Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2022 12:17

General

  • Target

    PO-101589722.exe

  • Size

    584KB

  • MD5

    48175e8d4cab7d2632e01b36d7fb7fdf

  • SHA1

    3ee679fd054ccc04cd4dbda56a79fbfdef71d886

  • SHA256

    db39ddbe9f842333abaef983a635f13dd50168a450a225830222c68fd2d39fa8

  • SHA512

    3bf534765fc3cc68c24347a13649147ce44d3d390592551ada0fbef478e545ab3026cf34547ab43a52a9bbbd159583f87c159cefc8834326d000135e4bb78d22

  • SSDEEP

    12288:Ob0hjbjl2pl3SuB9IgBbYN3a+gDyF8g9f3QIAHziiXMawc4C:OYY0uAgBk5a+/F8g9f3QfHDrlF

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-101589722.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-101589722.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\PO-101589722.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1236

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-101589722.exe.log

    Filesize

    1KB

    MD5

    84e77a587d94307c0ac1357eb4d3d46f

    SHA1

    83cc900f9401f43d181207d64c5adba7a85edc1e

    SHA256

    e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

    SHA512

    aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

  • memory/1236-137-0x0000000000000000-mapping.dmp

  • memory/1236-138-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1236-140-0x0000000005B50000-0x0000000005BB6000-memory.dmp

    Filesize

    408KB

  • memory/1236-141-0x00000000065C0000-0x0000000006610000-memory.dmp

    Filesize

    320KB

  • memory/1572-132-0x0000000000810000-0x00000000008A8000-memory.dmp

    Filesize

    608KB

  • memory/1572-133-0x0000000005770000-0x0000000005D14000-memory.dmp

    Filesize

    5.6MB

  • memory/1572-134-0x0000000005260000-0x00000000052F2000-memory.dmp

    Filesize

    584KB

  • memory/1572-135-0x0000000005300000-0x000000000539C000-memory.dmp

    Filesize

    624KB

  • memory/1572-136-0x0000000005240000-0x000000000524A000-memory.dmp

    Filesize

    40KB