Analysis
-
max time kernel
93s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/11/2024, 03:43
Static task
static1
General
-
Target
918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe
-
Size
322KB
-
MD5
f253458f9c2885a8a53e6083b1d7da80
-
SHA1
78edc417e4759d805a6535651b179b27ccdbb0e4
-
SHA256
918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309
-
SHA512
c3a66134ab2d08b8832af976559bbe10915fbaa458688f00f6cdcf5cb46b00082c5730ec4ba8fef818462296c8ed0db684b98bf9ac8e248d51a99704ea64b0fd
-
SSDEEP
6144:Key+bnr+Fp0yN90QEjYt5aEhfLDXCgRoyEt+T9I95uzb+sc0Gyhieg:OMrFy90C3RhHXpO+pm5qSsc0RY
Malware Config
Signatures
-
Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/files/0x0009000000023c87-5.dat healer behavioral1/memory/4424-8-0x0000000000990000-0x000000000099A000-memory.dmp healer behavioral1/memory/1596-18-0x00000000021B0000-0x00000000021CA000-memory.dmp healer behavioral1/memory/1596-20-0x0000000002360000-0x0000000002378000-memory.dmp healer behavioral1/memory/1596-21-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-28-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-46-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-43-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-40-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-39-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-36-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-34-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-32-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-30-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-26-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-24-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-48-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-22-0x0000000002360000-0x0000000002372000-memory.dmp healer behavioral1/memory/1596-44-0x0000000002360000-0x0000000002372000-memory.dmp healer -
Healer family
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" v2423Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" v2423Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" v2423Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" tz1588.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" tz1588.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" tz1588.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection v2423Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" v2423Rb.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection tz1588.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" tz1588.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" tz1588.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" v2423Rb.exe -
Executes dropped EXE 2 IoCs
pid Process 4424 tz1588.exe 1596 v2423Rb.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features v2423Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" v2423Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" tz1588.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\\\"" 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3928 1596 WerFault.exe 92 -
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 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language v2423Rb.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4424 tz1588.exe 4424 tz1588.exe 1596 v2423Rb.exe 1596 v2423Rb.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4424 tz1588.exe Token: SeDebugPrivilege 1596 v2423Rb.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5016 wrote to memory of 4424 5016 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe 84 PID 5016 wrote to memory of 4424 5016 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe 84 PID 5016 wrote to memory of 1596 5016 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe 92 PID 5016 wrote to memory of 1596 5016 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe 92 PID 5016 wrote to memory of 1596 5016 918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe"C:\Users\Admin\AppData\Local\Temp\918fad4266d1defe41de8a94632d6ba715de317222af667b20b4a67361c05309N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tz1588.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tz1588.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4424
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2423Rb.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2423Rb.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:1596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 10963⤵
- Program crash
PID:3928
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1596 -ip 15961⤵PID:4572
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
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
-
Filesize
235KB
MD54ff666e60b31dea8a7278acfb4a24886
SHA118ddf43d7c177aa967b6303e83c3af9a872ab1b4
SHA2560162b0c7aa23745598a97d375fbef0bf649e5eaebccfa3f75d0ded1c9e1e2f6d
SHA512ecd81473060309b4f13bfcfd61a2a29c98920a2b24d4269697b03b2f176d0fad6da7ebe64cce6722c73d65a053bb4501793e6a84ee9734663662d93c0251855c