Analysis
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max time kernel
92s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 00:51
Static task
static1
General
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Target
f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe
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Size
333KB
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MD5
4c549e77e2ba12eb25851d172683363c
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SHA1
476adf9cc1f78408a1732a2836358a4b779d29c1
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SHA256
f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7
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SHA512
16889d2e34ba9ef3bc85d40df13c74b2723e2f5940011165c2f87eb86f6c3c8664058b2a029d79843ff903aef6bd1c71c9295a8fea0a43c69aeb32ef74848687
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SSDEEP
6144:Ksy+bnr+ap0yN90QEhV/oOmnpx/uD5bRElLIKaOcF9+2I:EMrSy90NgOmpJcFk+Ds2I
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/memory/4020-12-0x00000000023A0000-0x00000000023BA000-memory.dmp healer behavioral1/memory/4020-14-0x0000000002410000-0x0000000002428000-memory.dmp healer behavioral1/memory/4020-15-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-24-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-40-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-38-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-37-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-34-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-32-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-30-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-28-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-26-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-42-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-22-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-20-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-18-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/memory/4020-16-0x0000000002410000-0x0000000002422000-memory.dmp healer behavioral1/files/0x000e000000023bd7-51.dat healer behavioral1/memory/1136-54-0x0000000000070000-0x000000000007A000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ahtx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ahtx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ahtx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ahtx.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" mika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection ahtx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ahtx.exe -
Executes dropped EXE 2 IoCs
pid Process 4020 ahtx.exe 1136 mika.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features ahtx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ahtx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" mika.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3256 4020 WerFault.exe 82 -
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 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ahtx.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4020 ahtx.exe 4020 ahtx.exe 1136 mika.exe 1136 mika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4020 ahtx.exe Token: SeDebugPrivilege 1136 mika.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1460 wrote to memory of 4020 1460 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 82 PID 1460 wrote to memory of 4020 1460 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 82 PID 1460 wrote to memory of 4020 1460 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 82 PID 1460 wrote to memory of 1136 1460 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 94 PID 1460 wrote to memory of 1136 1460 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe"C:\Users\Admin\AppData\Local\Temp\f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1460 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ahtx.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ahtx.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 10643⤵
- Program crash
PID:3256
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mika.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mika.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4020 -ip 40201⤵PID:2268
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
237KB
MD5c5459e584919022f9110e6e782f60730
SHA15d3d2cb94a336e56f1045447dbb2c942317b1474
SHA256a0b8af8d6861e8af9ea4d18d324cf2401b1ac4b51b67522454e17e6730a1e912
SHA512df4c03553f0a50b90d391ea7b930a134e99833d319f9ad4ead5969b2132be1e632352bbb66926cfb78fd0ba871b02b885530b5bab2afc3f48b54024e8b53fe7c
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91