Analysis
- max time kernel
18s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
16/02/2021, 18:57
General
- Target 9f6e248d46dd74f5c1e1c28cf74dd214.exe
- Size 512KB
- Sample210216-tk9qa9lrjs
- SHA256 9024b91ce7d51dcba37b1c4d50e89d0819ef236f2e8adaac8e935dbdc49de99c
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
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9f6e248d46dd74f5c1e1c28cf74dd214.exe"C:\Users\Admin\AppData\Local\Temp\9f6e248d46dd74f5c1e1c28cf74dd214.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\paperships\noabu.exenoabu.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/756-3-0x0000000000D30000-0x0000000000DFF000-memory.dmp
memory/756-4-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/756-2-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
memory/2312-17-0x0000000006FF0000-0x000000000701A000-memory.dmp
memory/2312-20-0x0000000007040000-0x0000000007041000-memory.dmp
memory/2312-9-0x0000000007500000-0x0000000007501000-memory.dmp
memory/2312-10-0x0000000072AC0000-0x00000000731AE000-memory.dmp
memory/2312-11-0x0000000006D00000-0x0000000006D2C000-memory.dmp
memory/2312-12-0x0000000009840000-0x0000000009841000-memory.dmp
memory/2312-13-0x0000000006BC0000-0x0000000006BF6000-memory.dmp
memory/2312-14-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2312-16-0x0000000006EC2000-0x0000000006EC3000-memory.dmp
memory/2312-18-0x0000000006EC3000-0x0000000006EC4000-memory.dmp
memory/2312-15-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
memory/2312-19-0x00000000072C0000-0x00000000072C1000-memory.dmp
memory/2312-8-0x0000000006BC0000-0x0000000006BC1000-memory.dmp
memory/2312-21-0x0000000009D40000-0x0000000009D41000-memory.dmp
memory/2312-22-0x0000000007390000-0x0000000007391000-memory.dmp
memory/2312-23-0x000000000A350000-0x000000000A351000-memory.dmp
memory/2312-24-0x0000000006EC4000-0x0000000006EC6000-memory.dmp
memory/2312-25-0x000000000A4B0000-0x000000000A4B1000-memory.dmp
memory/2312-26-0x000000000A630000-0x000000000A631000-memory.dmp
memory/2312-27-0x000000000B1F0000-0x000000000B1F1000-memory.dmp
memory/2312-28-0x000000000B3E0000-0x000000000B3E1000-memory.dmp
memory/2312-29-0x000000000BA20000-0x000000000BA21000-memory.dmp
memory/2312-30-0x000000000BAD0000-0x000000000BAD1000-memory.dmp
memory/2312-31-0x000000000C300000-0x000000000C301000-memory.dmp