Analysis
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max time kernel
145s -
max time network
150s -
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 05:45
Static task
static1
Behavioral task
behavioral1
Sample
279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe
Resource
win10v2004-20241007-en
General
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Target
279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe
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Size
374KB
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MD5
5a682cf1e49a13a1725630a64c4c3552
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SHA1
6ab98628f19e33a2d1bc1843a845e7ce5c4e588a
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SHA256
279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f
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SHA512
8601e5866a10d8675f56c48f1313134cc1f8fb20dc5b2b0535b62f340c06a4ccd0f194663ce531ad7308fa5cebce3c92552f23ec4554df5c23d6f26e1bd9a265
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SSDEEP
6144:KEy+bnr+/p0yN90QEgAjksXsGBhwj2Uv/8nbkvgbT+MFDJBU1qXMAXd:UMrry90zksF6fv09b7DLbd
Malware Config
Extracted
redline
fusa
193.233.20.12:4132
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auth_value
a08b2f01bd2af756e38c5dd60e87e697
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/2692-12-0x00000000024D0000-0x00000000024EA000-memory.dmp healer behavioral1/memory/2692-14-0x00000000025B0000-0x00000000025C8000-memory.dmp healer behavioral1/memory/2692-15-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-30-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-42-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-40-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-39-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-37-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-34-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-32-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-28-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-26-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-24-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-22-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-20-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-18-0x00000000025B0000-0x00000000025C2000-memory.dmp healer behavioral1/memory/2692-16-0x00000000025B0000-0x00000000025C2000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection bzC63Sa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bzC63Sa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bzC63Sa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bzC63Sa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bzC63Sa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bzC63Sa.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023ca9-50.dat family_redline behavioral1/memory/2792-53-0x0000000000DD0000-0x0000000000E02000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2692 bzC63Sa.exe 2792 dIT72tg.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features bzC63Sa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bzC63Sa.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\\\"" 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4240 2692 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bzC63Sa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dIT72tg.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2692 bzC63Sa.exe 2692 bzC63Sa.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2692 bzC63Sa.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4716 wrote to memory of 2692 4716 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe 83 PID 4716 wrote to memory of 2692 4716 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe 83 PID 4716 wrote to memory of 2692 4716 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe 83 PID 4716 wrote to memory of 2792 4716 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe 99 PID 4716 wrote to memory of 2792 4716 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe 99 PID 4716 wrote to memory of 2792 4716 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe"C:\Users\Admin\AppData\Local\Temp\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.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:2692 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 10843⤵
- Program crash
PID:4240
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2692 -ip 26921⤵PID:3692
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
235KB
MD5c2029dc778813262158edc1d45355023
SHA1ef89cca7db326570c6342d665d57076da8686989
SHA2568fefa215a64ff37c9a5ef602de472b12f7d7cbbe48edf3bed071f19d84e03f51
SHA51240c0dded4f1ea106522a41a1151d55543cf3b36c53f99dfb9d7da0b54697b982cf6c919526fbb60c574a0e1771f53a0fc63c858db346c3c8a11df70e2a3c9fe2
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Filesize
175KB
MD5da6f3bef8abc85bd09f50783059964e3
SHA1a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA5124d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec