Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 17:13

General

  • Target

    Draft BL copy.exe

  • Size

    688KB

  • MD5

    c46f67d07641f91b79606a72b6e09270

  • SHA1

    bbbbec60fe589eb39e31a369eea5d0911167ea2b

  • SHA256

    d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38

  • SHA512

    517f8bfe7101444fa2ff9b9d6a625dde8193aa6d6bf9326288c5f35f697549527d7d9d5f6f7e2161871b223db0a7124c0323c347d41cefe99bad99d0915438b1

  • SSDEEP

    12288:jEAmDvY15gM3Co16QVl0QVXH3CG/ySQvBk0hRfr92bP0fb2RZoIeahAtY7iGUz2:jvb3F4oXCzlvBk0hh4boCXsahPiG

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Draft BL copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Draft BL copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1396
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1368 -s 632
      2⤵
        PID:2616

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1368-0-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp
      Filesize

      4KB

    • memory/1368-1-0x0000000000AE0000-0x0000000000B00000-memory.dmp
      Filesize

      128KB

    • memory/1368-2-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp
      Filesize

      9.9MB

    • memory/1368-3-0x0000000000340000-0x0000000000346000-memory.dmp
      Filesize

      24KB

    • memory/1368-4-0x000000001AB20000-0x000000001ABB4000-memory.dmp
      Filesize

      592KB

    • memory/1368-22-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp
      Filesize

      9.9MB

    • memory/1368-21-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp
      Filesize

      4KB

    • memory/1396-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1396-14-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-9-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-7-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-16-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-18-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-19-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
      Filesize

      4KB

    • memory/1396-20-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB

    • memory/1396-11-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-5-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1396-23-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
      Filesize

      4KB

    • memory/1396-24-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB