Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2025 01:24

General

  • Target

    Dhl shipment documents 00020494940050509606000.exe

  • Size

    476KB

  • MD5

    e045c8326ee8ee3a255224d143be1c01

  • SHA1

    b2d23c0a444317b06a6f2339df790a49dd6d994c

  • SHA256

    1f7c1d0d5149d693543f2788b8a4e5c64864077b0617c40ac9d90437d2fcd947

  • SHA512

    8c3a92f558ec3364c571dd5864ffef8d21d888923ac103e1824ac646aa3b2073479d50c1178e94c2e1269289e347f9e0f4d6aee89a3277ff9117718089d66c40

  • SSDEEP

    12288:KnU51Fb/VSUE9H2sHHVsgQt/1+1hzWXp8NDc:0F1HHVs7tA1ZWXp

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dhl shipment documents 00020494940050509606000.exe
    "C:\Users\Admin\AppData\Local\Temp\Dhl shipment documents 00020494940050509606000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\Dhl shipment documents 00020494940050509606000.exe
      "C:\Users\Admin\AppData\Local\Temp\Dhl shipment documents 00020494940050509606000.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1312-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1312-19-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-22-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1312-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1312-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1312-20-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1312-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1312-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1312-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1312-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2380-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2380-7-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-21-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-1-0x0000000000BF0000-0x0000000000C6E000-memory.dmp

    Filesize

    504KB

  • memory/2380-2-0x0000000000A80000-0x0000000000AC8000-memory.dmp

    Filesize

    288KB