Analysis
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max time kernel
143s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-09-2024 17:16
Behavioral task
behavioral1
Sample
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
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Size
270KB
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MD5
e53d28aa39fe85683d10a1f2ea531562
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SHA1
9cd07aab2659d48cf0f96649f3a5764a2125bec0
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SHA256
ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
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SHA512
121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53NpcCJJvH:Zr7xS2Vp6FwTObJJvH
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 behavioral1/memory/628-8-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055d7-7.dat modiloader_stage2 behavioral1/memory/1652-18-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-22-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-35-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-38-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-41-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-47-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-50-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1652-59-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 1652 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 1652 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 e53d28aa39fe85683d10a1f2ea531562_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 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
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 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 628 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe Token: SeBackupPrivilege 1708 vssvc.exe Token: SeRestorePrivilege 1708 vssvc.exe Token: SeAuditPrivilege 1708 vssvc.exe Token: SeDebugPrivilege 1652 mstwain32.exe Token: SeDebugPrivilege 1652 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1652 mstwain32.exe 1652 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 628 wrote to memory of 1652 628 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 PID 628 wrote to memory of 1652 628 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 PID 628 wrote to memory of 1652 628 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 PID 628 wrote to memory of 1652 628 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 -
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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"1⤵
- 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:628 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- 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:1652
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1708
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
270KB
MD5e53d28aa39fe85683d10a1f2ea531562
SHA19cd07aab2659d48cf0f96649f3a5764a2125bec0
SHA256ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
SHA512121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2