Analysis
-
max time kernel
95s -
max time network
150s -
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 01:02
Static task
static1
General
-
Target
f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe
-
Size
333KB
-
MD5
4c549e77e2ba12eb25851d172683363c
-
SHA1
476adf9cc1f78408a1732a2836358a4b779d29c1
-
SHA256
f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7
-
SHA512
16889d2e34ba9ef3bc85d40df13c74b2723e2f5940011165c2f87eb86f6c3c8664058b2a029d79843ff903aef6bd1c71c9295a8fea0a43c69aeb32ef74848687
-
SSDEEP
6144:Ksy+bnr+ap0yN90QEhV/oOmnpx/uD5bRElLIKaOcF9+2I:EMrSy90NgOmpJcFk+Ds2I
Malware Config
Signatures
-
Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/memory/3700-12-0x00000000024D0000-0x00000000024EA000-memory.dmp healer behavioral1/memory/3700-14-0x00000000026B0000-0x00000000026C8000-memory.dmp healer behavioral1/memory/3700-42-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-40-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-38-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-36-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-34-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-32-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-30-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-28-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-26-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-24-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-22-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-20-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-18-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-16-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/memory/3700-15-0x00000000026B0000-0x00000000026C2000-memory.dmp healer behavioral1/files/0x000a000000023b75-51.dat healer behavioral1/memory/756-54-0x00000000006E0000-0x00000000006EA000-memory.dmp healer -
Healer family
-
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection ahtx.exe 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\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\DisableScanOnRealtimeEnable = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "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\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\DisableScanOnRealtimeEnable = "1" ahtx.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\DisableIOAVProtection = "1" mika.exe -
Executes dropped EXE 2 IoCs
pid Process 3700 ahtx.exe 756 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 1720 3700 WerFault.exe 85 -
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 3700 ahtx.exe 3700 ahtx.exe 756 mika.exe 756 mika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3700 ahtx.exe Token: SeDebugPrivilege 756 mika.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3668 wrote to memory of 3700 3668 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 85 PID 3668 wrote to memory of 3700 3668 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 85 PID 3668 wrote to memory of 3700 3668 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 85 PID 3668 wrote to memory of 756 3668 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 104 PID 3668 wrote to memory of 756 3668 f62c5584b1d94efc3f97950b3c8d1ecea04462fc70a8f1886605651263b7cec7.exe 104
Processes
-
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:3668 -
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:3700 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 10843⤵
- Program crash
PID:1720
-
-
-
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:756
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3700 -ip 37001⤵PID:4772
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
Loading Replay Monitor...
Downloads
-
Filesize
237KB
MD5c5459e584919022f9110e6e782f60730
SHA15d3d2cb94a336e56f1045447dbb2c942317b1474
SHA256a0b8af8d6861e8af9ea4d18d324cf2401b1ac4b51b67522454e17e6730a1e912
SHA512df4c03553f0a50b90d391ea7b930a134e99833d319f9ad4ead5969b2132be1e632352bbb66926cfb78fd0ba871b02b885530b5bab2afc3f48b54024e8b53fe7c
-
Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91