Analysis
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max time kernel
149s -
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
09/11/2024, 05:11
Static task
static1
Behavioral task
behavioral1
Sample
f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe
Resource
win10v2004-20241007-en
General
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Target
f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe
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Size
680KB
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MD5
731ab81a342a95eabcc43f3f18338952
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SHA1
d493ece03e5da89474f9e496e07190ab27aade54
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SHA256
f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644
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SHA512
addeea859b3caa365bd2f65fdd97286d202434299390d65ac204f8d05cc09d87d9e945602d4ec5a678a346ae8a98d3ad262128c2f8c1a2ddf63bb01bf9901386
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SSDEEP
12288:uX7oJKZmgqrU61SF/LArdDoJPHtR53SuyNTOrCpJeyZX0hcIQv:aIKZvQFUFs5o9Hn53SusJVX8Qv
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral2/files/0x000b000000023b87-16.dat healer behavioral2/memory/3200-19-0x0000000000AF0000-0x0000000000AFA000-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\DisableIOAVProtection = "1" jr664407.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr664407.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr664407.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr664407.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr664407.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr664407.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
resource yara_rule behavioral2/memory/4416-33-0x0000000004C90000-0x0000000004CD6000-memory.dmp family_redline behavioral2/memory/4416-35-0x00000000052C0000-0x0000000005304000-memory.dmp family_redline behavioral2/memory/4416-39-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-37-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-36-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-51-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-97-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-95-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-93-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-91-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-89-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-85-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-83-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-81-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-79-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-77-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-75-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-73-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-71-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-69-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-67-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-63-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-61-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-59-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-57-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-55-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-54-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-50-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-47-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-45-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-43-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-41-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-87-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral2/memory/4416-65-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 1820 ziyu1605.exe 3200 jr664407.exe 4416 ku396740.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr664407.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\\\"" f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.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\\\"" ziyu1605.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2168 sc.exe -
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 f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ziyu1605.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku396740.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3200 jr664407.exe 3200 jr664407.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3200 jr664407.exe Token: SeDebugPrivilege 4416 ku396740.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4424 wrote to memory of 1820 4424 f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe 86 PID 4424 wrote to memory of 1820 4424 f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe 86 PID 4424 wrote to memory of 1820 4424 f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe 86 PID 1820 wrote to memory of 3200 1820 ziyu1605.exe 87 PID 1820 wrote to memory of 3200 1820 ziyu1605.exe 87 PID 1820 wrote to memory of 4416 1820 ziyu1605.exe 93 PID 1820 wrote to memory of 4416 1820 ziyu1605.exe 93 PID 1820 wrote to memory of 4416 1820 ziyu1605.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe"C:\Users\Admin\AppData\Local\Temp\f490ca1031d944979ac496eff22eae8cf329a5da283d9c26e29f8cbadd3fe644.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziyu1605.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziyu1605.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr664407.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr664407.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku396740.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku396740.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4416
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:2168
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
Loading Replay Monitor...
Downloads
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Filesize
402KB
MD5518b04ba64616f0c983c465195bb272b
SHA1725a5976fabf6827df5618081a05d3bc852aad9a
SHA256dca49399288362d252e53016e407897b9951c58c4de6ce1e3b17bb0289293985
SHA5121c2b119e79f1f58af1062dd1cc72558e48b5cf871dbad79d8d4f34938c46156dddb9675850ca059700a27e88ef8edf8bc62b95ed35f56a39b7881df360596731
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
349KB
MD52d2e7f883609b2952e13fc14f1055ddc
SHA17cd63c64d30e026f9f6be9afabde1f463685f082
SHA256cccad3304cfc62139cc7e78a31b2246f7112336573d690eb05036c70d2ee8c7b
SHA512412768cc8e7e1b4f454a9425fb16ef64b4fecdb13793567e57011eb7db50c30e8717560b2a677b37c8b48bf6da036e4967ceda81e697006b80186bbd36f08828