Analysis

  • max time kernel
    177s
  • max time network
    221s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • 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:2008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:4396
      • 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:2000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2000-145-0x0000000000000000-mapping.dmp

    • memory/2000-149-0x0000000006380000-0x000000000638A000-memory.dmp

      Filesize

      40KB

    • memory/2000-148-0x00000000061C0000-0x0000000006210000-memory.dmp

      Filesize

      320KB

    • memory/2000-147-0x00000000050C0000-0x000000000515C000-memory.dmp

      Filesize

      624KB

    • memory/2000-146-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2008-140-0x0000000006050000-0x00000000060B6000-memory.dmp

      Filesize

      408KB

    • memory/2008-138-0x0000000005810000-0x0000000005E38000-memory.dmp

      Filesize

      6.2MB

    • memory/2008-139-0x0000000005FE0000-0x0000000006046000-memory.dmp

      Filesize

      408KB

    • memory/2008-141-0x00000000066C0000-0x00000000066DE000-memory.dmp

      Filesize

      120KB

    • memory/2008-142-0x0000000008010000-0x000000000868A000-memory.dmp

      Filesize

      6.5MB

    • memory/2008-143-0x0000000006B90000-0x0000000006BAA000-memory.dmp

      Filesize

      104KB

    • memory/2008-137-0x0000000002DE0000-0x0000000002E16000-memory.dmp

      Filesize

      216KB

    • memory/2008-136-0x0000000000000000-mapping.dmp

    • memory/4396-144-0x0000000000000000-mapping.dmp

    • memory/4808-132-0x0000000000650000-0x0000000000668000-memory.dmp

      Filesize

      96KB

    • memory/4808-135-0x0000000006120000-0x0000000006142000-memory.dmp

      Filesize

      136KB

    • memory/4808-134-0x0000000006170000-0x0000000006202000-memory.dmp

      Filesize

      584KB

    • memory/4808-133-0x0000000005380000-0x0000000005924000-memory.dmp

      Filesize

      5.6MB