Analysis

  • max time kernel
    143s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    20/04/2021, 12:10

General

  • Target
    4cbd50e71f77d7b9068a6d1ab77974f6.exe
  • Size 912KB
  • Sample210420-csj3pt65le
  • SHA256 7520c3d86fbc4b2313e8f2c0118a67e2102db4263b56ea7500dbd045d70c3914
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot1620445910:AAF2v81NoINJsu_XXnpGet1YDm-NxnznaIE/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cbd50e71f77d7b9068a6d1ab77974f6.exe
    "C:\Users\Admin\AppData\Local\Temp\4cbd50e71f77d7b9068a6d1ab77974f6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\4cbd50e71f77d7b9068a6d1ab77974f6.exe
      "C:\Users\Admin\AppData\Local\Temp\4cbd50e71f77d7b9068a6d1ab77974f6.exe"
      2⤵
        PID:1120
      • C:\Users\Admin\AppData\Local\Temp\4cbd50e71f77d7b9068a6d1ab77974f6.exe
        "C:\Users\Admin\AppData\Local\Temp\4cbd50e71f77d7b9068a6d1ab77974f6.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:304

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/304-67-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/304-69-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/304-71-0x0000000000760000-0x0000000000761000-memory.dmp

          memory/1688-60-0x0000000000260000-0x0000000000261000-memory.dmp

          memory/1688-62-0x0000000001FF0000-0x0000000001FF9000-memory.dmp

          memory/1688-63-0x0000000004D60000-0x0000000004D61000-memory.dmp

          memory/1688-64-0x000000007EF40000-0x000000007EF41000-memory.dmp

          memory/1688-65-0x0000000005210000-0x0000000005295000-memory.dmp

          memory/1688-66-0x0000000002170000-0x00000000021BA000-memory.dmp