Analysis
-
max time kernel
147s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 17:30
Behavioral task
behavioral1
Sample
f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe
-
Size
109KB
-
MD5
f04c9bc862af356140be373005c6bc19
-
SHA1
8afe227e9194487cb8212713be8e379910339ff8
-
SHA256
38291eeb3ede9544299a5114a194e675c3baf3e9eec36fd75f303593bd848e31
-
SHA512
10e06acf58174acfd280f66887468bf19de878b2776d5aaa458479646c268ff05467cdcd033dd52bf79869917a10622e4d4623344d8e88d507656280fc81ed6f
-
SSDEEP
3072:moy8j7VnNdrPHaSekwi+mW+2u8UYQ7WVw2Tout:G8jZ7rvaU3+mWru8UuVw2ToS
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 19 IoCs
resource yara_rule behavioral1/memory/1952-14-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1952-13-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-22-0x0000000075B40000-0x0000000075C30000-memory.dmp modiloader_stage2 behavioral1/memory/1612-23-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-24-0x0000000075B40000-0x0000000075C30000-memory.dmp modiloader_stage2 behavioral1/memory/1612-25-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-29-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-32-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-35-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-38-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-42-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-45-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-48-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-51-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-54-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-57-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-60-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-63-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/1612-66-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1612 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1612 mstwain32.exe -
resource yara_rule behavioral1/memory/1952-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/files/0x00060000000055d8-7.dat upx behavioral1/memory/1952-14-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1952-13-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1952-11-0x00000000036F0000-0x0000000003740000-memory.dmp upx behavioral1/memory/1612-23-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-24-0x0000000075B40000-0x0000000075C30000-memory.dmp upx behavioral1/memory/1612-25-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-29-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-32-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-35-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-38-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-42-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-45-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-48-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-51-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-54-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-57-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-60-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-63-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/1612-66-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\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 f04c9bc862af356140be373005c6bc19_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\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f04c9bc862af356140be373005c6bc19_JaffaCakes118.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 f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1952 f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe Token: SeBackupPrivilege 2188 vssvc.exe Token: SeRestorePrivilege 2188 vssvc.exe Token: SeAuditPrivilege 2188 vssvc.exe Token: SeDebugPrivilege 1612 mstwain32.exe Token: SeDebugPrivilege 1612 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1612 mstwain32.exe 1612 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1952 wrote to memory of 1612 1952 f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe 33 PID 1952 wrote to memory of 1612 1952 f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe 33 PID 1952 wrote to memory of 1612 1952 f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe 33 PID 1952 wrote to memory of 1612 1952 f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe 33 -
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
-
C:\Users\Admin\AppData\Local\Temp\f04c9bc862af356140be373005c6bc19_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f04c9bc862af356140be373005c6bc19_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:1952 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f04c9bc862af356140be373005c6bc19_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 use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1612
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2188
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
-
Filesize
109KB
MD5f04c9bc862af356140be373005c6bc19
SHA18afe227e9194487cb8212713be8e379910339ff8
SHA25638291eeb3ede9544299a5114a194e675c3baf3e9eec36fd75f303593bd848e31
SHA51210e06acf58174acfd280f66887468bf19de878b2776d5aaa458479646c268ff05467cdcd033dd52bf79869917a10622e4d4623344d8e88d507656280fc81ed6f