-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-35-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-39-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-42-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-45-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-48-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-51-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-54-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-57-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-60-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 behavioral1/memory/808-63-0x0000000000400000-0x000000000045E000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 808 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process 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 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
resource yara_rule behavioral1/memory/396-0-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/396-4-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/files/0x00060000000055cf-8.dat upx behavioral1/memory/396-12-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-23-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-25-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-29-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-32-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-35-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-39-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-42-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-45-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-48-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-51-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-54-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-57-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-60-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/808-63-0x0000000000400000-0x000000000045E000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe fabc0f2dc089b906b46973964ac182cf_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 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 396 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe Token: SeBackupPrivilege 2296 vssvc.exe Token: SeRestorePrivilege 2296 vssvc.exe Token: SeAuditPrivilege 2296 vssvc.exe Token: SeDebugPrivilege 808 mstwain32.exe Token: SeDebugPrivilege 808 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 808 mstwain32.exe 808 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 396 wrote to memory of 808 396 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe 32 PID 396 wrote to memory of 808 396 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe 32 PID 396 wrote to memory of 808 396 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe 32 PID 396 wrote to memory of 808 396 fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe 32 -
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\fabc0f2dc089b906b46973964ac182cf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fabc0f2dc089b906b46973964ac182cf_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:396 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fabc0f2dc089b906b46973964ac182cf_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:808
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2296
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
140KB
MD5fabc0f2dc089b906b46973964ac182cf
SHA160a2fe2dce3202f4bd90fa29b5d6256f7cb3b4ec
SHA256f9c3695b70bfc660b44ce412d42201b54e1b70622407c4bbb2599da9193ed678
SHA512831069002facc3919ef1843a1bee26b29cc563b663ccd6edca4ff31ae233f54af35304d6ef17bfc3e83f27b2b2aafdace48f6fb01fc22a912f093873339a2057