Analysis
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max time kernel
148s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/09/2024, 20:09
Static task
static1
Behavioral task
behavioral1
Sample
d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe
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Size
1.9MB
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MD5
d05dda867da2e3cb9a4157d34dd035d3
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SHA1
fd5c2100ea5f93a4520afed877fd21a0fa957665
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SHA256
f9a6641ddf57044ce70baa59f5a2d164d3569bd7e9ab84e57f77ea3c4adb9b23
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SHA512
cbbfaeba98ab5983d8400452bc14c22ff7a3df37e3d63cb0923be3ccabfd7b89892920d853e7f40a05edeab076e8101a2ff77adff1dc6b454cffd61128275677
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SSDEEP
49152:my3sa3IVABIswn+Vb7AWbAmTQFNVIFmyFP7t:mIx3m+VQ8QPyFP5
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 33 IoCs
resource yara_rule behavioral1/memory/828-2-0x0000000000401000-0x000000000041C000-memory.dmp modiloader_stage2 behavioral1/memory/828-4-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/828-3-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/828-5-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/828-7-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/828-11-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/828-17-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/828-19-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-24-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-27-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-28-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-29-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-30-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-31-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-32-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-33-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-34-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-37-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-38-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-39-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-40-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-43-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-46-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-49-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-53-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-56-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-59-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-62-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-65-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-68-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-71-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-74-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 behavioral1/memory/2952-77-0x0000000000400000-0x00000000007DB000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2952 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2952 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe d05dda867da2e3cb9a4157d34dd035d3_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 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 828 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe 2952 mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 828 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe Token: SeBackupPrivilege 2876 vssvc.exe Token: SeRestorePrivilege 2876 vssvc.exe Token: SeAuditPrivilege 2876 vssvc.exe Token: SeDebugPrivilege 2952 mstwain32.exe Token: SeDebugPrivilege 2952 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2952 mstwain32.exe 2952 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 828 wrote to memory of 2952 828 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe 34 PID 828 wrote to memory of 2952 828 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe 34 PID 828 wrote to memory of 2952 828 d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe 34 PID 828 wrote to memory of 2952 828 d05dda867da2e3cb9a4157d34dd035d3_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\d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d05dda867da2e3cb9a4157d34dd035d3_JaffaCakes118.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d05dda867da2e3cb9a4157d34dd035d3_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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2952
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2876
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
1.9MB
MD5d05dda867da2e3cb9a4157d34dd035d3
SHA1fd5c2100ea5f93a4520afed877fd21a0fa957665
SHA256f9a6641ddf57044ce70baa59f5a2d164d3569bd7e9ab84e57f77ea3c4adb9b23
SHA512cbbfaeba98ab5983d8400452bc14c22ff7a3df37e3d63cb0923be3ccabfd7b89892920d853e7f40a05edeab076e8101a2ff77adff1dc6b454cffd61128275677