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Analysis
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max time kernel
143s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04/03/2024, 13:59
Static task
static1
Behavioral task
behavioral1
Sample
b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe
Resource
win10v2004-20240226-en
General
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Target
b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe
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Size
971KB
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MD5
b24d4a4e7fa3c44aca03de5f7fdb5c6e
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SHA1
9e23dd87834318528574088330dd5936afdf0749
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SHA256
6c4a649a0f9b10174c6556de62e77fd1551492f500c498b463466f6da4be20aa
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SHA512
bc8ffb6521e0c625ff3a0f8f5ceef603fbc03fc7b9320f0f431cafb9d6c46bc9591152a714910e16ab01dc08320a787fcd2d67bdb1e332da2e19651ce2621c60
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SSDEEP
24576:Mpo/2+ttPJLfpRK3CjfvWEv8W8CcQy2U1VZx4n:Fe2PJLa3CjfOEEZKyvE
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 28 IoCs
resource yara_rule behavioral1/memory/2012-5-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-7-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-9-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-11-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-13-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-15-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-16-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-17-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-18-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/2012-24-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-44-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-46-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-53-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-54-0x0000000076EF0000-0x0000000076FE0000-memory.dmp modiloader_stage2 behavioral1/memory/1736-56-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-58-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-60-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-61-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-62-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-64-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-65-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-66-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-67-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-68-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-69-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-70-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-71-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral1/memory/1736-72-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Executes dropped EXE 2 IoCs
pid Process 1456 mstwain32.exe 1736 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" 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 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/2196-0-0x0000000000400000-0x00000000004C3000-memory.dmp autoit_exe behavioral1/memory/1456-25-0x0000000000400000-0x00000000004C3000-memory.dmp autoit_exe behavioral1/files/0x00060000000055d8-23.dat autoit_exe behavioral1/files/0x00060000000055d8-27.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2196 set thread context of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe File opened for modification C:\Windows\mstwain32.exe b24d4a4e7fa3c44aca03de5f7fdb5c6e.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 2012 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe Token: SeBackupPrivilege 2508 vssvc.exe Token: SeRestorePrivilege 2508 vssvc.exe Token: SeAuditPrivilege 2508 vssvc.exe Token: SeDebugPrivilege 1736 mstwain32.exe Token: SeDebugPrivilege 1736 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1736 mstwain32.exe 1736 mstwain32.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2196 wrote to memory of 2012 2196 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 28 PID 2012 wrote to memory of 1456 2012 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 32 PID 2012 wrote to memory of 1456 2012 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 32 PID 2012 wrote to memory of 1456 2012 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 32 PID 2012 wrote to memory of 1456 2012 b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe 32 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 PID 1456 wrote to memory of 1736 1456 mstwain32.exe 33 -
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\b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe"C:\Users\Admin\AppData\Local\Temp\b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Users\Admin\AppData\Local\Temp\b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe"C:\Users\Admin\AppData\Local\Temp\b24d4a4e7fa3c44aca03de5f7fdb5c6e.exe"2⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"4⤵
- UAC bypass
- 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:1736
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2508
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
971KB
MD5b24d4a4e7fa3c44aca03de5f7fdb5c6e
SHA19e23dd87834318528574088330dd5936afdf0749
SHA2566c4a649a0f9b10174c6556de62e77fd1551492f500c498b463466f6da4be20aa
SHA512bc8ffb6521e0c625ff3a0f8f5ceef603fbc03fc7b9320f0f431cafb9d6c46bc9591152a714910e16ab01dc08320a787fcd2d67bdb1e332da2e19651ce2621c60
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Filesize
119KB
MD5db726468fa893b57b645276eddd8f856
SHA1831058e26a2b4f8332401ea1131f801f026efd5a
SHA2562655885cd40659bb4b41fbb5adb18e4e999bc34c3a7bbd652f3039622b4c19e0
SHA512a804f90dbabf1f01e7f74183c3cb781f12c3cb29937ba02f2e41d19b4df98b5e9e78def1e538be74283f26152acd866476204354264eb536fdc4d280b1709eef