Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 16:55

General

  • Target

    EPaymentCopy.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\EPaymentCopy.exe
    "C:\Users\Admin\AppData\Local\Temp\EPaymentCopy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\EPaymentCopy.exe
      "C:\Users\Admin\AppData\Local\Temp\EPaymentCopy.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1448-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1448-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1448-24-0x00000000043F0000-0x0000000004430000-memory.dmp

    Filesize

    256KB

  • memory/1448-27-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1448-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1448-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1448-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1448-22-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1448-28-0x00000000043F0000-0x0000000004430000-memory.dmp

    Filesize

    256KB

  • memory/1448-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1448-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1448-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2104-6-0x0000000004E90000-0x0000000004F0C000-memory.dmp

    Filesize

    496KB

  • memory/2104-1-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-5-0x0000000000390000-0x000000000039A000-memory.dmp

    Filesize

    40KB

  • memory/2104-0-0x00000000002B0000-0x000000000036C000-memory.dmp

    Filesize

    752KB

  • memory/2104-4-0x0000000000380000-0x0000000000388000-memory.dmp

    Filesize

    32KB

  • memory/2104-23-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-3-0x00000000002A0000-0x00000000002B6000-memory.dmp

    Filesize

    88KB

  • memory/2104-2-0x0000000004600000-0x0000000004640000-memory.dmp

    Filesize

    256KB