Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 05:20

General

  • Target

    a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe

  • Size

    620KB

  • MD5

    575968a1f7c8198c725b0fb39ecf7b48

  • SHA1

    c3f184b71474527f32e2bfacfce79c36f39f8ea7

  • SHA256

    a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672

  • SHA512

    9948f297f3d42d8654b915c124e87ede93d79a1962578a42e40bf33a497b012aeb01164ac1ee1f10b5ab305ece4975d7500647b41239040cfa41cc122307e643

  • SSDEEP

    12288:Eg3IU8S6eUdzTUxbq0YOaoxqLsH/EkXVt0KLsjd/9EVqEopHT+Hc0B2/:EeItSAdzAxNYOabLsH/EkXV+9x+qEsee

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe
    "C:\Users\Admin\AppData\Local\Temp\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe
      "C:\Users\Admin\AppData\Local\Temp\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe"
      2⤵
        PID:4732
      • C:\Users\Admin\AppData\Local\Temp\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe
        "C:\Users\Admin\AppData\Local\Temp\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a5e5a2eac636035a32e7e8750105955f0795e36715a1a46e0becba3f4a8a3672.exe.log

      Filesize

      1KB

      MD5

      0c2899d7c6746f42d5bbe088c777f94c

      SHA1

      622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

      SHA256

      5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

      SHA512

      ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

    • memory/876-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/876-20-0x0000000005410000-0x0000000005420000-memory.dmp

      Filesize

      64KB

    • memory/876-19-0x00000000732A0000-0x000000007398E000-memory.dmp

      Filesize

      6.9MB

    • memory/876-18-0x0000000006750000-0x00000000067A0000-memory.dmp

      Filesize

      320KB

    • memory/876-15-0x0000000005410000-0x0000000005420000-memory.dmp

      Filesize

      64KB

    • memory/876-16-0x00000000052A0000-0x0000000005306000-memory.dmp

      Filesize

      408KB

    • memory/876-14-0x00000000732A0000-0x000000007398E000-memory.dmp

      Filesize

      6.9MB

    • memory/3340-5-0x0000000005890000-0x000000000589A000-memory.dmp

      Filesize

      40KB

    • memory/3340-9-0x0000000003020000-0x000000000309A000-memory.dmp

      Filesize

      488KB

    • memory/3340-10-0x000000000D790000-0x000000000D82C000-memory.dmp

      Filesize

      624KB

    • memory/3340-8-0x000000000A410000-0x000000000A41A000-memory.dmp

      Filesize

      40KB

    • memory/3340-7-0x000000000A3F0000-0x000000000A3F8000-memory.dmp

      Filesize

      32KB

    • memory/3340-6-0x0000000007D90000-0x0000000007DA8000-memory.dmp

      Filesize

      96KB

    • memory/3340-0-0x0000000000E10000-0x0000000000EB2000-memory.dmp

      Filesize

      648KB

    • memory/3340-4-0x00000000056C0000-0x00000000056D0000-memory.dmp

      Filesize

      64KB

    • memory/3340-17-0x00000000732A0000-0x000000007398E000-memory.dmp

      Filesize

      6.9MB

    • memory/3340-3-0x0000000005730000-0x00000000057C2000-memory.dmp

      Filesize

      584KB

    • memory/3340-1-0x00000000732A0000-0x000000007398E000-memory.dmp

      Filesize

      6.9MB

    • memory/3340-2-0x0000000005B50000-0x000000000604E000-memory.dmp

      Filesize

      5.0MB