Analysis
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max time kernel
120s -
max time network
134s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
23-10-2021 15:51
Static task
static1
Behavioral task
behavioral1
Sample
Cleaner.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
Cleaner.exe
Resource
win10-en-20210920
General
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Target
Cleaner.exe
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Size
211KB
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MD5
ba3581cd235eec704cc63575f546cebc
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SHA1
529634b8285edf381b27cd3adf369361f795b59a
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SHA256
a7ee4b81780bf55a3da4a984a35563b20441f5b0a618771882ae1e4000b4d941
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SHA512
c1dc71a22d822198e9832dbb2490ecd74b2aa5e5cf42ff9aa385dc0d5ac01088d8f391d0cf22e132f857858a61e922d18c68199f0c8ef7c5d6d5b3a09bb3761c
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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/776-117-0x0000000000400000-0x000000000041E000-memory.dmp family_redline behavioral2/memory/776-119-0x00000000004199AE-mapping.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:
Cleaner.exedescription pid process target process PID 3352 set thread context of 776 3352 Cleaner.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 776 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 776 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Cleaner.exedescription pid process target process PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe PID 3352 wrote to memory of 776 3352 Cleaner.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Cleaner.exe"C:\Users\Admin\AppData\Local\Temp\Cleaner.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/776-126-0x0000000004F10000-0x0000000005516000-memory.dmpFilesize
6.0MB
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memory/776-131-0x0000000006530000-0x0000000006531000-memory.dmpFilesize
4KB
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memory/776-127-0x0000000005030000-0x0000000005031000-memory.dmpFilesize
4KB
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memory/776-128-0x0000000006030000-0x0000000006031000-memory.dmpFilesize
4KB
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memory/776-122-0x0000000005520000-0x0000000005521000-memory.dmpFilesize
4KB
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memory/776-123-0x0000000004F70000-0x0000000004F71000-memory.dmpFilesize
4KB
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memory/776-124-0x00000000050A0000-0x00000000050A1000-memory.dmpFilesize
4KB
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memory/776-125-0x0000000004FF0000-0x0000000004FF1000-memory.dmpFilesize
4KB
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memory/776-135-0x0000000007070000-0x0000000007071000-memory.dmpFilesize
4KB
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memory/776-134-0x0000000007110000-0x0000000007111000-memory.dmpFilesize
4KB
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memory/776-119-0x00000000004199AE-mapping.dmp
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memory/776-129-0x0000000005330000-0x0000000005331000-memory.dmpFilesize
4KB
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memory/776-130-0x0000000005F00000-0x0000000005F01000-memory.dmpFilesize
4KB
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memory/776-117-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/776-132-0x0000000005FE0000-0x0000000005FE1000-memory.dmpFilesize
4KB
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memory/776-133-0x0000000006A10000-0x0000000006A11000-memory.dmpFilesize
4KB
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memory/3352-118-0x000000001B4E0000-0x000000001B4E2000-memory.dmpFilesize
8KB
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memory/3352-115-0x0000000000800000-0x0000000000801000-memory.dmpFilesize
4KB