Analysis
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max time kernel
142s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
03-05-2024 14:52
Behavioral task
behavioral1
Sample
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe
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Size
270KB
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MD5
10c6f2ab630e600b78ed200b381e7040
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SHA1
fde4d24d51c1ce8990a6c4a95d31b54139cafd92
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SHA256
0bc43275172f6b2c4af4d7518beb64cad28ab6cddade83e042d89654e7bc8355
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SHA512
39f8a473b40615ebc98ca894dc2574f27a197c0fd238313c2a95a121a5976819984e58682d598f1e003e8d9063d7bdfdf949945d1704d221c9c0f4a847ee1d88
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53ciSpcCJJvH:Zr7xS2Vp6FwTbiSbJJvH
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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Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 16 IoCs
Processes:
resource yara_rule C:\Windows\mstwain32.exe modiloader_stage2 behavioral2/memory/4788-10-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-62-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/1076-65-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation 10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
mstwain32.exepid process 1076 mstwain32.exe -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid process 1076 mstwain32.exe -
Loads dropped DLL 4 IoCs
Processes:
mstwain32.exepid process 1076 mstwain32.exe 1076 mstwain32.exe 1076 mstwain32.exe 1076 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Processes:
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exemstwain32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 10c6f2ab630e600b78ed200b381e7040_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
Processes:
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exemstwain32.exedescription ioc process File created C:\Windows\mstwain32.exe 10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe 10c6f2ab630e600b78ed200b381e7040_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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Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exevssvc.exemstwain32.exedescription pid process Token: SeDebugPrivilege 4788 10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe Token: SeBackupPrivilege 3024 vssvc.exe Token: SeRestorePrivilege 3024 vssvc.exe Token: SeAuditPrivilege 3024 vssvc.exe Token: SeDebugPrivilege 1076 mstwain32.exe Token: SeDebugPrivilege 1076 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 1076 mstwain32.exe 1076 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exedescription pid process target process PID 4788 wrote to memory of 1076 4788 10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe mstwain32.exe PID 4788 wrote to memory of 1076 4788 10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe mstwain32.exe PID 4788 wrote to memory of 1076 4788 10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe mstwain32.exe -
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\10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\10c6f2ab630e600b78ed200b381e7040_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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1076
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3024
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
1Replay Monitor
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Downloads
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Filesize
33KB
MD5ffd14b863df7d127683a529a00e55657
SHA10ce631feb557731af3555a9c595beae9bd5fdcbc
SHA25698badef8039a15955436e3faca5a7f02a19962c88cd0350f072ffcd35a43dfb3
SHA512800276b3cd2a530f5fc4a2310492422f6b0c3f315c2fc8707b557ac1a92fb65ed72fc733f788484b2f9c13d8998e1558ee9f92565ca0fca8337e89761122c4f2
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Filesize
270KB
MD510c6f2ab630e600b78ed200b381e7040
SHA1fde4d24d51c1ce8990a6c4a95d31b54139cafd92
SHA2560bc43275172f6b2c4af4d7518beb64cad28ab6cddade83e042d89654e7bc8355
SHA51239f8a473b40615ebc98ca894dc2574f27a197c0fd238313c2a95a121a5976819984e58682d598f1e003e8d9063d7bdfdf949945d1704d221c9c0f4a847ee1d88
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350