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Analysis
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max time kernel
145s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/12/2024, 19:19
Behavioral task
behavioral1
Sample
d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe
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Size
110KB
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MD5
d33686d27badf0dba22b78022bcb456b
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SHA1
c5b8f2c220a9c61397250184ddf28e9db776dabc
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SHA256
edad34922dc6dff199345e3e8abf25400cb817e5f67796dd025a925d7f72919b
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SHA512
e2df6c781d1239299f74efb893f15dfa4b0d2f7d0798b10c06ab1c0c05d34f5ef8f27ba3c41ebf3ca34d107bcee44fec44f47c7ebed3539bbc3dfec93c8621be
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SSDEEP
3072:coy8j7VnNdrPHaSekwi+mW6tYOout7O5:M8jZ7rvaU3+mW4YOoSA
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" mstwain32.exe -
ModiLoader Second Stage 17 IoCs
resource yara_rule behavioral1/memory/1732-10-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-19-0x0000000075740000-0x0000000075830000-memory.dmp modiloader_stage2 behavioral1/memory/1904-20-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-22-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-25-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-28-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-31-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-34-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-37-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-40-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-43-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-46-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-49-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-52-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-55-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-58-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 behavioral1/memory/1904-61-0x0000000000400000-0x0000000000451000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 1904 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 d33686d27badf0dba22b78022bcb456b_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 -
resource yara_rule behavioral1/memory/1732-0-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1732-10-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/files/0x00090000000120f9-8.dat upx behavioral1/memory/1904-19-0x0000000075740000-0x0000000075830000-memory.dmp upx behavioral1/memory/1904-20-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-22-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-25-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-28-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-31-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-34-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-37-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-40-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-43-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-46-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-49-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-52-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-55-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-58-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1904-61-0x0000000000400000-0x0000000000451000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
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 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1732 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe Token: SeDebugPrivilege 1904 mstwain32.exe Token: SeDebugPrivilege 1904 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1904 mstwain32.exe 1904 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1732 wrote to memory of 1904 1732 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe 30 PID 1732 wrote to memory of 1904 1732 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe 30 PID 1732 wrote to memory of 1904 1732 d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe 30 PID 1732 wrote to memory of 1904 1732 d33686d27badf0dba22b78022bcb456b_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" mstwain32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d33686d27badf0dba22b78022bcb456b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d33686d27badf0dba22b78022bcb456b_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:1732 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.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:1904
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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
110KB
MD5d33686d27badf0dba22b78022bcb456b
SHA1c5b8f2c220a9c61397250184ddf28e9db776dabc
SHA256edad34922dc6dff199345e3e8abf25400cb817e5f67796dd025a925d7f72919b
SHA512e2df6c781d1239299f74efb893f15dfa4b0d2f7d0798b10c06ab1c0c05d34f5ef8f27ba3c41ebf3ca34d107bcee44fec44f47c7ebed3539bbc3dfec93c8621be