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Analysis
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max time kernel
117s -
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
11/11/2024, 01:54
Static task
static1
Behavioral task
behavioral1
Sample
74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe
Resource
win10v2004-20241007-en
General
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Target
74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe
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Size
415KB
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MD5
a5b1866cb3b781d77df0d93ed11ce153
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SHA1
94e86846b4f68123187a704628184dfcfc296533
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SHA256
74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35
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SHA512
627b29fe528972a86d8a65a9cfd26e892f6693efeb32bc37ca282719942ab7e47aaf08a04287943b6cbb05e17c62443b7dfa0c8c05c90c8348e5441656d71974
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SSDEEP
12288:yMr0y90mMoFyX4qJrxtdQaOGDvGrWsYaE9S:GyxMmQ4MltdQa9DvvspE9S
Malware Config
Extracted
redline
fud
193.233.20.27:4123
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auth_value
cddc991efd6918ad5321d80dac884b40
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023c94-5.dat healer behavioral1/memory/3784-8-0x0000000000B70000-0x0000000000B7A000-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" s5690bn.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s5690bn.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s5690bn.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s5690bn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s5690bn.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s5690bn.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/1252-18-0x0000000004B90000-0x0000000004BD6000-memory.dmp family_redline behavioral1/memory/1252-20-0x0000000004C10000-0x0000000004C54000-memory.dmp family_redline behavioral1/memory/1252-26-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-40-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-82-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-80-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-78-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-76-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-74-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-72-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-70-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-68-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-64-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-62-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-60-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-58-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-56-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-54-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-52-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-50-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-48-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-46-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-44-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-42-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-38-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-36-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-34-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-32-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-30-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-28-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-24-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-84-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-66-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-22-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline behavioral1/memory/1252-21-0x0000000004C10000-0x0000000004C4E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3784 s5690bn.exe 1252 t13TO27.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s5690bn.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\\\"" 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.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 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language t13TO27.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3784 s5690bn.exe 3784 s5690bn.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3784 s5690bn.exe Token: SeDebugPrivilege 1252 t13TO27.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 780 wrote to memory of 3784 780 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe 83 PID 780 wrote to memory of 3784 780 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe 83 PID 780 wrote to memory of 1252 780 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe 95 PID 780 wrote to memory of 1252 780 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe 95 PID 780 wrote to memory of 1252 780 74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe"C:\Users\Admin\AppData\Local\Temp\74f84309434048ccc053eea3d9f470ea499e7719be67dd1ce72600e3a9115f35.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s5690bn.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s5690bn.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3784
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t13TO27.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t13TO27.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1252
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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
392KB
MD58bf0605a63ca069c558214f49343355a
SHA1b89c0a988af65b2949e5d6933a6625edc1337f9c
SHA256bdc4368c0dc57467cf26eed548702a06bfe592fd6554cd212d1ede514f62f8d6
SHA512fd9fd251055336fbd9a45ae027c5e6aae33443553ded61a9fbd2d00ff6752e70d3cbe485559bc838061f4a311314235b7ee9dcf4100b5115839b612accbecb43