Analysis
- max time kernel
18s - max time network
104s - platform
windows10_x64 - resource
win10v20201028 - submitted
12/02/2021, 19:17
General
- Target e0b201e817b42e1efcc57aae3a3d4b94.exe
- Size 654KB
- Sample210212-btjabctxva
- SHA256 6f3f902d2c797c2a9eef8bea492ec2e5c2cccdf3b9e93c7d2d56c4094f02daec
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\e0b201e817b42e1efcc57aae3a3d4b94.exe"C:\Users\Admin\AppData\Local\Temp\e0b201e817b42e1efcc57aae3a3d4b94.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/3844-17-0x00000000025B0000-0x00000000025B1000-memory.dmp
memory/3844-23-0x0000000005710000-0x0000000005711000-memory.dmp
memory/3844-32-0x00000000076F0000-0x00000000076F1000-memory.dmp
memory/3844-31-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
memory/3844-8-0x0000000002130000-0x0000000002131000-memory.dmp
memory/3844-9-0x0000000002130000-0x0000000002166000-memory.dmp
memory/3844-10-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/3844-11-0x00000000722C0000-0x00000000729AE000-memory.dmp
memory/3844-12-0x0000000002220000-0x000000000224E000-memory.dmp
memory/3844-13-0x0000000004A60000-0x0000000004A61000-memory.dmp
memory/3844-15-0x00000000025C0000-0x00000000025EC000-memory.dmp
memory/3844-16-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3844-30-0x0000000006E10000-0x0000000006E11000-memory.dmp
memory/3844-14-0x0000000000730000-0x0000000000767000-memory.dmp
memory/3844-20-0x0000000004F60000-0x0000000004F61000-memory.dmp
memory/3844-18-0x00000000025B2000-0x00000000025B3000-memory.dmp
memory/3844-21-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/3844-22-0x0000000005070000-0x0000000005071000-memory.dmp
memory/3844-19-0x00000000025B3000-0x00000000025B4000-memory.dmp
memory/3844-24-0x0000000005730000-0x0000000005731000-memory.dmp
memory/3844-25-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/3844-26-0x00000000025B4000-0x00000000025B6000-memory.dmp
memory/3844-27-0x0000000005A20000-0x0000000005A21000-memory.dmp
memory/3844-28-0x00000000065F0000-0x00000000065F1000-memory.dmp
memory/3844-29-0x00000000067D0000-0x00000000067D1000-memory.dmp
memory/4764-2-0x0000000002160000-0x0000000002161000-memory.dmp
memory/4764-3-0x0000000002160000-0x000000000222F000-memory.dmp
memory/4764-4-0x0000000000400000-0x00000000004D5000-memory.dmp