Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/04/2024, 15:22
Behavioral task
behavioral1
Sample
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
Resource
win10v2004-20240226-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 15 IoCs
resource yara_rule behavioral1/memory/1616-8-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055cf-7.dat modiloader_stage2 behavioral1/memory/2856-18-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-19-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-21-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-22-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-24-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-25-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-27-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-30-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2856-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2856 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2856 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\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 -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1616 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe Token: SeBackupPrivilege 2324 vssvc.exe Token: SeRestorePrivilege 2324 vssvc.exe Token: SeAuditPrivilege 2324 vssvc.exe Token: SeDebugPrivilege 2856 mstwain32.exe Token: SeDebugPrivilege 2856 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2856 mstwain32.exe 2856 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1616 wrote to memory of 2856 1616 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 PID 1616 wrote to memory of 2856 1616 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 PID 1616 wrote to memory of 2856 1616 e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe 31 PID 1616 wrote to memory of 2856 1616 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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616 -
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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2856
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2324
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
Loading Replay Monitor...
Downloads
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Filesize
270KB
MD5e53d28aa39fe85683d10a1f2ea531562
SHA19cd07aab2659d48cf0f96649f3a5764a2125bec0
SHA256ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
SHA512121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2