Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:18

General

  • Target

    1f945d083df98f17a057c881fb022efcadcdc709a4fc1188b8cd3f91a6db17e2.exe

  • Size

    801KB

  • MD5

    fb28b56faaa0220b3dc1b57e2bb8f6af

  • SHA1

    e4522a685dae0cce6062a01fff073552b6ef9c08

  • SHA256

    1f945d083df98f17a057c881fb022efcadcdc709a4fc1188b8cd3f91a6db17e2

  • SHA512

    fe46999ca65cb2cb54e4cc5639d5da0ef8be6daad0137a4eee1a7bb5db4287646bcb1d46951d43f7b7cc5228f639ba6e1cb15b660eda2ded71a1b36a1a420f15

  • SSDEEP

    24576:JGKtD/61I6IK2IKUnCcqMLJjNRctimoE:P6K6IKdtLJBRuimo

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f945d083df98f17a057c881fb022efcadcdc709a4fc1188b8cd3f91a6db17e2.exe
    "C:\Users\Admin\AppData\Local\Temp\1f945d083df98f17a057c881fb022efcadcdc709a4fc1188b8cd3f91a6db17e2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\1f945d083df98f17a057c881fb022efcadcdc709a4fc1188b8cd3f91a6db17e2.exe
      "C:\Users\Admin\AppData\Local\Temp\1f945d083df98f17a057c881fb022efcadcdc709a4fc1188b8cd3f91a6db17e2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2120-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-22-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-20-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-23-0x0000000000720000-0x0000000000760000-memory.dmp

    Filesize

    256KB

  • memory/2120-21-0x0000000000720000-0x0000000000760000-memory.dmp

    Filesize

    256KB

  • memory/2120-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2120-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-6-0x00000000052B0000-0x000000000532C000-memory.dmp

    Filesize

    496KB

  • memory/2548-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2548-19-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2548-0-0x0000000000050000-0x000000000011E000-memory.dmp

    Filesize

    824KB

  • memory/2548-5-0x0000000000660000-0x000000000066A000-memory.dmp

    Filesize

    40KB

  • memory/2548-4-0x0000000000480000-0x0000000000488000-memory.dmp

    Filesize

    32KB

  • memory/2548-3-0x0000000000640000-0x0000000000658000-memory.dmp

    Filesize

    96KB

  • memory/2548-2-0x0000000001EA0000-0x0000000001EE0000-memory.dmp

    Filesize

    256KB