Analysis
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max time kernel
150s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 01:18
Behavioral task
behavioral1
Sample
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
Resource
win10v2004-20241007-en
General
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Target
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe
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Size
651KB
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MD5
8794d806c98728025528893f4dc79ba3
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SHA1
366db2c7b135196e43ef1ba22806bf9cc8c07f30
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SHA256
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747
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SHA512
7ba8d5dea97b7513febac34872eed4fe1ca686cb7322ee4c9c89ba481c7055938e6b3cd5aa19f661cef4cb72dcd0489de3dc01e7e76d6c33b7f3f8bf00bf8a2a
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SSDEEP
12288:kpyZT1QrCxu/mDwLRI6BxcDqp9aqCcajVuD3Z7BPQGMWYur0s0D:kUx1QjOD3SxcDDcNDqWYurL0
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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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
dHY4IvP3.exevaoca.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dHY4IvP3.exe Set value (int) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vaoca.exe -
Modiloader family
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ModiLoader Second Stage 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2000-14-0x0000000000400000-0x0000000000507000-memory.dmp modiloader_stage2 behavioral1/memory/2000-15-0x0000000000400000-0x0000000000507000-memory.dmp modiloader_stage2 behavioral1/memory/2348-11-0x0000000000400000-0x000000000041C000-memory.dmp modiloader_stage2 behavioral1/files/0x0008000000016858-45.dat modiloader_stage2 behavioral1/memory/2824-70-0x0000000000400000-0x000000000041B000-memory.dmp modiloader_stage2 behavioral1/files/0x0004000000004ed7-72.dat modiloader_stage2 behavioral1/memory/2000-79-0x0000000000400000-0x0000000000507000-memory.dmp modiloader_stage2 behavioral1/memory/2156-92-0x0000000000400000-0x000000000041B000-memory.dmp modiloader_stage2 behavioral1/files/0x0008000000016b17-97.dat modiloader_stage2 behavioral1/memory/2828-116-0x0000000000400000-0x000000000041B000-memory.dmp modiloader_stage2 behavioral1/memory/2000-130-0x0000000000350000-0x00000000003B4000-memory.dmp modiloader_stage2 behavioral1/memory/2000-191-0x0000000000400000-0x0000000000507000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 568 cmd.exe -
Executes dropped EXE 11 IoCs
Processes:
dHY4IvP3.exevaoca.exeazhost.exeazhost.exebzhost.exebzhost.execzhost.execzhost.exedzhost.execsrss.exeezhost.exepid Process 2996 dHY4IvP3.exe 352 vaoca.exe 2824 azhost.exe 2752 azhost.exe 2156 bzhost.exe 2644 bzhost.exe 2828 czhost.exe 864 czhost.exe 1192 dzhost.exe 336 csrss.exe 2268 ezhost.exe -
Loads dropped DLL 14 IoCs
Processes:
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exedHY4IvP3.exepid Process 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2996 dHY4IvP3.exe 2996 dHY4IvP3.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe -
Adds Run key to start application 2 TTPs 50 IoCs
Processes:
vaoca.exedHY4IvP3.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /u" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /v" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /X" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /t" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /p" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /R" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /M" dHY4IvP3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /a" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /d" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /T" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /i" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /I" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /m" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /Y" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /O" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /V" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /g" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /o" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /F" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /f" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /P" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /q" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /e" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /w" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /N" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /y" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /G" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /k" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /J" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /U" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /r" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /L" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /n" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /z" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /E" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /W" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /B" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /h" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /K" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /x" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /A" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /S" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /M" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /C" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /j" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /s" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /Q" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /c" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /l" vaoca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaoca = "C:\\Users\\Admin\\vaoca.exe /D" vaoca.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
csrss.exedescription ioc Process File created \systemroot\assembly\GAC_32\Desktop.ini csrss.exe File created \systemroot\assembly\GAC_64\Desktop.ini csrss.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
azhost.exebzhost.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 azhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bzhost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 bzhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum azhost.exe -
Enumerates processes with tasklist 1 TTPs 2 IoCs
Processes:
tasklist.exetasklist.exepid Process 2732 tasklist.exe 712 tasklist.exe -
Suspicious use of SetThreadContext 5 IoCs
Processes:
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exeazhost.exebzhost.execzhost.exedzhost.exedescription pid Process procid_target PID 2348 set thread context of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2824 set thread context of 2752 2824 azhost.exe 39 PID 2156 set thread context of 2644 2156 bzhost.exe 41 PID 2828 set thread context of 864 2828 czhost.exe 43 PID 1192 set thread context of 2252 1192 dzhost.exe 45 -
Processes:
resource yara_rule behavioral1/memory/2000-6-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2000-2-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2000-14-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2000-15-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2000-13-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2000-3-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2000-79-0x0000000000400000-0x0000000000507000-memory.dmp upx behavioral1/memory/2644-84-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2644-85-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2644-96-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2644-95-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2644-94-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2644-89-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/864-119-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/864-115-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/864-109-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/864-107-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/864-120-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/864-121-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/2000-129-0x0000000000350000-0x00000000003B4000-memory.dmp upx behavioral1/memory/2644-168-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2000-191-0x0000000000400000-0x0000000000507000-memory.dmp upx -
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 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cmd.exetasklist.exevaoca.exeazhost.exebzhost.exedzhost.exe81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.execmd.exetasklist.exedHY4IvP3.exeezhost.execmd.exe81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.execzhost.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vaoca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language azhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bzhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dzhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dHY4IvP3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ezhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language czhost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
dHY4IvP3.exevaoca.exeazhost.exebzhost.execzhost.exedzhost.exepid Process 2996 dHY4IvP3.exe 2996 dHY4IvP3.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 2752 azhost.exe 2752 azhost.exe 2752 azhost.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 2644 bzhost.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 2752 azhost.exe 2752 azhost.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 1192 dzhost.exe 1192 dzhost.exe 1192 dzhost.exe 352 vaoca.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 2752 azhost.exe 2752 azhost.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 864 czhost.exe 864 czhost.exe 864 czhost.exe 352 vaoca.exe 352 vaoca.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 2752 azhost.exe 2752 azhost.exe 864 czhost.exe 352 vaoca.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 864 czhost.exe 864 czhost.exe 864 czhost.exe 352 vaoca.exe 352 vaoca.exe 864 czhost.exe 352 vaoca.exe 864 czhost.exe 2752 azhost.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
Processes:
tasklist.exedzhost.exetasklist.exesvchost.exedescription pid Process Token: SeDebugPrivilege 2732 tasklist.exe Token: SeDebugPrivilege 1192 dzhost.exe Token: SeDebugPrivilege 1192 dzhost.exe Token: SeDebugPrivilege 712 tasklist.exe Token: SeAssignPrimaryTokenPrivilege 856 svchost.exe Token: SeIncreaseQuotaPrivilege 856 svchost.exe Token: SeSecurityPrivilege 856 svchost.exe Token: SeTakeOwnershipPrivilege 856 svchost.exe Token: SeLoadDriverPrivilege 856 svchost.exe Token: SeSystemtimePrivilege 856 svchost.exe Token: SeBackupPrivilege 856 svchost.exe Token: SeRestorePrivilege 856 svchost.exe Token: SeShutdownPrivilege 856 svchost.exe Token: SeSystemEnvironmentPrivilege 856 svchost.exe Token: SeUndockPrivilege 856 svchost.exe Token: SeManageVolumePrivilege 856 svchost.exe Token: SeAssignPrimaryTokenPrivilege 856 svchost.exe Token: SeIncreaseQuotaPrivilege 856 svchost.exe Token: SeSecurityPrivilege 856 svchost.exe Token: SeTakeOwnershipPrivilege 856 svchost.exe Token: SeLoadDriverPrivilege 856 svchost.exe Token: SeSystemtimePrivilege 856 svchost.exe Token: SeBackupPrivilege 856 svchost.exe Token: SeRestorePrivilege 856 svchost.exe Token: SeShutdownPrivilege 856 svchost.exe Token: SeSystemEnvironmentPrivilege 856 svchost.exe Token: SeUndockPrivilege 856 svchost.exe Token: SeManageVolumePrivilege 856 svchost.exe Token: SeAssignPrimaryTokenPrivilege 856 svchost.exe Token: SeIncreaseQuotaPrivilege 856 svchost.exe Token: SeSecurityPrivilege 856 svchost.exe Token: SeTakeOwnershipPrivilege 856 svchost.exe Token: SeLoadDriverPrivilege 856 svchost.exe Token: SeSystemtimePrivilege 856 svchost.exe Token: SeBackupPrivilege 856 svchost.exe Token: SeRestorePrivilege 856 svchost.exe Token: SeShutdownPrivilege 856 svchost.exe Token: SeSystemEnvironmentPrivilege 856 svchost.exe Token: SeUndockPrivilege 856 svchost.exe Token: SeManageVolumePrivilege 856 svchost.exe Token: SeAssignPrimaryTokenPrivilege 856 svchost.exe Token: SeIncreaseQuotaPrivilege 856 svchost.exe Token: SeSecurityPrivilege 856 svchost.exe Token: SeTakeOwnershipPrivilege 856 svchost.exe Token: SeLoadDriverPrivilege 856 svchost.exe Token: SeSystemtimePrivilege 856 svchost.exe Token: SeBackupPrivilege 856 svchost.exe Token: SeRestorePrivilege 856 svchost.exe Token: SeShutdownPrivilege 856 svchost.exe Token: SeSystemEnvironmentPrivilege 856 svchost.exe Token: SeUndockPrivilege 856 svchost.exe Token: SeManageVolumePrivilege 856 svchost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exedHY4IvP3.exevaoca.exeezhost.exepid Process 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 2996 dHY4IvP3.exe 352 vaoca.exe 2268 ezhost.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
csrss.exepid Process 336 csrss.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exedHY4IvP3.execmd.exeazhost.exebzhost.execzhost.exedescription pid Process procid_target PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2348 wrote to memory of 2000 2348 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 31 PID 2000 wrote to memory of 2996 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 32 PID 2000 wrote to memory of 2996 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 32 PID 2000 wrote to memory of 2996 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 32 PID 2000 wrote to memory of 2996 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 32 PID 2996 wrote to memory of 352 2996 dHY4IvP3.exe 33 PID 2996 wrote to memory of 352 2996 dHY4IvP3.exe 33 PID 2996 wrote to memory of 352 2996 dHY4IvP3.exe 33 PID 2996 wrote to memory of 352 2996 dHY4IvP3.exe 33 PID 2996 wrote to memory of 2800 2996 dHY4IvP3.exe 34 PID 2996 wrote to memory of 2800 2996 dHY4IvP3.exe 34 PID 2996 wrote to memory of 2800 2996 dHY4IvP3.exe 34 PID 2996 wrote to memory of 2800 2996 dHY4IvP3.exe 34 PID 2800 wrote to memory of 2732 2800 cmd.exe 36 PID 2800 wrote to memory of 2732 2800 cmd.exe 36 PID 2800 wrote to memory of 2732 2800 cmd.exe 36 PID 2800 wrote to memory of 2732 2800 cmd.exe 36 PID 2000 wrote to memory of 2824 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 38 PID 2000 wrote to memory of 2824 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 38 PID 2000 wrote to memory of 2824 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 38 PID 2000 wrote to memory of 2824 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 38 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2824 wrote to memory of 2752 2824 azhost.exe 39 PID 2000 wrote to memory of 2156 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 40 PID 2000 wrote to memory of 2156 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 40 PID 2000 wrote to memory of 2156 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 40 PID 2000 wrote to memory of 2156 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 40 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2156 wrote to memory of 2644 2156 bzhost.exe 41 PID 2000 wrote to memory of 2828 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 42 PID 2000 wrote to memory of 2828 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 42 PID 2000 wrote to memory of 2828 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 42 PID 2000 wrote to memory of 2828 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 42 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2828 wrote to memory of 864 2828 czhost.exe 43 PID 2000 wrote to memory of 1192 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 44 PID 2000 wrote to memory of 1192 2000 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe 44
Processes
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious use of UnmapMainImage
PID:336
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe"C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Users\Admin\AppData\Local\Temp\81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Users\Admin\dHY4IvP3.exeC:\Users\Admin\dHY4IvP3.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Users\Admin\vaoca.exe"C:\Users\Admin\vaoca.exe"4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:352
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\tasklist.exetasklist5⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2732
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C:\Users\Admin\azhost.exeC:\Users\Admin\azhost.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Users\Admin\azhost.exeazhost.exe4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2752
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C:\Users\Admin\bzhost.exeC:\Users\Admin\bzhost.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\bzhost.exebzhost.exe4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2644
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C:\Users\Admin\czhost.exeC:\Users\Admin\czhost.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Users\Admin\czhost.execzhost.exe4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:864
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C:\Users\Admin\dzhost.exeC:\Users\Admin\dzhost.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"4⤵
- System Location Discovery: System Language Discovery
PID:2252
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C:\Users\Admin\ezhost.exeC:\Users\Admin\ezhost.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2268
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del 81f31211ec6450740c642ed4672882f0cd76e655d047b4bd6611c7ee398cb747.exe3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:568 -
C:\Windows\SysWOW64\tasklist.exetasklist4⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:712
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
221KB
MD55b414fb77d0dbec97ee529ec0bbcbeaf
SHA1359cd24cd341f75eb46b99375824f6b649443f8e
SHA25662027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882
SHA512887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360
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Filesize
53KB
MD563e99b675a1337db6d8430195ea3efd2
SHA11baead2bf8f433dc82f9b2c03fd65ce697a92155
SHA2566616179477849205eb4075b75a042056d196f45d67f78929dbb3317a35ccbea9
SHA512f5b986eafa38dbc9ad7759784ac887ecbb9c8d8009a3f33e91b9c9ceeaf043ed3e4ddab8e6b6b77e54aed9fcecab02442c8ff253f2136ea06996d05ddd68199f
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Filesize
2KB
MD582987ecc13e13ac24ed69b68b95698a7
SHA1e263e03254bcf9cf8797a07acc0eead5827b1fc7
SHA2560a99d172bbf36fb5190ac93f85b1061b5c16f03655695f9b932ee8dca90d3353
SHA5125cd1fd974cb1fa9a120f20a63b87b7d42425ac768cdf17922663bd57505a5d9a3d4e158a55ee27b607da22d4dd6094866a2f3c899047bbf746aa79e9e16e5419
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Filesize
248KB
MD527ef898ce7ec9c0b79a6996a0b419de1
SHA14e8aed756fbc6133af13028c33366d2eaa43f954
SHA256f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6
SHA5125c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a
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Filesize
138KB
MD54e22775699416e81275fea3266e14bba
SHA132cc2479a30abd1b40b3b7e959ac32317fa124fd
SHA25695dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9
SHA51234b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf
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Filesize
96KB
MD5fb7e8882346223dfbad778b5a7f74f32
SHA18285032fbab2f9f52533657d46df457ab64d0e15
SHA2566d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e
SHA51231e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32
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Filesize
288KB
MD5e2a16fca33158332dbb3c66021fe8e3b
SHA19b784a05bf73e0bffbc2d6afe9acb4ca9d44a355
SHA25617b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82
SHA5126ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550
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Filesize
28KB
MD546ede15ce82c221c24bf81b2de1be7e8
SHA1c332a5ec7aeb213c13449626156f6623351a4393
SHA256a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782
SHA512517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316
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Filesize
288KB
MD5c071ef63fa93421431445d5bbd4d0580
SHA1fad7be562b19e73f2552e458f2e5951a96c9e9d0
SHA25601a2939a0793d63a3b0ef5c5a59b83039db1632232da05db40253575f49dc18b
SHA512a8f61651ebb2743040376dcdf93bc8e7bfe46d8d899370096d84a14e4a19006bed5bd1fc658f3c55475f7735d78cdbfc0b4a3ce03706343406422bd5b52108c0