Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 23:50
Behavioral task
behavioral1
Sample
ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe
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Size
108KB
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MD5
ec6cc1fd291b219a0efb230025b7c22c
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SHA1
ebaeb9b51f0e71d677657b2afa83485af2294f23
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SHA256
6c1b0cb5d95c45f8b0e412b4aeed95fcfa5b6ee33b86fc6f47669c9d2b8cea5e
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SHA512
cb9d6d5678ba4653d05e82b211da4487a259733d740de27f49b081f8628f524fcbaa048d82661e17edb018a6b29f21867c8a9863611de10f9fb30a73796f16ae
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SSDEEP
1536:IVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09+2Cw2kRoKZmrcV/h:moy8j7VnNdrPHaSekwi+mW+22M//out
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 16 IoCs
resource yara_rule behavioral2/memory/1892-12-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-28-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-29-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-32-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-35-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-38-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-41-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-44-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-47-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-50-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-53-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-56-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-59-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-62-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-65-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/2272-68-0x0000000000400000-0x0000000000450000-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2272 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2272 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 2272 mstwain32.exe 2272 mstwain32.exe 2272 mstwain32.exe 2272 mstwain32.exe -
resource yara_rule behavioral2/memory/1892-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/files/0x00080000000234d9-6.dat upx behavioral2/memory/1892-12-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-28-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-29-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-32-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-35-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-38-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-41-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-44-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-47-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-50-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-53-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-56-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-59-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-62-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-65-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/2272-68-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\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 ec6cc1fd291b219a0efb230025b7c22c_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 ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe ec6cc1fd291b219a0efb230025b7c22c_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 ec6cc1fd291b219a0efb230025b7c22c_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 ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe Token: SeBackupPrivilege 1564 vssvc.exe Token: SeRestorePrivilege 1564 vssvc.exe Token: SeAuditPrivilege 1564 vssvc.exe Token: SeDebugPrivilege 2272 mstwain32.exe Token: SeDebugPrivilege 2272 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2272 mstwain32.exe 2272 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1892 wrote to memory of 2272 1892 ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe 89 PID 1892 wrote to memory of 2272 1892 ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe 89 PID 1892 wrote to memory of 2272 1892 ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe 89 -
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\ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ec6cc1fd291b219a0efb230025b7c22c_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\ec6cc1fd291b219a0efb230025b7c22c_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:2272
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1564
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
MD57fb20cccce53f5e72db6bb9d711680a4
SHA15bdec0c3a654932afe1649386bfa32766adffdbb
SHA25644e43c1865a161b07592de987211126904a22489771c4201f99447b3c6e60602
SHA512a696fda6de6f30252f48a8064cb9b4620e29d12e0711babb717e7c28fd506751d32f99325915232018e315a70a1d305ba3f77196699d15aa5626f1e5bcd67a20
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Filesize
108KB
MD5ec6cc1fd291b219a0efb230025b7c22c
SHA1ebaeb9b51f0e71d677657b2afa83485af2294f23
SHA2566c1b0cb5d95c45f8b0e412b4aeed95fcfa5b6ee33b86fc6f47669c9d2b8cea5e
SHA512cb9d6d5678ba4653d05e82b211da4487a259733d740de27f49b081f8628f524fcbaa048d82661e17edb018a6b29f21867c8a9863611de10f9fb30a73796f16ae
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350