Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 07:19

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:2052
    • 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:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1856-21-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1856-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1856-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1856-25-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1856-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1856-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1856-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1856-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1856-26-0x0000000000A10000-0x0000000000A50000-memory.dmp

    Filesize

    256KB

  • memory/1856-22-0x0000000000A10000-0x0000000000A50000-memory.dmp

    Filesize

    256KB

  • memory/1856-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1856-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2052-6-0x00000000050E0000-0x000000000515C000-memory.dmp

    Filesize

    496KB

  • memory/2052-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-5-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2052-0-0x0000000000B20000-0x0000000000BDC000-memory.dmp

    Filesize

    752KB

  • memory/2052-20-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-4-0x00000000003C0000-0x00000000003C8000-memory.dmp

    Filesize

    32KB

  • memory/2052-3-0x0000000000310000-0x0000000000326000-memory.dmp

    Filesize

    88KB

  • memory/2052-2-0x0000000004F50000-0x0000000004F90000-memory.dmp

    Filesize

    256KB