Analysis
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max time kernel
144s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
22-09-2024 01:25
Behavioral task
behavioral1
Sample
f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe
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Size
1.4MB
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MD5
f1018ac1a7b66601ddb1471ae30dedec
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SHA1
e9429e7b1832fa0ba5ba62c10d51c78441d8b5b1
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SHA256
4301ee8abbd804200a68439ec40ca195a7c25167a64e63f0ecdc1b532ba7d0f4
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SHA512
cd957be8d4c246574746ed482bf3189be84be7868ee4b8dddf986b3cd74eb40b3848cbd4519392056f2ee8b3821e721915c13c7fb806fa86b5888146f86431ab
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SSDEEP
24576:xB9n3ffcZ5zEhKSAjY4/9Hxk4H9qRuJh/g5wo1X1nw8ZMmG0ns6ahYdM:x7nvkDDSw/lR7fJZ5ww8y7
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 30 IoCs
resource yara_rule behavioral1/memory/2268-2-0x0000000000401000-0x000000000041C000-memory.dmp modiloader_stage2 behavioral1/memory/2268-3-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/2268-4-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/2268-5-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/2268-6-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/2268-15-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-19-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-22-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-24-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-27-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-28-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-29-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-30-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-31-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-32-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-33-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-36-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-37-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-40-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-43-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-46-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-50-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-53-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-56-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-59-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-62-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-65-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-68-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-71-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 behavioral1/memory/928-74-0x0000000000400000-0x00000000006AA000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 928 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 928 mstwain32.exe -
resource yara_rule behavioral1/memory/2268-3-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/2268-4-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/2268-5-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/2268-6-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/files/0x00060000000055cf-11.dat themida behavioral1/memory/928-17-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/2268-15-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-19-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-22-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-24-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-27-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-28-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-29-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-30-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-31-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-32-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-33-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-36-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-37-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-40-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-43-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-46-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-50-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-53-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-56-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-59-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-62-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-65-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-68-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-71-0x0000000000400000-0x00000000006AA000-memory.dmp themida behavioral1/memory/928-74-0x0000000000400000-0x00000000006AA000-memory.dmp themida -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 f1018ac1a7b66601ddb1471ae30dedec_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 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f1018ac1a7b66601ddb1471ae30dedec_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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2268 f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe 928 mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2268 f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe Token: SeBackupPrivilege 2668 vssvc.exe Token: SeRestorePrivilege 2668 vssvc.exe Token: SeAuditPrivilege 2668 vssvc.exe Token: SeDebugPrivilege 928 mstwain32.exe Token: SeDebugPrivilege 928 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 928 mstwain32.exe 928 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2268 wrote to memory of 928 2268 f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe 32 PID 2268 wrote to memory of 928 2268 f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe 32 PID 2268 wrote to memory of 928 2268 f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe 32 PID 2268 wrote to memory of 928 2268 f1018ac1a7b66601ddb1471ae30dedec_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\f1018ac1a7b66601ddb1471ae30dedec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f1018ac1a7b66601ddb1471ae30dedec_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:2268 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f1018ac1a7b66601ddb1471ae30dedec_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:928
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2668
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
1.4MB
MD5f1018ac1a7b66601ddb1471ae30dedec
SHA1e9429e7b1832fa0ba5ba62c10d51c78441d8b5b1
SHA2564301ee8abbd804200a68439ec40ca195a7c25167a64e63f0ecdc1b532ba7d0f4
SHA512cd957be8d4c246574746ed482bf3189be84be7868ee4b8dddf986b3cd74eb40b3848cbd4519392056f2ee8b3821e721915c13c7fb806fa86b5888146f86431ab