Analysis
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max time kernel
142s -
max time network
149s -
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, 02:40
Static task
static1
Behavioral task
behavioral1
Sample
41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe
Resource
win10v2004-20241007-en
General
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Target
41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe
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Size
440KB
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MD5
8197dc1ca5ff44b7783ed34fd2e423e5
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SHA1
70808c29191ed8e2e505fd6835d3a4d15a74f8c0
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SHA256
41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15
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SHA512
1d1a7acd5b8f9dca481516097790bed6364ec41bacea1a639210b0229c6e5b61ff422176f957def813515a36cf092fc9d8b7903713e7b874c7c412f2d9e8223d
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SSDEEP
6144:K7y+bnr+sp0yN90QEUg6WNGF1t14ByT8bUDH/MOXs6YbBstt4JXkuFc6Ze:BMrEy90+g6W8F13F/MB6uB/JXkuzZe
Malware Config
Extracted
redline
ronur
193.233.20.20:4134
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auth_value
f88f86755a528d4b25f6f3628c460965
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/1708-12-0x0000000004C50000-0x0000000004C96000-memory.dmp family_redline behavioral1/memory/1708-14-0x0000000005290000-0x00000000052D4000-memory.dmp family_redline behavioral1/memory/1708-78-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-76-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-74-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-72-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-70-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-68-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-66-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-64-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-62-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-60-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-58-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-54-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-52-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-50-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-49-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-44-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-42-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-40-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-38-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-36-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-34-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-32-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-30-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-28-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-24-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-22-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-20-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-19-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-16-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-56-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-46-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-26-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline behavioral1/memory/1708-15-0x0000000005290000-0x00000000052CE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 1 IoCs
pid Process 1708 nUL85nz.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\\\"" 41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.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 41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nUL85nz.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1708 nUL85nz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1804 wrote to memory of 1708 1804 41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe 84 PID 1804 wrote to memory of 1708 1804 41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe 84 PID 1804 wrote to memory of 1708 1804 41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe"C:\Users\Admin\AppData\Local\Temp\41855f8fed3914b9976db29c47628413bad748dd99b3cbc28747c1e1faea5d15.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nUL85nz.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nUL85nz.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
314KB
MD5ee84dcb51d989665a64057d90939b788
SHA1b570b336ba7bf97c9a935b5f2b2d5bc3da6246a4
SHA2569ad3d8f666c3a475c30c5a79e35b5b9f68c47a127b80116357112d63494dd7f6
SHA512e1ded20d1376e789b717145dc5d2f3b37f152bfa6feb59760fe067147982f77f5eb3232639f2e47a728ec406e9a68407bdd7e357e6ca510fac36abbfc4318282