Analysis
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max time kernel
140s -
max time network
150s -
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 10:56
Static task
static1
Behavioral task
behavioral1
Sample
4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe
Resource
win10v2004-20241007-en
General
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Target
4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe
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Size
509KB
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MD5
67a1a7cae6ea3b65bfd86312c65b2c50
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SHA1
37e7729ae113353602a9798b3a14c13c6f669178
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SHA256
4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3
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SHA512
da06322dcd2c7ea86148f731c10aa929b03178e0591e34338f2cca54204fb979d22d3fdd383cd244578b790cfc9ab9e8cad50c948d7c4b391cd94a4163b8677d
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SSDEEP
12288:9MrBy902861He/LJinMYsbvnIm4GZTZVAJ+5:0y38IHiLDzjIzaZOJ6
Malware Config
Extracted
redline
romik
193.233.20.12:4132
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auth_value
8fb78d2889ba0ca42678b59b884e88ff
Signatures
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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/312-12-0x0000000002670000-0x00000000026B6000-memory.dmp family_redline behavioral1/memory/312-14-0x0000000002A50000-0x0000000002A94000-memory.dmp family_redline behavioral1/memory/312-22-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-79-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-76-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-74-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-72-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-70-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-68-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-66-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-64-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-62-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-60-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-58-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-54-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-52-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-50-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-48-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-46-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-44-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-42-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-38-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-37-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-32-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-30-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-28-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-26-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-24-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-20-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-18-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-16-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-15-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-56-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-40-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline behavioral1/memory/312-34-0x0000000002A50000-0x0000000002A8E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 1 IoCs
pid Process 312 dyV94.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\\\"" 4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.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 4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dyV94.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 312 dyV94.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4900 wrote to memory of 312 4900 4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe 85 PID 4900 wrote to memory of 312 4900 4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe 85 PID 4900 wrote to memory of 312 4900 4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe"C:\Users\Admin\AppData\Local\Temp\4ecf3f6da745d90f98134512bfb0ab0513086ce2fce33fbce968a80150ea61d3.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dyV94.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dyV94.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:312
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
281KB
MD51b3f6a341b4fa013cf3f377b3ef4f6f8
SHA1a6cf129e55830409609df13609f2656774809e20
SHA2567dab4b2c0841de1211db5d5f75e86c72efdf53fd445d4ccde2dc47f41d1ae65c
SHA512b0c2b67f97cbdb58964a34de534c1c124e3566b1292c8994d7458bfb9372eeeab88f9537bf668865dcf4fba82d467149e24c830d5d8e7362c5b10ae125387417