Analysis
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max time kernel
142s -
max time network
146s -
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, 03:25
Static task
static1
Behavioral task
behavioral1
Sample
dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe
Resource
win10v2004-20241007-en
General
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Target
dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe
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Size
380KB
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MD5
1904afeb815147ce6fd95cc813f6ae11
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SHA1
e982063628128d20884cab82658e9d266d802424
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SHA256
dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b
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SHA512
4135bd6bbdb7ad6753197f6855fa388abbe9de709bab614cf731d370413aface4d7bddbd17a73112d99df293ba499bc6138523d87e336674cb252943bd139702
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SSDEEP
6144:Kay+bnr+tp0yN90QE5qdnnM3KxOt5GxrABTDq320ChCWq+lzJwO4lJCm7x:aMrxy90md1Ut5GxrwTzhCaJ6Oed1
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000c000000023b4a-6.dat healer behavioral1/memory/3904-8-0x0000000000D30000-0x0000000000D3A000-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\DisableScanOnRealtimeEnable = "1" jr983587.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr983587.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr983587.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr983587.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr983587.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr983587.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/4432-18-0x00000000024C0000-0x0000000002506000-memory.dmp family_redline behavioral1/memory/4432-20-0x0000000004AF0000-0x0000000004B34000-memory.dmp family_redline behavioral1/memory/4432-28-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-34-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-84-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-82-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-78-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-76-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-74-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-72-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-71-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-68-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-66-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-64-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-62-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-60-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-58-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-56-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-54-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-50-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-48-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-46-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-44-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-42-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-38-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-36-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-32-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-30-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-80-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-52-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-40-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-26-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-24-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-22-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline behavioral1/memory/4432-21-0x0000000004AF0000-0x0000000004B2F000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3904 jr983587.exe 4432 ku023415.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr983587.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\\\"" dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.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 dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku023415.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3904 jr983587.exe 3904 jr983587.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3904 jr983587.exe Token: SeDebugPrivilege 4432 ku023415.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1428 wrote to memory of 3904 1428 dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe 83 PID 1428 wrote to memory of 3904 1428 dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe 83 PID 1428 wrote to memory of 4432 1428 dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe 95 PID 1428 wrote to memory of 4432 1428 dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe 95 PID 1428 wrote to memory of 4432 1428 dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe"C:\Users\Admin\AppData\Local\Temp\dca4938770164371aa107bebbe0f624d859f5384573aa4f623f7b27a021a015b.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr983587.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr983587.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku023415.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku023415.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4432
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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
15KB
MD5a870103746c359c115ac0a16d915948b
SHA115c05220a95ae9ac6b963e0d2ca3fb14ef5c63d7
SHA256ef54cfce7843347f69148cf6e4db46da2c3ce1e33b522ca256f574637ada1b50
SHA512d7efbc4e72c1b7ac54e76d82afe9903236b07a22b504ffdb8d8637d2aec854570dd61ecd8e45b1e4307eb5ef11763b95f444ef18f991ffdc6016d4b7a96bd98a
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Filesize
295KB
MD5c565246f7c19aa840142ce2a78bf67d1
SHA1949cb1eaf75357221e667747ecad20881f6d7d5a
SHA256a156db13490ca0a9350c2b84ea4d199edaf4b3d05006dfefcb591ed62cd4eafb
SHA51224fe5b91ed8d8c8c56c1d071f876efbda7840d02388b1eed88c51b8227044c3597f561f81ecd801a9ab56d05da813c695bcac8e3476ab81dd1f8b845943fe9c0