Analysis

  • max time kernel
    125s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 07:08

General

  • Target

    ccc.exe

  • Size

    800KB

  • MD5

    356dc248b383e7fcb2af3b499522ec55

  • SHA1

    9853c898464b54803e4774ecb6d6e5f8f74c59eb

  • SHA256

    7f5c8c23a60ac9447e6c8b2ed0ee40b1cdde28e95ace22c15dac79ae7ac6da0d

  • SHA512

    8a417ffba7103c979842f5c539b9e942272dd73899bcd8bb5456a328848d1beab19f72761ebbeb404dafbd625b324ee8b94ab81762b8b1466bf46e4ff6ca9d74

  • SSDEEP

    12288:GxdKE6jD/62iNG5nF8fTLGOj30sN8vJ8S976Yc1Cp9gpwu1VWO36NLzXIfmnBGY:GzKtD/61ISTL0sNkCS9D/Y71VUTMm

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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccc.exe
    "C:\Users\Admin\AppData\Local\Temp\ccc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 1776
        3⤵
        • Program crash
        PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1596 -ip 1596
    1⤵
      PID:4388

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1596-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1596-17-0x0000000074720000-0x0000000074ED0000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-14-0x0000000074720000-0x0000000074ED0000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-16-0x00000000054D0000-0x00000000054E0000-memory.dmp

      Filesize

      64KB

    • memory/1596-15-0x0000000005600000-0x0000000005666000-memory.dmp

      Filesize

      408KB

    • memory/1904-8-0x0000000006B80000-0x0000000006B8A000-memory.dmp

      Filesize

      40KB

    • memory/1904-6-0x0000000005640000-0x0000000005658000-memory.dmp

      Filesize

      96KB

    • memory/1904-7-0x0000000005A90000-0x0000000005A98000-memory.dmp

      Filesize

      32KB

    • memory/1904-0-0x0000000000A70000-0x0000000000B3E000-memory.dmp

      Filesize

      824KB

    • memory/1904-9-0x0000000006ED0000-0x0000000006F4A000-memory.dmp

      Filesize

      488KB

    • memory/1904-10-0x0000000006CA0000-0x0000000006D3C000-memory.dmp

      Filesize

      624KB

    • memory/1904-5-0x0000000005490000-0x000000000549A000-memory.dmp

      Filesize

      40KB

    • memory/1904-13-0x0000000074720000-0x0000000074ED0000-memory.dmp

      Filesize

      7.7MB

    • memory/1904-4-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB

    • memory/1904-3-0x00000000053C0000-0x0000000005452000-memory.dmp

      Filesize

      584KB

    • memory/1904-2-0x0000000005AB0000-0x0000000006054000-memory.dmp

      Filesize

      5.6MB

    • memory/1904-1-0x0000000074720000-0x0000000074ED0000-memory.dmp

      Filesize

      7.7MB