Analysis
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max time kernel
117s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 11:17
Static task
static1
Behavioral task
behavioral1
Sample
3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe
Resource
win10v2004-20241007-en
General
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Target
3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe
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Size
385KB
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MD5
69e921d6cdf78505f28fdd826125e45c
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SHA1
2f626490f030e06e7ac9321f0509f8920e6c9047
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SHA256
3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99
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SHA512
81a36707d0db8d50b423e2abbc30f4324197d45dc5711609c13ebb0d92fd58bac4047ddcb25963c240c3e798c88d7d895c0379aed253d79e604913fcb0f510aa
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SSDEEP
6144:KRy+bnr+yp0yN90QEFXAANC7sjVdv/FsV3FZuCwoLBVryBz0y18DfCAr:HMrWy90DwQCqVdvYFZu/IySJr
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/0x0007000000023c92-5.dat healer behavioral1/memory/3212-8-0x0000000000F90000-0x0000000000F9A000-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\DisableOnAccessProtection = "1" sf14lk86EZ62.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sf14lk86EZ62.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sf14lk86EZ62.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sf14lk86EZ62.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sf14lk86EZ62.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sf14lk86EZ62.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/1984-18-0x0000000002250000-0x0000000002296000-memory.dmp family_redline behavioral1/memory/1984-20-0x0000000004B70000-0x0000000004BB4000-memory.dmp family_redline behavioral1/memory/1984-26-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-34-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-84-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-82-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-80-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-78-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-74-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-72-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-70-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-68-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-67-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-64-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-62-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-58-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-56-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-54-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-52-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-48-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-46-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-44-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-42-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-38-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-36-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-32-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-30-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-28-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-24-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-76-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-60-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-50-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-40-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-22-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline behavioral1/memory/1984-21-0x0000000004B70000-0x0000000004BAE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3212 sf14lk86EZ62.exe 1984 tf87sM87OC47.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sf14lk86EZ62.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\\\"" 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.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 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tf87sM87OC47.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3212 sf14lk86EZ62.exe 3212 sf14lk86EZ62.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3212 sf14lk86EZ62.exe Token: SeDebugPrivilege 1984 tf87sM87OC47.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4088 wrote to memory of 3212 4088 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe 83 PID 4088 wrote to memory of 3212 4088 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe 83 PID 4088 wrote to memory of 1984 4088 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe 100 PID 4088 wrote to memory of 1984 4088 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe 100 PID 4088 wrote to memory of 1984 4088 3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe"C:\Users\Admin\AppData\Local\Temp\3a27de5b443658a5fdb641e537a8c8dc41f9603125d6dc6c21decd43ddd96b99.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sf14lk86EZ62.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sf14lk86EZ62.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3212
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tf87sM87OC47.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tf87sM87OC47.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1984
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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
MD59f6f894f28c49d8b23913539aa186baa
SHA10368d75e4be14fe5199c313197341a5895c8c177
SHA25604fd844840c0b0ba71606f6a7b45f08db11f09c6e5edbd0b2b4d721380d10368
SHA5129757b094129caaba542ccf04879053135fe3a1e19ea5192ff30dd750d4d1e67f3bd566398670f958693c7310140738c24e757f8d2d561e9b40139b221791717c
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Filesize
294KB
MD510466b602e1c396979e43b57cd69bdc2
SHA1dd1e099b5b8b216f8894f100427eec39023ddb4e
SHA25678104c47615ced3ba71d64a76627b6fac8b81e9b6d10c3c2713e4054fd8c1c1a
SHA5120e93a5fb25762f5295cbb68a299fefbdac4d450f55f0636917da8a48782616abed7056557c41f29ef883b42cf21cce94447dc03b68e3ce35cae3f72c7addfa4e