Analysis
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max time kernel
130s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23-03-2024 01:02
Static task
static1
Behavioral task
behavioral1
Sample
f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe
Resource
win10v2004-20240226-en
General
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Target
f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe
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Size
335KB
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MD5
a3dc750c84dd66a82a10971be322c52f
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SHA1
deca3a9d69a5e30f2b9d39e616515bce7437e064
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SHA256
f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140
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SHA512
91b03fda618236e91f5d1ed93808ee413848ffe4815423a12883daf50f7c99c1a1a8d3a31b22f6ee4dfe301b036dae0e1364d91899861c232f8d09ea974ed3e7
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SSDEEP
6144:K6y+bnr+mp0yN90QEaT/K13MgDSaxenpnssRaFduR4bHNZil3KWnm:2Mr6y900K1ZD+psWe8mSlhnm
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/files/0x000900000002320b-5.dat healer behavioral1/memory/3104-7-0x00000000005D0000-0x00000000005DA000-memory.dmp healer behavioral1/memory/1884-18-0x00000000028E0000-0x00000000028FA000-memory.dmp healer behavioral1/memory/1884-24-0x0000000004DD0000-0x0000000004DE8000-memory.dmp healer behavioral1/memory/1884-32-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-30-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-28-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-34-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-26-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-36-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-25-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-46-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-52-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-50-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-48-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-44-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-42-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-40-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer behavioral1/memory/1884-38-0x0000000004DD0000-0x0000000004DE2000-memory.dmp healer -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" h62Sg91.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" f6769nG.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" f6769nG.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" f6769nG.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" h62Sg91.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" h62Sg91.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" h62Sg91.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection f6769nG.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" f6769nG.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" f6769nG.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection h62Sg91.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" h62Sg91.exe -
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 19 IoCs
resource yara_rule behavioral1/files/0x000900000002320b-5.dat INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/3104-7-0x00000000005D0000-0x00000000005DA000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-18-0x00000000028E0000-0x00000000028FA000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-24-0x0000000004DD0000-0x0000000004DE8000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-32-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-30-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-28-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-34-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-26-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-36-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-25-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-46-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-52-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-50-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-48-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-44-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-42-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-40-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1884-38-0x0000000004DD0000-0x0000000004DE2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender -
Executes dropped EXE 2 IoCs
pid Process 3104 f6769nG.exe 1884 h62Sg91.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" f6769nG.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features h62Sg91.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" h62Sg91.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\\\"" f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4368 1884 WerFault.exe 101 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3104 f6769nG.exe 3104 f6769nG.exe 1884 h62Sg91.exe 1884 h62Sg91.exe 1884 h62Sg91.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3104 f6769nG.exe Token: SeDebugPrivilege 1884 h62Sg91.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3392 wrote to memory of 3104 3392 f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe 89 PID 3392 wrote to memory of 3104 3392 f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe 89 PID 3392 wrote to memory of 1884 3392 f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe 101 PID 3392 wrote to memory of 1884 3392 f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe 101 PID 3392 wrote to memory of 1884 3392 f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe"C:\Users\Admin\AppData\Local\Temp\f0d4b9a9681240e37de0ded0833455c2113c95c64e8362fe2fd14849879da140.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f6769nG.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f6769nG.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h62Sg91.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h62Sg91.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1884 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 10803⤵
- Program crash
PID:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1884 -ip 18841⤵PID:860
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
290KB
MD57d4c0516ab29cb7921fc4aa1d73d97fa
SHA1ab1280fbfa473a26324ad19f92ec84bfc51a0636
SHA256172df4f0777f8fa86a5232df92d1ec33f34733c6ab5ad5ff109094a0821612fd
SHA512a84cd49b35f8229afec19ad43b4288af57f2a86edd376826c932ce2e378ad5e70c7a8bb8339506947f70e616a17ca1791f2f91b00b54d453e38ef23607fc243a