Analysis
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max time kernel
123s -
max time network
138s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
24-10-2021 16:04
Static task
static1
Behavioral task
behavioral1
Sample
Installer.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
Installer.exe
Resource
win10-en-20210920
General
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Target
Installer.exe
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Size
168KB
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MD5
2853908eb84e04fb6f89067d3f11c13b
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SHA1
52599b74438e3af584ca6ceddbf4edb149567bb1
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SHA256
4df51739c06f4aedf119be89182dd6a8adaa6784ffe9305de0756fb8aaec2164
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SHA512
e9798a26a5cbbeb965c697ca9153a8c9f1424e61ee6c47c260b97416697cc84ac0ada2bf89188f5deba9c9537a8f502cc0bbbc302d5df639e4d3a4b30d871ecc
Malware Config
Extracted
redline
141.94.188.139:43059
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 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2296-119-0x00000000004199AE-mapping.dmp family_redline behavioral2/memory/2296-120-0x0000000000700000-0x000000000071E000-memory.dmp family_redline behavioral2/memory/2296-127-0x0000000004AC0000-0x00000000050C6000-memory.dmp family_redline -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Installer.exedescription pid process target process PID 3632 set thread context of 2296 3632 Installer.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 2296 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2296 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Installer.exedescription pid process target process PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe PID 3632 wrote to memory of 2296 3632 Installer.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Installer.exe"C:\Users\Admin\AppData\Local\Temp\Installer.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe#cmd2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2296-126-0x0000000004C20000-0x0000000004C21000-memory.dmpFilesize
4KB
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memory/2296-119-0x00000000004199AE-mapping.dmp
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memory/2296-127-0x0000000004AC0000-0x00000000050C6000-memory.dmpFilesize
6.0MB
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memory/2296-128-0x0000000004F00000-0x0000000004F01000-memory.dmpFilesize
4KB
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memory/2296-122-0x00000000050D0000-0x00000000050D1000-memory.dmpFilesize
4KB
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memory/2296-123-0x0000000004B40000-0x0000000004B41000-memory.dmpFilesize
4KB
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memory/2296-124-0x0000000004C70000-0x0000000004C71000-memory.dmpFilesize
4KB
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memory/2296-125-0x0000000004BE0000-0x0000000004BE1000-memory.dmpFilesize
4KB
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memory/2296-135-0x0000000007A00000-0x0000000007A01000-memory.dmpFilesize
4KB
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memory/2296-134-0x0000000007300000-0x0000000007301000-memory.dmpFilesize
4KB
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memory/2296-120-0x0000000000700000-0x000000000071E000-memory.dmpFilesize
120KB
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memory/2296-129-0x0000000005020000-0x0000000005021000-memory.dmpFilesize
4KB
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memory/2296-130-0x0000000005BE0000-0x0000000005BE1000-memory.dmpFilesize
4KB
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memory/2296-131-0x0000000005700000-0x0000000005701000-memory.dmpFilesize
4KB
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memory/2296-132-0x0000000005AA0000-0x0000000005AA1000-memory.dmpFilesize
4KB
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memory/2296-133-0x0000000006430000-0x0000000006431000-memory.dmpFilesize
4KB
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memory/3632-117-0x000000001B2B0000-0x000000001B2B2000-memory.dmpFilesize
8KB
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memory/3632-115-0x00000000005D0000-0x00000000005D1000-memory.dmpFilesize
4KB