Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 01:55

General

  • Target

    Purchase Order.exe

  • Size

    646KB

  • MD5

    fd4f5db156867b51baf72ce10cb1a486

  • SHA1

    d1c1ce8f0bf2bb7445610333ded67c4759209289

  • SHA256

    1ff764ec5a79ed2072a558af6de49b863e9e5683e63b3c070e86c9d1b7814f4d

  • SHA512

    f013a7c900d5f11fe041d88423c07efcbf31fcdc400da00db8be661ddedd5f7913083c3faf5ee6d49ab97741389a21e82c2050870677afc3383b7d5436bc92cb

  • SSDEEP

    12288:aH3IU8S6eUdsifKXhLvlg8J3PE1Nfjhm6MqOdWK3TLiMl:aXItSAdsiohRgWYHmaOMK33Bl

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
      2⤵
        PID:1936
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2412

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2088-0-0x0000000000990000-0x0000000000A38000-memory.dmp

      Filesize

      672KB

    • memory/2088-1-0x0000000074070000-0x000000007475E000-memory.dmp

      Filesize

      6.9MB

    • memory/2088-2-0x0000000004B90000-0x0000000004BD0000-memory.dmp

      Filesize

      256KB

    • memory/2088-3-0x0000000001E40000-0x0000000001E58000-memory.dmp

      Filesize

      96KB

    • memory/2088-4-0x0000000000600000-0x0000000000608000-memory.dmp

      Filesize

      32KB

    • memory/2088-5-0x0000000001E60000-0x0000000001E6A000-memory.dmp

      Filesize

      40KB

    • memory/2088-6-0x00000000004A0000-0x000000000051A000-memory.dmp

      Filesize

      488KB

    • memory/2088-22-0x0000000074070000-0x000000007475E000-memory.dmp

      Filesize

      6.9MB

    • memory/2412-9-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2412-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-24-0x0000000004980000-0x00000000049C0000-memory.dmp

      Filesize

      256KB

    • memory/2412-23-0x0000000074070000-0x000000007475E000-memory.dmp

      Filesize

      6.9MB

    • memory/2412-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2412-25-0x0000000074070000-0x000000007475E000-memory.dmp

      Filesize

      6.9MB