Analysis
-
max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2024 23:13
Behavioral task
behavioral1
Sample
03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe
-
Size
404KB
-
MD5
03955d1ee49cc59f25679fef39fd26e4
-
SHA1
47fe2d45c27ee486084785daa82a2940371a9cef
-
SHA256
895428b959275b41a7c416b6f5d46f7b8398de0bfe708a769b85b856083a4a6f
-
SHA512
eb236c6a0f064740f17d07f56bb6fce739663bd79075f2c2a79da478ae8559457af391a3ba8821228b684b9fa8a8095c824835414110bfe4a33e866aa07644c4
-
SSDEEP
6144:uIrPj0NmWtNNWxHoSGDa3rq3ooptccJR68vdGeu0urZY+jTKpK:uq0NxuoSOddGeu0urZY+jTKpK
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 16 IoCs
resource yara_rule behavioral2/memory/1052-14-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-30-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-31-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-34-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-37-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-40-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-43-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-46-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-49-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-52-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-55-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-58-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-61-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-64-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-67-0x0000000000400000-0x00000000004E2000-memory.dmp modiloader_stage2 behavioral2/memory/2424-70-0x0000000000400000-0x00000000004E2000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2424 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2424 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 2424 mstwain32.exe 2424 mstwain32.exe 2424 mstwain32.exe 2424 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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 03955d1ee49cc59f25679fef39fd26e4_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 -
resource yara_rule behavioral2/memory/1052-0-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/files/0x000600000001db34-7.dat upx behavioral2/memory/1052-14-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-30-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-31-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-34-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-37-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-40-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-43-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-46-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-49-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-52-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-55-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-58-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-61-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-64-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-67-0x0000000000400000-0x00000000004E2000-memory.dmp upx behavioral2/memory/2424-70-0x0000000000400000-0x00000000004E2000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 03955d1ee49cc59f25679fef39fd26e4_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).
-
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 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1052 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe Token: SeDebugPrivilege 2424 mstwain32.exe Token: SeDebugPrivilege 2424 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1052 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2424 mstwain32.exe 2424 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1052 wrote to memory of 2424 1052 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe 87 PID 1052 wrote to memory of 2424 1052 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe 87 PID 1052 wrote to memory of 2424 1052 03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe 87 -
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
Processes
-
C:\Users\Admin\AppData\Local\Temp\03955d1ee49cc59f25679fef39fd26e4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\03955d1ee49cc59f25679fef39fd26e4_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\03955d1ee49cc59f25679fef39fd26e4_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:2424
-
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
32KB
MD5290a8b2f79c3205d8c65354cd8a35728
SHA1d4dced814101c481c972fcc6ad0227a34064fccf
SHA25606e79489e59466562f52a0c50214227cc6630ce94f9c5c56b8e1523bd329651a
SHA512a87c8c04ebba1e44c2338d85cc708fe761bd1a1c634e8f0e9198b1e4c195e42b6c2b601f7d3dd61cd4df4e66e7e373a3c40b54e35efb505317a957fda7e1ebfb
-
Filesize
404KB
MD503955d1ee49cc59f25679fef39fd26e4
SHA147fe2d45c27ee486084785daa82a2940371a9cef
SHA256895428b959275b41a7c416b6f5d46f7b8398de0bfe708a769b85b856083a4a6f
SHA512eb236c6a0f064740f17d07f56bb6fce739663bd79075f2c2a79da478ae8559457af391a3ba8821228b684b9fa8a8095c824835414110bfe4a33e866aa07644c4
-
Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350