Analysis

  • max time kernel
    154s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:06

General

  • Target

    09e4a87a6008ceff27423dbca245888f.exe

  • Size

    300.1MB

  • MD5

    09e4a87a6008ceff27423dbca245888f

  • SHA1

    75421ba696dcadc9374c861946feba1ba61850b1

  • SHA256

    a3651d8b7f6bd588cff17dc6107b5bb9444d64966d32c101444e85adcf10477d

  • SHA512

    b2227c09f05e8d516372685ccfe7fbf29666853a2b55ddbd3be404669eaf6d41e54a5feb86b6542dcac347a05caf8b8ce42c7be4262f7a6202efdef2838e60eb

  • SSDEEP

    192:4YTgagCLAWvAZaMDgz/NCtlLrb8stYcFmVc03KYS:4vaXLAngAgDNGprbptYcFmVc03Kx

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5954474519:AAEGnfW1mRvGRxq-zIAvwJfpKEbhLLiqVaM/

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09e4a87a6008ceff27423dbca245888f.exe
    "C:\Users\Admin\AppData\Local\Temp\09e4a87a6008ceff27423dbca245888f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANwAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:924
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:1540
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1300

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/924-61-0x000000006ECF0000-0x000000006F29B000-memory.dmp
      Filesize

      5.7MB

    • memory/924-59-0x000000006ECF0000-0x000000006F29B000-memory.dmp
      Filesize

      5.7MB

    • memory/924-60-0x000000006ECF0000-0x000000006F29B000-memory.dmp
      Filesize

      5.7MB

    • memory/924-57-0x0000000000000000-mapping.dmp
    • memory/1300-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1300-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1300-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1300-67-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1300-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1300-68-0x0000000000437C0E-mapping.dmp
    • memory/1300-70-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1300-72-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1948-56-0x0000000005B20000-0x0000000005D52000-memory.dmp
      Filesize

      2.2MB

    • memory/1948-55-0x00000000762F1000-0x00000000762F3000-memory.dmp
      Filesize

      8KB

    • memory/1948-54-0x0000000000330000-0x0000000000348000-memory.dmp
      Filesize

      96KB