Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 04:07

General

  • Target

    E-Payment Copy.exe

  • Size

    726KB

  • MD5

    0a42b7c6892fea5fd8dd83081b370b41

  • SHA1

    8af42b1368d5241f10912579ae8bfe8daf63b6b8

  • SHA256

    e867aa353bc6f4269ab0a3d6174012ec741ab5b61b83117dedae25c5701d965c

  • SHA512

    e357837d04d3a72159795b125000e5bc64613862626bcb256f736186e020c76d044901a988efe26301143a42b84ab97c95f8ac5ead9d09f4f17a593a0fb30692

  • SSDEEP

    12288:3dIBt389ZiyQAUNpixgVqsdDXz3Vf4PlQzPvcCb4iG:3wiH8WobXGcPkCb4iG

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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\E-Payment Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\E-Payment Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\E-Payment Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\E-Payment Copy.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1748-20-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/1748-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1748-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1748-24-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/1748-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1748-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1748-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1748-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1748-25-0x0000000000580000-0x00000000005C0000-memory.dmp

    Filesize

    256KB

  • memory/1748-21-0x0000000000580000-0x00000000005C0000-memory.dmp

    Filesize

    256KB

  • memory/1748-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1748-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2188-6-0x0000000005E70000-0x0000000005EEC000-memory.dmp

    Filesize

    496KB

  • memory/2188-1-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-5-0x0000000000290000-0x000000000029A000-memory.dmp

    Filesize

    40KB

  • memory/2188-0-0x0000000000E80000-0x0000000000F3C000-memory.dmp

    Filesize

    752KB

  • memory/2188-19-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-4-0x0000000000280000-0x0000000000288000-memory.dmp

    Filesize

    32KB

  • memory/2188-3-0x0000000000260000-0x0000000000276000-memory.dmp

    Filesize

    88KB

  • memory/2188-2-0x0000000000DD0000-0x0000000000E10000-memory.dmp

    Filesize

    256KB