Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 19:46

General

  • Target

    286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474exe.exe

  • Size

    694KB

  • MD5

    239046147b36ff4763db827c7f9b6dc6

  • SHA1

    b21e17ce0b240f59d6681971071fb00952154a46

  • SHA256

    286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474

  • SHA512

    de130ed39cd8f4c4294e1dea04d5019ec939b7bd82cef41b08dd248205c5394b5b7eb428ac2655be9d6486e7e237a7caf0542ff4ac4adf6442cfc4d6dc524c76

  • SSDEEP

    12288:4ueH5qGEWapltx5Vr1rzKp8TOQqT8IM+WzgqmpcmSLXUd5M2:MqbXpltpBKwFqT82aRmqQ5M2

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 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474exe.exe
    "C:\Users\Admin\AppData\Local\Temp\286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474exe.exe
      "C:\Users\Admin\AppData\Local\Temp\286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1944-23-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1944-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-25-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1944-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-26-0x00000000048A0000-0x00000000048E0000-memory.dmp

    Filesize

    256KB

  • memory/1944-24-0x00000000048A0000-0x00000000048E0000-memory.dmp

    Filesize

    256KB

  • memory/1944-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1944-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2172-6-0x0000000005190000-0x000000000520A000-memory.dmp

    Filesize

    488KB

  • memory/2172-1-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-5-0x00000000005B0000-0x00000000005BA000-memory.dmp

    Filesize

    40KB

  • memory/2172-0-0x00000000009E0000-0x0000000000A94000-memory.dmp

    Filesize

    720KB

  • memory/2172-22-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-4-0x0000000000520000-0x0000000000528000-memory.dmp

    Filesize

    32KB

  • memory/2172-3-0x00000000009C0000-0x00000000009DA000-memory.dmp

    Filesize

    104KB

  • memory/2172-2-0x0000000004A30000-0x0000000004A70000-memory.dmp

    Filesize

    256KB