Analysis

  • max time kernel
    36s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28/05/2021, 19:07

General

  • Target
    6da5b9ccedaa30376ae4eaea0947546f.exe
  • Size 774KB
  • Sample210528-zzaecaz2px
  • SHA256 0e2fce48323652f4be8408c1ab8b1565e40fe120f712127d2ab73c67167cce06
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Deletes itself 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
  • Looks up external IP address via web service 3 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6da5b9ccedaa30376ae4eaea0947546f.exe
    "C:\Users\Admin\AppData\Local\Temp\6da5b9ccedaa30376ae4eaea0947546f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:308
    • C:\Users\Admin\AppData\Local\Temp\6da5b9ccedaa30376ae4eaea0947546f.exe
      C:\Users\Admin\AppData\Local\Temp\6da5b9ccedaa30376ae4eaea0947546f.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "6da5b9ccedaa30376ae4eaea0947546f.exe"
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:1468

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/308-60-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

          memory/308-62-0x00000000044F0000-0x0000000004573000-memory.dmp

          memory/308-63-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

          memory/308-64-0x0000000000410000-0x0000000000418000-memory.dmp

          memory/1384-65-0x0000000000400000-0x0000000000544000-memory.dmp

          memory/1384-67-0x0000000000400000-0x0000000000544000-memory.dmp

          memory/1384-69-0x0000000004DE0000-0x0000000004DE1000-memory.dmp