Analysis
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max time kernel
119s -
max time network
121s -
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 22:02
Static task
static1
Behavioral task
behavioral1
Sample
ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe
Resource
win10v2004-20241007-en
General
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Target
ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe
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Size
761KB
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MD5
b9c07cad096f96ed7c79720f7c071119
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SHA1
bb2a78d895674e1737aa5dbd57394bcf9686196e
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SHA256
ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7
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SHA512
59db0b2c40314f65b89b89a6ead3523e2c0673e9d739c7e502164a739b4acace9e3fd643e6b95b4809540e6f8935e79e459928f594a79a34b7c438138717a606
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SSDEEP
12288:Uy90d89P603MMihR/1aikHYUeTLDnvHFYmqIqMPJuM+CZeKlmbwox:UyYDhR/9kHYHjfiBHMhubC8Klmbwox
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/2968-19-0x00000000025C0000-0x00000000025DA000-memory.dmp healer behavioral1/memory/2968-21-0x0000000002950000-0x0000000002968000-memory.dmp healer behavioral1/memory/2968-23-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-37-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-47-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-45-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-43-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-41-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-39-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-35-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-33-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-31-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-29-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-27-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-25-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-22-0x0000000002950000-0x0000000002962000-memory.dmp healer behavioral1/memory/2968-49-0x0000000002950000-0x0000000002962000-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\DisableIOAVProtection = "1" pr825630.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pr825630.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pr825630.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pr825630.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pr825630.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pr825630.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/644-61-0x00000000025F0000-0x000000000262C000-memory.dmp family_redline behavioral1/memory/644-62-0x0000000002990000-0x00000000029CA000-memory.dmp family_redline behavioral1/memory/644-68-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-74-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-96-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-94-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-92-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-88-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-86-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-84-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-83-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-80-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-78-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-76-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-72-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-70-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-90-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-66-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-64-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline behavioral1/memory/644-63-0x0000000002990000-0x00000000029C5000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 3464 un699261.exe 2968 pr825630.exe 644 qu938716.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pr825630.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pr825630.exe -
Adds Run key to start application 2 TTPs 2 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\\\"" ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" un699261.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4800 2968 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 pr825630.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qu938716.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language un699261.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2968 pr825630.exe 2968 pr825630.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2968 pr825630.exe Token: SeDebugPrivilege 644 qu938716.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4520 wrote to memory of 3464 4520 ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe 83 PID 4520 wrote to memory of 3464 4520 ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe 83 PID 4520 wrote to memory of 3464 4520 ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe 83 PID 3464 wrote to memory of 2968 3464 un699261.exe 84 PID 3464 wrote to memory of 2968 3464 un699261.exe 84 PID 3464 wrote to memory of 2968 3464 un699261.exe 84 PID 3464 wrote to memory of 644 3464 un699261.exe 95 PID 3464 wrote to memory of 644 3464 un699261.exe 95 PID 3464 wrote to memory of 644 3464 un699261.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe"C:\Users\Admin\AppData\Local\Temp\ef937da6845f00661aaeb1c82c713540b6f4bf014561f2cac2c3ce11195f41c7.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un699261.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un699261.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr825630.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr825630.exe3⤵
- 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:2968 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 10804⤵
- Program crash
PID:4800
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu938716.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu938716.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2968 -ip 29681⤵PID:1592
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
607KB
MD59bf3797d0e57afda8813d45522dc7fe0
SHA1f264e2ad5a549160770a8ffd029a1b4a7f0ddafd
SHA256ec9590f9d075ac2927d0cbfd104dd7dba353734031a0003a34304e89b0b916b7
SHA512e361b54ef4ac2e96a51505b34f53a5e66261d2d3a8c4991d1d4a3a7886c575d0a235683c80fd2ae26e74317ae213782bc0e5a471a36794e3c1b1daf5dfc07f7b
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Filesize
405KB
MD5ff713fd6e5a8b0b50b7b614d34385264
SHA166dd3de434298c2f3c593dc632d2a37fa7384cae
SHA256d2c295affb35c12b93837bc2e374800bee6481649a6e0a977d532a402b424feb
SHA512676fe2e3bcf4e375e9c766d3c000f744b3167c73362c10fe6b4e31606cc64fe442d1a9ac24472c14c9a1b7aa94d873ac4c9bedbecad668e5edd4881d0e4b51ba
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Filesize
488KB
MD5baa5a22afd25234651e01e953972669f
SHA1e53a77863e685f67b2ea5e6720b5a69450dd9e3b
SHA25688c490a5ec0befb8093603650a7a1f7f1b148b82807dbd07c192ce7e427848df
SHA5124793c5161effcf25dd80e7a04060a6516f06b06723f4e2de428c9fd7ee7b10bf82da5c34377df68601562ef4fcb7b68850a4d46d8c60b5597f28c38fcc10dddf