Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 18:16

General

  • Target

    96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce.exe

  • Size

    250KB

  • MD5

    3aa36a9aefc7422bb97ecdb3c2bfb479

  • SHA1

    23be80979c78d2251b928e031e269833d414f8de

  • SHA256

    96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce

  • SHA512

    e36c76af5501fc24fdbd8a2ae30e1e3a5a392503773caa5ed292f6d70a28ef1959c967deefa28e52a70254dfb74686826d2e3921c1770455cca52273a8465892

  • SSDEEP

    6144:s1MMRTikhTmdsi48f0xu7a3/J/aQqDNmwJ:2MiTikhqqisj1

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.siscop.com.co
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    +5s48Ia2&-(t

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.siscop.com.co
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    +5s48Ia2&-(t

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce.exe
    "C:\Users\Admin\AppData\Local\Temp\96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce.exe
      "C:\Users\Admin\AppData\Local\Temp\96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1128-0-0x0000000000E40000-0x0000000000E84000-memory.dmp

    Filesize

    272KB

  • memory/1128-1-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1128-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1128-3-0x0000000005880000-0x0000000005912000-memory.dmp

    Filesize

    584KB

  • memory/1128-4-0x00000000059F0000-0x0000000005A00000-memory.dmp

    Filesize

    64KB

  • memory/1128-10-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1128-6-0x0000000005860000-0x0000000005861000-memory.dmp

    Filesize

    4KB

  • memory/1540-8-0x00000000053E0000-0x00000000053F0000-memory.dmp

    Filesize

    64KB

  • memory/1540-7-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-9-0x0000000005460000-0x00000000054C6000-memory.dmp

    Filesize

    408KB

  • memory/1540-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1540-11-0x0000000006AD0000-0x0000000006B20000-memory.dmp

    Filesize

    320KB

  • memory/1540-12-0x0000000006BC0000-0x0000000006C5C000-memory.dmp

    Filesize

    624KB

  • memory/1540-13-0x0000000006C70000-0x0000000006C7A000-memory.dmp

    Filesize

    40KB

  • memory/1540-14-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-15-0x00000000053E0000-0x00000000053F0000-memory.dmp

    Filesize

    64KB