Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 02:38
Behavioral task
behavioral1
Sample
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe
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Size
194KB
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MD5
8eb99bfa4661173013caa33ef3480042
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SHA1
10f8c3bc07d0dba10f0b0589c2b489c87bce944e
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SHA256
61e6786a5789b9e867a315d45c37c759ddf72356ffde6c928f1ef5e01e4d2c21
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SHA512
0d888aef5127bc5c49f08258b29f49d0c677e697a5ae64fa04e31810002e08ca59588c810fb1c43cba9522b24338e325120cec39fcd82cac5479b5b05da5de75
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SSDEEP
3072:/oy8j7VnNdrPHaSekwi+mWRvMCIPltbout798eaJcl/p:P8jZ7rvaU3+mWRyP3boSr4O/
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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Processes:
mstwain32.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 17 IoCs
Processes:
resource yara_rule behavioral2/memory/4416-10-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/2056-15-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-29-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-30-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-33-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-36-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-39-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-42-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-45-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-48-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-51-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-54-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-57-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-60-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-63-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-66-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 behavioral2/memory/4416-69-0x0000000000400000-0x000000000047A000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid Process 4416 mstwain32.exe -
Loads dropped DLL 4 IoCs
Processes:
mstwain32.exepid Process 4416 mstwain32.exe 4416 mstwain32.exe 4416 mstwain32.exe 4416 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exemstwain32.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8eb99bfa4661173013caa33ef3480042_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 -
Processes:
resource yara_rule behavioral2/memory/2056-0-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/files/0x000400000001db09-5.dat upx behavioral2/memory/4416-10-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/2056-15-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-29-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-30-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-33-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-36-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-39-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-42-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-45-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-48-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-51-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-54-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-57-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-60-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-63-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-66-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral2/memory/4416-69-0x0000000000400000-0x000000000047A000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
Processes:
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exemstwain32.exedescription ioc Process File created C:\Windows\mstwain32.exe 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.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.
Processes:
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exemstwain32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exevssvc.exemstwain32.exedescription pid Process Token: SeDebugPrivilege 2056 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe Token: SeBackupPrivilege 4020 vssvc.exe Token: SeRestorePrivilege 4020 vssvc.exe Token: SeAuditPrivilege 4020 vssvc.exe Token: SeDebugPrivilege 4416 mstwain32.exe Token: SeDebugPrivilege 4416 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid Process 4416 mstwain32.exe 4416 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exedescription pid Process procid_target PID 2056 wrote to memory of 4416 2056 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe 90 PID 2056 wrote to memory of 4416 2056 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe 90 PID 2056 wrote to memory of 4416 2056 8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe 90 -
System policy modification 1 TTPs 1 IoCs
Processes:
mstwain32.exedescription 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\8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe"1⤵
- Checks computer location settings
- 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:2056 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- 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:4416
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4020
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
33KB
MD574046296beae07f57b1af1c8516bf869
SHA11f9c1add40b8a945a3d0621e7564ae5a3910aedb
SHA256aa151cf3c30ca27f0301a16333f73c8082352c1f0adde2bb0327db4769e713dd
SHA51268c627ecdcfad07bfb5fc9d13166bbf1ca733887343d194c409c5d2e3b3543ccd08e195eb7347fb3fb288cb9c1fc464dd2f194df2b6f6e0401d928901ae3e75a
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Filesize
194KB
MD58eb99bfa4661173013caa33ef3480042
SHA110f8c3bc07d0dba10f0b0589c2b489c87bce944e
SHA25661e6786a5789b9e867a315d45c37c759ddf72356ffde6c928f1ef5e01e4d2c21
SHA5120d888aef5127bc5c49f08258b29f49d0c677e697a5ae64fa04e31810002e08ca59588c810fb1c43cba9522b24338e325120cec39fcd82cac5479b5b05da5de75
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350