Analysis

  • max time kernel
    123s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:10

General

  • Target

    121db390787d0adab89a8da7710fdd28a851551d5001083f9cadd3f77cb27b86.exe

  • Size

    1.1MB

  • MD5

    e59dd8e171a778ebb5f4069a96bc4a74

  • SHA1

    e1a46b4481bed1583e0df095aeae3780f703a0e4

  • SHA256

    121db390787d0adab89a8da7710fdd28a851551d5001083f9cadd3f77cb27b86

  • SHA512

    0467648c0a211f2f70df47b691c5b9657c5864fe9210ed9699f2bed88ba8cbb642ff946ab7665171167953d5233a274b68293ea2d19fc1d2050c971ac59bf108

  • SSDEEP

    12288:nKKE6jD/62iNG5nF8joRfSt5aLOrRQLjtTQw/YK+yQoUf+YtoLb3GWkVhuukUEJ:nKKtD/61IyoRqXaguR9/YBlWYib3GWD

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6827427845:AAHOR0NOvYU7lnFh3eGcH73r4l7P_lWKrdA/

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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\121db390787d0adab89a8da7710fdd28a851551d5001083f9cadd3f77cb27b86.exe
    "C:\Users\Admin\AppData\Local\Temp\121db390787d0adab89a8da7710fdd28a851551d5001083f9cadd3f77cb27b86.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\AppData\Local\Temp\121db390787d0adab89a8da7710fdd28a851551d5001083f9cadd3f77cb27b86.exe
      "C:\Users\Admin\AppData\Local\Temp\121db390787d0adab89a8da7710fdd28a851551d5001083f9cadd3f77cb27b86.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1784-0-0x0000000001010000-0x0000000001128000-memory.dmp

    Filesize

    1.1MB

  • memory/1784-1-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1784-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp

    Filesize

    256KB

  • memory/1784-3-0x0000000000480000-0x0000000000498000-memory.dmp

    Filesize

    96KB

  • memory/1784-4-0x00000000004A0000-0x00000000004A8000-memory.dmp

    Filesize

    32KB

  • memory/1784-5-0x00000000004B0000-0x00000000004BA000-memory.dmp

    Filesize

    40KB

  • memory/1784-6-0x0000000004F50000-0x0000000004FCE000-memory.dmp

    Filesize

    504KB

  • memory/1784-7-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1784-8-0x0000000004D80000-0x0000000004DC0000-memory.dmp

    Filesize

    256KB

  • memory/1784-21-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2816-23-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-24-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/2816-25-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-26-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB