Analysis
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max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13/11/2024, 08:29
Static task
static1
General
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Target
97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe
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Size
322KB
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MD5
4d06fe2b88d06ce22604a22495517690
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SHA1
679287fd3258e56bb133ee3e3d3f78510e57e491
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SHA256
97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555
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SHA512
e4f214830fb459b0863250ed487596b22fa07a1e6657f5151727f0b7f8d14fdc011018bac96e0e2728b9160ca51982032932616f3766b45de08edfc2e653b5be
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SSDEEP
6144:KQy+bnr+fp0yN90QERA1kBzhwgje/Xf7J2bhVquy3L+vWnNt:gMrPy90pBzugjKT/usL+vWn/
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/files/0x000d000000023b94-6.dat healer behavioral1/memory/4852-8-0x0000000000E30000-0x0000000000E3A000-memory.dmp healer behavioral1/memory/4752-18-0x00000000022D0000-0x00000000022EA000-memory.dmp healer behavioral1/memory/4752-20-0x0000000004A50000-0x0000000004A68000-memory.dmp healer behavioral1/memory/4752-26-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-48-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-46-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-44-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-42-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-40-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-38-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-36-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-34-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-32-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-30-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-28-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-24-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-22-0x0000000004A50000-0x0000000004A62000-memory.dmp healer behavioral1/memory/4752-21-0x0000000004A50000-0x0000000004A62000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" b9215li.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" b9215li.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" b9215li.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" b9215li.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" c18ua71.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" c18ua71.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection b9215li.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" b9215li.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection c18ua71.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" c18ua71.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" c18ua71.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" c18ua71.exe -
Executes dropped EXE 2 IoCs
pid Process 4852 b9215li.exe 4752 c18ua71.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" b9215li.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features c18ua71.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" c18ua71.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\\\"" 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3212 4752 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 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c18ua71.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4852 b9215li.exe 4852 b9215li.exe 4752 c18ua71.exe 4752 c18ua71.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4852 b9215li.exe Token: SeDebugPrivilege 4752 c18ua71.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5028 wrote to memory of 4852 5028 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe 83 PID 5028 wrote to memory of 4852 5028 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe 83 PID 5028 wrote to memory of 4752 5028 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe 92 PID 5028 wrote to memory of 4752 5028 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe 92 PID 5028 wrote to memory of 4752 5028 97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe"C:\Users\Admin\AppData\Local\Temp\97040b4fe7f521ba27dcc4d9d0fea998b47cfac6dafb43793d3a9f7c92296555N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9215li.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9215li.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4852
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c18ua71.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c18ua71.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:4752 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 10843⤵
- Program crash
PID:3212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4752 -ip 47521⤵PID:4568
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
236KB
MD5391d272cbf4e2a677041927768dcf435
SHA158ce3493d37119b394938a82ce1543af1b5cc84c
SHA25637dfe1e4d438425d4e3842da4b33191d0d922394146c789e44653489ee43702c
SHA5127f6bab0048a5c115ecadf897fdd0d87c10ea624664d65ddf6f9c3c5dd7f0b8ce3b07e498f02d5b005277183f8991c772308e213ec0b7b51ff8f0ba05227eccb3