Analysis

  • max time kernel
    136s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 23:21

General

  • Target

    Bank Advice.exe

  • Size

    697KB

  • MD5

    b36023c6fc81834d7a26a5555fea99eb

  • SHA1

    ac45970e50f0fa6166b5143b2cf702c675ffe126

  • SHA256

    d9bccae6058712dd2fa551e38b5b0e6bb72d59d50eeeefbedc8e9fab6a873bc0

  • SHA512

    722f510e75a53dc84b400239d924a5fc38c72a8c7d39225f25cc73ab82384662f82237242845c718c0a6145eb16d9d966203afb3cb90d4c1e19ad6c82a5facca

  • SSDEEP

    12288:T5F6HkkoF29QIfX5hRLVH2jjo7ylecoUdxbaOLTTwNvfplHGiDR8:T+5FvrT77yBxbaOLTcNv/GiD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.policymartinsurance.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Kwal4952@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\Bank Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Advice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1072
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1072-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1072-21-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-20-0x0000000006D10000-0x0000000006D60000-memory.dmp

      Filesize

      320KB

    • memory/1072-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-17-0x0000000005430000-0x0000000005496000-memory.dmp

      Filesize

      408KB

    • memory/1072-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1072-14-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1504-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1504-6-0x0000000005220000-0x000000000522A000-memory.dmp

      Filesize

      40KB

    • memory/1504-9-0x0000000006AA0000-0x0000000006AB0000-memory.dmp

      Filesize

      64KB

    • memory/1504-10-0x0000000006AB0000-0x0000000006AC6000-memory.dmp

      Filesize

      88KB

    • memory/1504-11-0x0000000006DF0000-0x0000000006E72000-memory.dmp

      Filesize

      520KB

    • memory/1504-12-0x00000000094F0000-0x000000000958C000-memory.dmp

      Filesize

      624KB

    • memory/1504-7-0x0000000006A60000-0x0000000006A80000-memory.dmp

      Filesize

      128KB

    • memory/1504-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1504-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

      Filesize

      4KB

    • memory/1504-4-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

      Filesize

      4KB

    • memory/1504-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1504-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

      Filesize

      584KB

    • memory/1504-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

      Filesize

      5.6MB

    • memory/1504-1-0x0000000000540000-0x00000000005F4000-memory.dmp

      Filesize

      720KB