Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 18:19

General

  • Target

    e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe

  • Size

    812KB

  • MD5

    73c4d511b769f0869c87b5d4621f2a81

  • SHA1

    a8928f94fc09b95a019ca5cc4a7f3c0f89966684

  • SHA256

    e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74

  • SHA512

    9d886ebccc71c4e060fafdcf2d736fea2ec391495935c20fa5542f2fb7ec045587cbe25f408f239be7616c6b027e7590ee5ee121306952514ed6e0586f39d8d4

  • SSDEEP

    24576:/34/up+pJBv8nNX2ohpy+1AphoGJLYQgll7Bq:/38PJ2NziyAphoGxYZl

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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe
    "C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe
      "C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1244-1-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/1244-0-0x0000000000DD0000-0x0000000000EA2000-memory.dmp

    Filesize

    840KB

  • memory/1244-2-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1244-3-0x00000000003D0000-0x00000000003E8000-memory.dmp

    Filesize

    96KB

  • memory/1244-4-0x0000000000480000-0x0000000000488000-memory.dmp

    Filesize

    32KB

  • memory/1244-5-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/1244-6-0x0000000005340000-0x00000000053BA000-memory.dmp

    Filesize

    488KB

  • memory/1244-17-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2280-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2280-20-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-21-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-22-0x0000000004820000-0x0000000004860000-memory.dmp

    Filesize

    256KB