Analysis
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max time kernel
114s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-01-2025 01:00
Behavioral task
behavioral1
Sample
7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe
Resource
win10v2004-20241007-en
General
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Target
7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe
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Size
109KB
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MD5
b28a3837045fa13d0dd5787daa4ee150
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SHA1
5624f07e0ed35dab09e6d2bd8a57a90f72152c53
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SHA256
7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796
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SHA512
bde7f13dd14074748e82022b09c47f27c40f3c1f19edbb00ff4a561442fd42a7bab3ca7df410f35594bd88068d61d5108b7b1dad54e9caa5fa6e5e918b440bef
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SSDEEP
3072:Koy8j7VnNdrPHaSekwi+mW+2LCK+AMScout7:68jZ7rvaU3+mWr2K+3ScoS7
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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Modiloader family
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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 14 IoCs
resource yara_rule behavioral1/memory/1672-12-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-21-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-22-0x0000000075430000-0x0000000075520000-memory.dmp modiloader_stage2 behavioral1/memory/2832-23-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-27-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-30-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-33-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-36-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-40-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-43-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-46-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-49-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-52-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral1/memory/2832-55-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2832 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2832 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 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.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 -
resource yara_rule behavioral1/memory/1672-0-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/files/0x00060000000055d7-6.dat upx behavioral1/memory/1672-12-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-21-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-22-0x0000000075430000-0x0000000075520000-memory.dmp upx behavioral1/memory/2832-23-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-27-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-30-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-33-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-36-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-40-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-43-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-46-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-49-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-52-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral1/memory/2832-55-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe File opened for modification C:\Windows\mstwain32.exe 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.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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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 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1672 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe Token: SeBackupPrivilege 2332 vssvc.exe Token: SeRestorePrivilege 2332 vssvc.exe Token: SeAuditPrivilege 2332 vssvc.exe Token: SeDebugPrivilege 2832 mstwain32.exe Token: SeDebugPrivilege 2832 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2832 mstwain32.exe 2832 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1672 wrote to memory of 2832 1672 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe 34 PID 1672 wrote to memory of 2832 1672 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe 34 PID 1672 wrote to memory of 2832 1672 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe 34 PID 1672 wrote to memory of 2832 1672 7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe 34 -
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\7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.exe"C:\Users\Admin\AppData\Local\Temp\7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.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:1672 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\7e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796.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:2832
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2332
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
109KB
MD5b28a3837045fa13d0dd5787daa4ee150
SHA15624f07e0ed35dab09e6d2bd8a57a90f72152c53
SHA2567e3447e9bcd0e44cd2dc8364febe9f424b42c866e666b7e1eda5bf93eba2f796
SHA512bde7f13dd14074748e82022b09c47f27c40f3c1f19edbb00ff4a561442fd42a7bab3ca7df410f35594bd88068d61d5108b7b1dad54e9caa5fa6e5e918b440bef