Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26/05/2021, 16:59

General

  • Target
    47b7a984658530083d914253649f86c6.exe
  • Size 708KB
  • Sample210526-apy7exla3x
  • SHA256 faa254ca57ec7188939dc6b75b65b9e018d3152c5adb2953daaea28fd4044b69
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • MIX 25.05

C2
  • xisolenoy.xyz:80

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47b7a984658530083d914253649f86c6.exe
    "C:\Users\Admin\AppData\Local\Temp\47b7a984658530083d914253649f86c6.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:396

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/296-60-0x0000000001D20000-0x0000000001DEE000-memory.dmp

        memory/296-61-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/296-59-0x00000000757E1000-0x00000000757E3000-memory.dmp

        memory/396-65-0x0000000000580000-0x0000000000599000-memory.dmp

        memory/396-66-0x0000000000840000-0x0000000000857000-memory.dmp

        memory/396-67-0x0000000000230000-0x000000000025E000-memory.dmp

        memory/396-68-0x0000000000400000-0x000000000046D000-memory.dmp

        memory/396-69-0x0000000004A21000-0x0000000004A22000-memory.dmp

        memory/396-70-0x0000000004A22000-0x0000000004A23000-memory.dmp

        memory/396-71-0x0000000004A23000-0x0000000004A24000-memory.dmp

        memory/396-72-0x0000000004A24000-0x0000000004A26000-memory.dmp