Analysis
- max time kernel
28s - max time network
69s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/10/2020, 06:44
General
- Target 9a1c77227b81a36e65a1f35da3545c6d.exe
- Size 789KB
- Sample201031-eppjetd6y2
- SHA256 40ba9d771237508e4f0ea5d498a14a0345d802effc02317487256a1feff1dec1
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 9 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 13 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9a1c77227b81a36e65a1f35da3545c6d.exe"C:\Users\Admin\AppData\Local\Temp\9a1c77227b81a36e65a1f35da3545c6d.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 7562⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 8362⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 12082⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 15682⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 15722⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 35⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 16082⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 18962⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 18402⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 18162⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/184-12-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
memory/184-15-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/584-0-0x00000000025EB000-0x00000000025ED000-memory.dmp
memory/584-1-0x0000000004070000-0x0000000004071000-memory.dmp
memory/1124-133-0x0000000004A20000-0x0000000004A21000-memory.dmp
memory/1124-128-0x0000000004720000-0x0000000004721000-memory.dmp
memory/1452-16-0x0000000005000000-0x0000000005001000-memory.dmp
memory/1452-19-0x0000000005730000-0x0000000005731000-memory.dmp
memory/2000-120-0x0000000004E40000-0x0000000004E41000-memory.dmp
memory/2376-23-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/2376-20-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/2808-39-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
memory/2808-45-0x0000000005780000-0x0000000005781000-memory.dmp
memory/2984-127-0x0000000004E60000-0x0000000004E61000-memory.dmp
memory/2984-124-0x0000000004720000-0x0000000004721000-memory.dmp
memory/3104-43-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/3104-136-0x0000000007240000-0x0000000007241000-memory.dmp
memory/3104-32-0x0000000000400000-0x0000000000436000-memory.dmp
memory/3104-33-0x0000000003140000-0x0000000003141000-memory.dmp
memory/3104-34-0x00000000730A0000-0x000000007378E000-memory.dmp
memory/3104-35-0x00000000030D0000-0x00000000030F4000-memory.dmp
memory/3104-36-0x0000000005B80000-0x0000000005B81000-memory.dmp
memory/3104-37-0x00000000032A0000-0x00000000032C2000-memory.dmp
memory/3104-38-0x0000000006690000-0x0000000006691000-memory.dmp
memory/3104-42-0x0000000005700000-0x0000000005701000-memory.dmp
memory/3104-141-0x0000000008B10000-0x0000000008B11000-memory.dmp
memory/3104-140-0x0000000007720000-0x0000000007721000-memory.dmp
memory/3104-51-0x0000000005750000-0x0000000005751000-memory.dmp
memory/3104-74-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/3104-139-0x00000000075F0000-0x00000000075F1000-memory.dmp
memory/3104-138-0x00000000072E0000-0x00000000072E1000-memory.dmp
memory/3104-137-0x0000000006FE0000-0x0000000006FE1000-memory.dmp
memory/3104-30-0x0000000000400000-0x0000000000436000-memory.dmp
memory/3104-135-0x0000000007770000-0x0000000007771000-memory.dmp
memory/3104-134-0x0000000007070000-0x0000000007071000-memory.dmp
memory/3148-11-0x0000000004910000-0x0000000004911000-memory.dmp
memory/3148-6-0x0000000004720000-0x0000000004721000-memory.dmp
memory/3200-3-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/3200-5-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/3200-2-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/4040-27-0x00000000730A0000-0x000000007378E000-memory.dmp
memory/4040-28-0x0000000000890000-0x0000000000891000-memory.dmp