Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 00:30

General

  • Target

    PO82107048.exe

  • Size

    1016KB

  • MD5

    7bf76bfeb13cf8591ceb55831aaac798

  • SHA1

    4c8d769159e5a3c97bc9624fee39eb88ba6cc6e3

  • SHA256

    ddd79a72fd23b7e09cea44428077aec20922523a6ae2ec4b06eddbbc5d9e8698

  • SHA512

    c846876b9e3250fa4e35bc52ac45dc102e9bc50f946b21f508456af68543de150c3767ac41490f287a8c6c3a9f17c8504ceb27c2f80cf40cd152abda723bd07d

  • SSDEEP

    24576:RAHnh+eWsN3skA4RV1Hom2KXMmHaTxQQ4VkYYMa5:oh+ZkldoPK8YaT6jVkdp

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Signatures

  • AgentTesla

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

  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO82107048.exe
    "C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2612-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2612-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2612-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2612-16-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

    Filesize

    4KB

  • memory/2612-17-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-18-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

    Filesize

    4KB

  • memory/2612-19-0x0000000073CE0000-0x00000000743CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-10-0x00000000001A0000-0x00000000001A4000-memory.dmp

    Filesize

    16KB