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Analysis
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max time kernel
116s -
max time network
120s -
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, 18:41
Static task
static1
Behavioral task
behavioral1
Sample
d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe
Resource
win10v2004-20241007-en
General
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Target
d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe
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Size
202KB
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MD5
842bde13c0ac5720d5ff8c9b038f0adc
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SHA1
3c13a795fd9cf9ebfb158d36ea206399bbbbe845
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SHA256
d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f
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SHA512
d21ee41836f7c32fbfd1cb50a0a05ce8ecad289b52d3ce47ec879b0809e05e2cfc31e7f77cb44e8c7e9ce95935d4b9f1b808c62085c038ccdb0ed597a917cbb1
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SSDEEP
3072:Kly+bnr+O145GWp1icKAArDZz4N9GhbkrNEk6IfA7jkFF9j5dBKO3lY12:Kly+bnr+Dp0yN90QEufAHsF3M8
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0009000000023c8c-6.dat healer behavioral1/memory/4428-7-0x0000000000FB0000-0x0000000000FBA000-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" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" iyZ69vK.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" iyZ69vK.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/0x0007000000023c90-13.dat family_redline behavioral1/memory/5076-16-0x0000000000B80000-0x0000000000BB2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 4428 iyZ69vK.exe 5076 kKT13Lu.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" iyZ69vK.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\\\"" d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.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 d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kKT13Lu.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4428 iyZ69vK.exe 4428 iyZ69vK.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4428 iyZ69vK.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4680 wrote to memory of 4428 4680 d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe 83 PID 4680 wrote to memory of 4428 4680 d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe 83 PID 4680 wrote to memory of 5076 4680 d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe 95 PID 4680 wrote to memory of 5076 4680 d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe 95 PID 4680 wrote to memory of 5076 4680 d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe"C:\Users\Admin\AppData\Local\Temp\d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iyZ69vK.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iyZ69vK.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5076
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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
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2