Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23/02/2021, 07:53

General

  • Target
    5b59e521935e56a03255623df51c1631.exe
  • Size 473KB
  • Sample210223-18ltg9cs2a
  • SHA256 e6370f5f39e8e3d7a2506659786deadd1fe5ce8208cb2b6bf7748b6637a3b793
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.rizrvd.com/bw82/

Decoy
  • fundamentaliemef.com

  • gallerybrows.com

  • leadeligey.com

  • octoberx2.online

  • climaxnovels.com

  • gdsjgf.com

  • curateherstories.com

  • blacksailus.com

  • yjpps.com

  • gmobilet.com

  • fcoins.club

  • foreverlive2027.com

  • healthyfifties.com

  • wmarquezy.com

  • housebulb.com

  • thebabyfriendly.com

  • primajayaintiperkasa.com

  • learnplaychess.com

  • chrisbubser.digital

  • xn--avenr-wsa.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b59e521935e56a03255623df51c1631.exe
    "C:\Users\Admin\AppData\Local\Temp\5b59e521935e56a03255623df51c1631.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\5b59e521935e56a03255623df51c1631.exe
      "C:\Users\Admin\AppData\Local\Temp\5b59e521935e56a03255623df51c1631.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1860

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1860-8-0x0000000000400000-0x0000000000428000-memory.dmp

        memory/1860-11-0x00000000008F0000-0x0000000000BF3000-memory.dmp

        memory/1968-2-0x0000000074200000-0x00000000748EE000-memory.dmp

        memory/1968-3-0x0000000001300000-0x0000000001301000-memory.dmp

        memory/1968-5-0x00000000012B0000-0x00000000012B1000-memory.dmp

        memory/1968-6-0x00000000003B0000-0x00000000003B3000-memory.dmp

        memory/1968-7-0x0000000004780000-0x00000000047D0000-memory.dmp