Analysis
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max time kernel
119s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/11/2024, 22:26
Static task
static1
Behavioral task
behavioral1
Sample
618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe
Resource
win10v2004-20241007-en
General
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Target
618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe
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Size
469KB
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MD5
4bd9b1c62f8de9e1015fd50f757c2200
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SHA1
a175ce0c3c7889cb3e8bfe24f40e37d4a8f2cc01
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SHA256
618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5f
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SHA512
a9262d2f161885f5d4edee8314b82111bc582b0e47c5b3d64fbfebb8563765e49c89151f7f2daa5a2d28e770446180f4c7000e80db311fb8804f233fb0cc1328
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SSDEEP
12288:By90fTrqg0Al09gCcOXu9WY2aDLMFSxg1DLZ0j:ByGXlHvT9WY2Mg1e
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023c87-5.dat healer behavioral1/memory/3900-8-0x0000000000BF0000-0x0000000000BFA000-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\DisableBehaviorMonitoring = "1" az185668.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" az185668.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" az185668.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" az185668.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" az185668.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection az185668.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/4360-18-0x0000000002840000-0x000000000287C000-memory.dmp family_redline behavioral1/memory/4360-20-0x00000000029D0000-0x0000000002A0A000-memory.dmp family_redline behavioral1/memory/4360-24-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-34-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-84-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-82-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-80-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-78-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-76-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-74-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-72-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-70-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-68-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-66-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-62-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-60-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-58-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-56-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-54-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-52-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-50-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-48-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-46-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-44-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-42-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-38-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-36-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-32-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-30-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-28-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-26-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-64-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-40-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-22-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline behavioral1/memory/4360-21-0x00000000029D0000-0x0000000002A05000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3900 az185668.exe 4360 bu936713.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" az185668.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\\\"" 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bu936713.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3900 az185668.exe 3900 az185668.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3900 az185668.exe Token: SeDebugPrivilege 4360 bu936713.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3556 wrote to memory of 3900 3556 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe 83 PID 3556 wrote to memory of 3900 3556 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe 83 PID 3556 wrote to memory of 4360 3556 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe 95 PID 3556 wrote to memory of 4360 3556 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe 95 PID 3556 wrote to memory of 4360 3556 618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe"C:\Users\Admin\AppData\Local\Temp\618e579cc9f18ffd422223143ad52a7421b978570cb639230136a466e4980b5fN.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az185668.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az185668.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3900
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu936713.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu936713.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4360
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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
485KB
MD5ca911bc163acb54061113aa96fd389c4
SHA13c2fa958786439c700671c23cd9fbaf1727fd91c
SHA2569f8a23fd5bcfe509d860ae9677e59c4c93303e25b46e68db8e2f8ee9d88f5f34
SHA51294dae681dc321b2d2c309661ae55167254f815d8eb77b0866b424249d65def712b991ab41d1f217d206ec1ad7ad62972ea0c45d7818076742a01f30bb2bc0c9f