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Analysis
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max time kernel
143s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2024, 10:41
Behavioral task
behavioral1
Sample
fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe
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Size
270KB
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MD5
fa422b5eb773592c225f7acfe26ebeb4
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SHA1
4c752c3b5ce36448facb0b403b2b2d97b13abb94
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SHA256
92cbeded5041d548b40144e2916167a8fde3790fda7eccc7764ef83c8034be13
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SHA512
68d5dcc33ae51042bdd893e393082c29eadc90305e65f33f058bc14d0ccb275077c768d3a1e763680e0f01347bca264ea2b44192becd83c2383bbc1f0c193418
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SSDEEP
6144:OG377xS2Vp2CeiorXdwTBgWx4v53ipcCJJvHJ:tr7xS2Vp6RwTyC3bJJvHJ
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/files/0x000400000001db17-4.dat modiloader_stage2 behavioral2/memory/4932-10-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-62-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/2820-65-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2820 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2820 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 2820 mstwain32.exe 2820 mstwain32.exe 2820 mstwain32.exe 2820 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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 fa422b5eb773592c225f7acfe26ebeb4_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\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4932 fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe Token: SeBackupPrivilege 3028 vssvc.exe Token: SeRestorePrivilege 3028 vssvc.exe Token: SeAuditPrivilege 3028 vssvc.exe Token: SeDebugPrivilege 2820 mstwain32.exe Token: SeDebugPrivilege 2820 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2820 mstwain32.exe 2820 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4932 wrote to memory of 2820 4932 fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe 85 PID 4932 wrote to memory of 2820 4932 fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe 85 PID 4932 wrote to memory of 2820 4932 fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe 85 -
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\fa422b5eb773592c225f7acfe26ebeb4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fa422b5eb773592c225f7acfe26ebeb4_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:4932 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fa422b5eb773592c225f7acfe26ebeb4_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:2820
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3028
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
MD56d8d8e7c67591e7fb86a680c4b0b632a
SHA12315b9d15e081f7b34c673a42051f51a7a0aab59
SHA256266710b33e85762f5d7c6fa9ca52934583e7f50786dddf23f800a8698399e18a
SHA512b52bf58069fe110b9d7d48ebf4b7140657a9f216084fef0dd82cfb090859efc6c33e528b23eedf37f5339990c10a9679e6bc0445b735cc4e336064c612cfaf52
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Filesize
270KB
MD5fa422b5eb773592c225f7acfe26ebeb4
SHA14c752c3b5ce36448facb0b403b2b2d97b13abb94
SHA25692cbeded5041d548b40144e2916167a8fde3790fda7eccc7764ef83c8034be13
SHA51268d5dcc33ae51042bdd893e393082c29eadc90305e65f33f058bc14d0ccb275077c768d3a1e763680e0f01347bca264ea2b44192becd83c2383bbc1f0c193418
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350