Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe
Resource
win10v2004-20241007-en
General
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Target
17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe
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Size
781KB
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MD5
a0b298f75d370310e56888dd4e8215d0
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SHA1
c6e8e4cdf3e69f7109ab0952cfa9b07de6e8ca44
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SHA256
17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc
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SHA512
036fa0da0f56ec41c0afb0ca94a834cef9895c691591b22ba215ff6f0347c9dbc5fe2759d21da68e46963198b7c5f59fb395ab5ac1b97c90f5981edd98aeea64
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SSDEEP
12288:5y90wt0+Vryt2+PT06kiG+hHooEUlS0WludFB8HjI5GhmSWgSalt9:5ybVryQ+LWroElR6CjGuh/Sw9
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 3 IoCs
resource yara_rule behavioral1/memory/1960-2143-0x0000000005870000-0x000000000587A000-memory.dmp healer behavioral1/files/0x0006000000023080-2149.dat healer behavioral1/memory/5936-2157-0x0000000000750000-0x000000000075A000-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\DisableOnAccessProtection = "1" 1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 1.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 1 IoCs
resource yara_rule behavioral1/memory/5612-4315-0x0000000005760000-0x0000000005792000-memory.dmp family_redline -
Redline family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 94832143.exe -
Executes dropped EXE 3 IoCs
pid Process 1960 94832143.exe 5936 1.exe 5612 rk042895.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" 1.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\\\"" 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 5740 1960 WerFault.exe 84 5992 5612 WerFault.exe 91 -
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 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 94832143.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rk042895.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 5936 1.exe 5936 1.exe 5936 1.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1960 94832143.exe Token: SeDebugPrivilege 5612 rk042895.exe Token: SeDebugPrivilege 5936 1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3540 wrote to memory of 1960 3540 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe 84 PID 3540 wrote to memory of 1960 3540 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe 84 PID 3540 wrote to memory of 1960 3540 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe 84 PID 1960 wrote to memory of 5936 1960 94832143.exe 87 PID 1960 wrote to memory of 5936 1960 94832143.exe 87 PID 3540 wrote to memory of 5612 3540 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe 91 PID 3540 wrote to memory of 5612 3540 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe 91 PID 3540 wrote to memory of 5612 3540 17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe"C:\Users\Admin\AppData\Local\Temp\17fc89818e93669a90d4ede9c5ade15533a7e6fd46d1e58f3cad25f749a6babc.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\94832143.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\94832143.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 13763⤵
- Program crash
PID:5740
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk042895.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk042895.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5612 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5612 -s 12563⤵
- Program crash
PID:5992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1960 -ip 19601⤵PID:5820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 5612 -ip 56121⤵PID:936
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
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
522KB
MD564002afe430f4b291bf2db0891a9c15e
SHA17c32b37e11ad6a3f48b4156ad266679d0142b530
SHA256cd75b21754cebffd4544d49890dc33b8013b62a218ad03636f2f3cfb03c6dcff
SHA5122fcedfc4fc8c125ced2acb7ace7f8e52b2d731749f7bfbe843c07027bd6ff859f1c8e324559739a81dcc3f65e81488de1f2ad80b9e63a6f6bc5f00a2607064bd
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Filesize
583KB
MD5e06c3a9522656eb57bfe2adc66d17888
SHA19304b8d2d50a6d6d338fb73e21d562201e6a0c87
SHA2566fe184ccea4c4bcab5cf28037dbe6d20d08bd2809c1dee27a262dd0f9609ded5
SHA512e39e1c937f379695f14e9b1b4de4d982c9a4d255d1da2a1f2a4a748be9efd631f744ec23a7b3053ee1c922c98d0b27da76afbd6422cd63459b6ad73ba53621fc
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91