Analysis
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max time kernel
96s -
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
19-11-2024 07:04
Static task
static1
General
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Target
b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe
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Size
315KB
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MD5
8df0c90cdeaace3d2af0e9a2098efd90
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SHA1
ee50f50e30e0eb397a3e7a74817e5988e4300212
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SHA256
b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7
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SHA512
ef6603cab300319619f4a2fbe86f06b68dc6324e4ebd6f187d5d601cc2cf1e06c155ed8532e9fdc182391d1686cb489941171dd4bf863830ad978201c98cee55
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SSDEEP
6144:Kzy+bnr+vGp0yN90QEvOnG+s9BZyUPUu4A1ROLIIdDOZti8:VMr6y90Eo9BZyU1OL7FW/
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/files/0x0009000000023c5f-5.dat healer behavioral1/memory/4232-8-0x0000000000130000-0x000000000013A000-memory.dmp healer behavioral1/memory/2572-18-0x0000000002200000-0x000000000221A000-memory.dmp healer behavioral1/memory/2572-20-0x0000000002330000-0x0000000002348000-memory.dmp healer behavioral1/memory/2572-21-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-48-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-46-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-45-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-42-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-40-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-38-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-36-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-34-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-32-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-30-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-28-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-26-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-24-0x0000000002330000-0x0000000002342000-memory.dmp healer behavioral1/memory/2572-22-0x0000000002330000-0x0000000002342000-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\DisableRealtimeMonitoring = "1" qu3763.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" qu3763.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection qu3763.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" qu3763.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro4260.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro4260.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro4260.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro4260.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" qu3763.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" qu3763.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro4260.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro4260.exe -
Executes dropped EXE 2 IoCs
pid Process 4232 pro4260.exe 2572 qu3763.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro4260.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features qu3763.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" qu3763.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\\\"" b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3284 2572 WerFault.exe 91 -
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 b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qu3763.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4232 pro4260.exe 4232 pro4260.exe 2572 qu3763.exe 2572 qu3763.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4232 pro4260.exe Token: SeDebugPrivilege 2572 qu3763.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3732 wrote to memory of 4232 3732 b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe 83 PID 3732 wrote to memory of 4232 3732 b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe 83 PID 3732 wrote to memory of 2572 3732 b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe 91 PID 3732 wrote to memory of 2572 3732 b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe 91 PID 3732 wrote to memory of 2572 3732 b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe"C:\Users\Admin\AppData\Local\Temp\b3ca3881cd06011403adad076348e5600a81d7e132c302f475f18906866dc5e7N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pro4260.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pro4260.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4232
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qu3763.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qu3763.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:2572 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 10883⤵
- Program crash
PID:3284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2572 -ip 25721⤵PID:2468
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
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
232KB
MD545bae5e146264bcbe4a4e8e3b538a33a
SHA19502da7c17a71de4bbeb4e19f023caa071dc11ea
SHA256341f824dd70cf2598f82a25ebfc5de1b7ca7f9d8179e1d6fc109d37aef2e2149
SHA512d99bab5d0cf4ea6281fdf79b5443e0751bba8899d1087ebe479b1cd9b2da8c4949fcab9b0a9ce4bff54d3e72c04ac651cef16ea3c54654e1600ebb8930906b62