Analysis
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max time kernel
189s -
max time network
201s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
04-10-2023 11:21
Behavioral task
behavioral1
Sample
redline.exe
Resource
win7-20230831-en
windows7-x64
10 signatures
150 seconds
General
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Target
redline.exe
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Size
631KB
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MD5
2345c226577de700a9158518531baf1d
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SHA1
7fbb1b7cfe5705c22b63b0867b4e9ea742c3d0b7
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SHA256
1479a6a608f751577c1b87438adeaf13211690dc1e8931715d5a3cab0572e316
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SHA512
539197f0808eb33fffe426aa718891cf4be05d23aab208b49b97b5ba03e31d1602c1febcb1a66961336b893bae48a384ec51f1c762803ca23456c0bf97e786a0
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SSDEEP
12288:Dd9VHRFi5j/7YsGp9Tk4nKZUGT4p5gTbARgDBL:5RLT2ypUcsBL
Score
10/10
Malware Config
Extracted
Family
redline
C2
54.38.9.216:9487
Attributes
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auth_value
9bde7608ef33d6cbd8c01687cdd53196
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 5 IoCs
resource yara_rule behavioral1/memory/2592-5-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/2592-6-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/2592-8-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/2592-10-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/2592-12-0x0000000000400000-0x0000000000420000-memory.dmp family_redline -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2180 set thread context of 2592 2180 redline.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2592 RegAsm.exe 2592 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2592 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28 PID 2180 wrote to memory of 2592 2180 redline.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\redline.exe"C:\Users\Admin\AppData\Local\Temp\redline.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe#cmd2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\UnlockApprove.cfg1⤵
- Modifies registry class
PID:2992