Analysis

  • max time kernel
    147s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-01-2021 14:18

General

  • Target

    STATEMENT OF ACCOUNT.exe

  • Size

    971KB

  • MD5

    7475293a6bb025005c25a4a25b1ec047

  • SHA1

    2e25d5665740bc2423c40bdd74087fb36eb06a4e

  • SHA256

    97ff80592fd49d5b0160ef254df45c82ff6a7649bb8178222c8979f348cce8c7

  • SHA512

    76409fda28969f640bbcca4a66ff277b6cbf2198a9b7e9c0b432afdfa26c33f1f86f347fac7094f7deb2cedb875228e8142f1f3cab106be79a593ea7b446f7aa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.insooryaexpresscargo.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SoorYaExp@5812

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
    "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HNLCrGEt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3440.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:580
    • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
      "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
      2⤵
        PID:576
      • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
        "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:900

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\STATEMENT OF ACCOUNT.exe.log
      MD5

      5e7bb97636a484b5a87e60373614279a

      SHA1

      36bfdec32eedb141a4a106d89a453326f62593ee

      SHA256

      12ed6e1df2c57556c59dfd6630fd454a9df76166f340c41ee6bc54d98e709e20

      SHA512

      448c62d538e646045d7315ff902b86f614e2dc1eb0959c22c6618fd2c8767c330d24692357559310e6b55b0c35415a14a6ab2d6d9b8d2a03186949b97190fd56

    • C:\Users\Admin\AppData\Local\Temp\tmp3440.tmp
      MD5

      8c6d091483e113e77b62ed3e8046b827

      SHA1

      0b08e114cf52d6036e72d2e12f3a5bc640d3b64d

      SHA256

      71e2223d2a240c4404b6f4bfd6f350744aaaa4dd3ce66e2adc6a30acf478e6dc

      SHA512

      b43cfeffc2a2f1eee7fdfb7969f383ce51b2992ca3b9c5febc48603a386a375ff9633ef376e640ca0f2b51bdd649f70be81fedf7b0aca2399674e7a62bea610e

    • memory/580-2-0x0000000000000000-mapping.dmp
    • memory/900-4-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/900-5-0x000000000043751E-mapping.dmp