Analysis
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max time kernel
151s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19/03/2024, 15:28
Behavioral task
behavioral1
Sample
d67697ab632ca5f62471eef288d2b5e7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d67697ab632ca5f62471eef288d2b5e7.exe
Resource
win10v2004-20240226-en
General
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Target
d67697ab632ca5f62471eef288d2b5e7.exe
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Size
270KB
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MD5
d67697ab632ca5f62471eef288d2b5e7
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SHA1
b9fd67f900fd8abe27582a002df6efbfb26c5dfa
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SHA256
baabbbd11ccba0d1f0fb35a1b5b5866f9a477b3c50eec3d313fd112d48ecc9de
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SHA512
d363330892472b9f8eeebb1659dfe8fa6c186097bc58384c1afb143817612af1c76931dfe8495657df40e3201495650be5788b9eb3fa277fb518bc0ec523fef0
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SSDEEP
6144:KG377xS2Vp2CeiorXhwTBOz53SzpcCJJvH:Zr7xS2Vp6FwT3bJJvH
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/1960-0-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/files/0x00060000000055cf-6.dat modiloader_stage2 behavioral1/memory/1960-10-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-19-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-22-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-23-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-24-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-26-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-27-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-28-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-29-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-30-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-31-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-32-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-33-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/684-34-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 684 mstwain32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d67697ab632ca5f62471eef288d2b5e7.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe d67697ab632ca5f62471eef288d2b5e7.exe File opened for modification C:\Windows\mstwain32.exe d67697ab632ca5f62471eef288d2b5e7.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
description pid Process Token: SeDebugPrivilege 1960 d67697ab632ca5f62471eef288d2b5e7.exe Token: SeBackupPrivilege 2044 vssvc.exe Token: SeRestorePrivilege 2044 vssvc.exe Token: SeAuditPrivilege 2044 vssvc.exe Token: SeDebugPrivilege 684 mstwain32.exe Token: SeDebugPrivilege 684 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 684 mstwain32.exe 684 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1960 wrote to memory of 684 1960 d67697ab632ca5f62471eef288d2b5e7.exe 31 PID 1960 wrote to memory of 684 1960 d67697ab632ca5f62471eef288d2b5e7.exe 31 PID 1960 wrote to memory of 684 1960 d67697ab632ca5f62471eef288d2b5e7.exe 31 PID 1960 wrote to memory of 684 1960 d67697ab632ca5f62471eef288d2b5e7.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\d67697ab632ca5f62471eef288d2b5e7.exe"C:\Users\Admin\AppData\Local\Temp\d67697ab632ca5f62471eef288d2b5e7.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:684
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
270KB
MD5d67697ab632ca5f62471eef288d2b5e7
SHA1b9fd67f900fd8abe27582a002df6efbfb26c5dfa
SHA256baabbbd11ccba0d1f0fb35a1b5b5866f9a477b3c50eec3d313fd112d48ecc9de
SHA512d363330892472b9f8eeebb1659dfe8fa6c186097bc58384c1afb143817612af1c76931dfe8495657df40e3201495650be5788b9eb3fa277fb518bc0ec523fef0