Analysis
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max time kernel
115s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 20:23
Static task
static1
Behavioral task
behavioral1
Sample
bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe
Resource
win10v2004-20241007-en
General
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Target
bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe
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Size
559KB
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MD5
ac37200c0913912d4ebed9d6d4117630
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SHA1
3b252da16c7495febbaa43bbc6f98ecba0c226e9
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SHA256
bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62
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SHA512
0d10661205c5610cdfcfef672776bc04f59bd8dfe0b3d6e47570fce8eee405defb1e137ae00318c557cde04692e0bdb21e0afc024e5eeacae1f7a4ba5827f9f7
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SSDEEP
12288:VMrFy90N4M25AiRpWbFQJUMb8s2wvwk49tAbfd3y:wyML252HQv3wkItA5y
Malware Config
Extracted
redline
dubik
193.233.20.17:4139
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auth_value
05136deb26ad700ca57d43b1de454f46
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
Processes:
resource yara_rule behavioral1/files/0x0008000000023c9a-12.dat healer behavioral1/memory/632-15-0x0000000000ED0000-0x0000000000EDA000-memory.dmp healer -
Healer family
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Processes:
kRn37Kx.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" kRn37Kx.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection kRn37Kx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" kRn37Kx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" kRn37Kx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" kRn37Kx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" kRn37Kx.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
Processes:
resource yara_rule behavioral1/files/0x0007000000023c9b-18.dat family_redline behavioral1/memory/2116-21-0x0000000000D40000-0x0000000000D72000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
Processes:
dOh0487.exekRn37Kx.exenks47GJ.exepid Process 3300 dOh0487.exe 632 kRn37Kx.exe 2116 nks47GJ.exe -
Processes:
kRn37Kx.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" kRn37Kx.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exedOh0487.exedescription 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\\\"" bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.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\\\"" dOh0487.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.
Processes:
nks47GJ.exebd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exedOh0487.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nks47GJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dOh0487.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kRn37Kx.exepid Process 632 kRn37Kx.exe 632 kRn37Kx.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
kRn37Kx.exedescription pid Process Token: SeDebugPrivilege 632 kRn37Kx.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exedOh0487.exedescription pid Process procid_target PID 4156 wrote to memory of 3300 4156 bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe 85 PID 4156 wrote to memory of 3300 4156 bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe 85 PID 4156 wrote to memory of 3300 4156 bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe 85 PID 3300 wrote to memory of 632 3300 dOh0487.exe 86 PID 3300 wrote to memory of 632 3300 dOh0487.exe 86 PID 3300 wrote to memory of 2116 3300 dOh0487.exe 97 PID 3300 wrote to memory of 2116 3300 dOh0487.exe 97 PID 3300 wrote to memory of 2116 3300 dOh0487.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe"C:\Users\Admin\AppData\Local\Temp\bd773cb89169c87404b36a5dea5f94d2b97e72b9eef8f9b7692b720594185d62N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dOh0487.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dOh0487.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kRn37Kx.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kRn37Kx.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:632
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nks47GJ.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nks47GJ.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2116
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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
202KB
MD5d1eacde5832928eca8dc7e82cbe99da7
SHA1ca5ae32c467a3491bc27aff9dfe45379729aee4f
SHA2568c5ec114aa5fde60119ed5c3f5db35ff397c134bbfc4911d6637f9b9eecbf8f9
SHA512f2014fcfbe65de60338231de127575d01e7059027f340a19409c73f6dcc8e5955fcb8698f527755cf645b919b73b3d41947232040be3e69b634215581d1415de
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
175KB
MD5cddbd387c5c8bb5e8a8ad341f7d05475
SHA11ae74b1a19a38a736b5321b41de10a48ab72eddc
SHA256c531095f91211aea5e7ed61228c557ea1718605e8840e9ca61e3e652d4634d2d
SHA512ce5ad725decbc063176ef313413112618506ca5863ced90beb5f59ef844d3c0b77bda05be04d1e0337731d2f2eca58f4ad98070d1aa55315879528f9be0f6a0e