Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 01:37
Behavioral task
behavioral1
Sample
c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe
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Size
273KB
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MD5
c547a942ed52350820b952f5297c7e14
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SHA1
49f7be1aa2bf1da163c83af8c6e439a233866f89
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SHA256
ddf5217e6f98a6d394d5bc776e03004e31111763048275eb41b402aff9036545
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SHA512
700b2df2525367873618565d6825b307986198f7063839b3fc0fc45d12d435591b4568177950ad1137dd7ae7ee0c9a335c5d87c2a292ee3575ddd72a011a83e4
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SSDEEP
6144:gG377xS2Vp2CeiorXdwTBgWx4b534QzqpcCJJvHS:Lr7xS2Vp6RwTyCZ9bJJvHS
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 16 IoCs
resource yara_rule behavioral2/files/0x000400000001db44-4.dat modiloader_stage2 behavioral2/memory/1892-10-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-26-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-29-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-32-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-35-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-38-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-41-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-44-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-47-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-50-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-53-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-56-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-59-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-62-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral2/memory/1096-65-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 1096 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1096 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 1096 mstwain32.exe 1096 mstwain32.exe 1096 mstwain32.exe 1096 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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 c547a942ed52350820b952f5297c7e14_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 c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe c547a942ed52350820b952f5297c7e14_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1892 c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe Token: SeBackupPrivilege 2644 vssvc.exe Token: SeRestorePrivilege 2644 vssvc.exe Token: SeAuditPrivilege 2644 vssvc.exe Token: SeDebugPrivilege 1096 mstwain32.exe Token: SeDebugPrivilege 1096 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1096 mstwain32.exe 1096 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1892 wrote to memory of 1096 1892 c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe 86 PID 1892 wrote to memory of 1096 1892 c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe 86 PID 1892 wrote to memory of 1096 1892 c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe 86 -
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\c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c547a942ed52350820b952f5297c7e14_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:1892 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\c547a942ed52350820b952f5297c7e14_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- 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:1096
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2644
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
33KB
MD57c3ff4d4d394fde7c693d04c488a55f8
SHA1ae2b2acc7e91a910f9075e0e095b528e97827ba4
SHA2564878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8
SHA51233c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a
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Filesize
273KB
MD5c547a942ed52350820b952f5297c7e14
SHA149f7be1aa2bf1da163c83af8c6e439a233866f89
SHA256ddf5217e6f98a6d394d5bc776e03004e31111763048275eb41b402aff9036545
SHA512700b2df2525367873618565d6825b307986198f7063839b3fc0fc45d12d435591b4568177950ad1137dd7ae7ee0c9a335c5d87c2a292ee3575ddd72a011a83e4
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350