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
03-12-2024 13:10
Behavioral task
behavioral1
Sample
bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe
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Size
729KB
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MD5
bd8b58dc190b2f02467fc66f7d47c5d9
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SHA1
a8430ade30406cc9a414b1ca77b6c7417696b9f6
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SHA256
59953aceecaff9484f9dbab819193179f6f750829cf1a29b71c5d8e98abaa335
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SHA512
bd2fe1773c4046b577cc0589d9b3822fd51d4a62a4839967b5e1b4cd2be5efa0d1190b513347693978819a907771cfbd8a169b3f4c0e3b93cc7d2491c3d3d7f5
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SSDEEP
12288:hH1xoEw3PPWhVIVtn1jS8tnUbhY0pSbDOcxskWKpG+NdL:Z1+Ewln1xQhYWSzxsklpG+NdL
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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Modiloader family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Tuko01.exe -
ModiLoader Second Stage 27 IoCs
resource yara_rule behavioral1/memory/2764-1-0x0000000000401000-0x000000000041C000-memory.dmp modiloader_stage2 behavioral1/memory/2764-2-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2764-12-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2764-11-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-17-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-19-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-22-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-23-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-24-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-25-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-26-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-27-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-28-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-31-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-32-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-35-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-38-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-41-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-44-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-47-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-50-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-53-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-56-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-59-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-62-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-65-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 behavioral1/memory/2664-68-0x0000000000400000-0x00000000004E3000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2664 Tuko01.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine Tuko01.exe -
resource yara_rule behavioral1/memory/2764-0-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2764-2-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/files/0x0008000000012102-8.dat themida behavioral1/memory/2664-14-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2764-12-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2764-11-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-17-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-19-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-22-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-23-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-24-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-25-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-26-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-27-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-28-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-31-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-32-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-35-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-38-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-41-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-44-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-47-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-50-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-53-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-56-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-59-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-62-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-65-0x0000000000400000-0x00000000004E3000-memory.dmp themida behavioral1/memory/2664-68-0x0000000000400000-0x00000000004E3000-memory.dmp themida -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tuko01arq = "C:\\Windows\\Tuko01.exe" Tuko01.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Tuko01.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Tuko01.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Tuko01.exe bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe File opened for modification C:\Windows\Tuko01.exe bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll Tuko01.exe File created C:\Windows\cmsetac.dll Tuko01.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 bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Tuko01.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2764 bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe Token: SeDebugPrivilege 2664 Tuko01.exe Token: SeDebugPrivilege 2664 Tuko01.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2664 Tuko01.exe 2664 Tuko01.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2764 wrote to memory of 2664 2764 bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe 30 PID 2764 wrote to memory of 2664 2764 bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe 30 PID 2764 wrote to memory of 2664 2764 bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe 30 PID 2764 wrote to memory of 2664 2764 bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe 30 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Tuko01.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd8b58dc190b2f02467fc66f7d47c5d9_JaffaCakes118.exe"1⤵
- Identifies Wine through registry keys
- 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:2764 -
C:\Windows\Tuko01.exe"C:\Windows\Tuko01.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Identifies Wine through registry keys
- 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:2664
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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
3Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
729KB
MD5bd8b58dc190b2f02467fc66f7d47c5d9
SHA1a8430ade30406cc9a414b1ca77b6c7417696b9f6
SHA25659953aceecaff9484f9dbab819193179f6f750829cf1a29b71c5d8e98abaa335
SHA512bd2fe1773c4046b577cc0589d9b3822fd51d4a62a4839967b5e1b4cd2be5efa0d1190b513347693978819a907771cfbd8a169b3f4c0e3b93cc7d2491c3d3d7f5