Analysis

  • max time kernel
    101s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    20-04-2021 14:18

General

  • Target

    IMG_630_375_10.exe

  • Size

    258KB

  • MD5

    1ceae4d45ed09a9ed4d5c392a7654fa9

  • SHA1

    ee4c9033fbb20d87723cb35333b5009086e9645c

  • SHA256

    9406ad52a87d220e0eae7b7a65a1870a72df536649d9600aca18ddce2263001f

  • SHA512

    79a71995f8b18386e584a1ac58b8ac180f7215b6f6af8adb3a2c893508fcdf5847309b18dae87e28dded6af45e38911c09d7a060b0203ba56d427ef313d36ae9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    x103860*&1333

Signatures

  • AgentTesla

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
      C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
      2⤵
        PID:292
      • C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
        C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/992-64-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/992-65-0x000000000043763E-mapping.dmp

    • memory/992-66-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/992-68-0x0000000004C40000-0x0000000004C41000-memory.dmp

      Filesize

      4KB

    • memory/1084-59-0x0000000000250000-0x0000000000251000-memory.dmp

      Filesize

      4KB

    • memory/1084-61-0x0000000000220000-0x0000000000222000-memory.dmp

      Filesize

      8KB

    • memory/1084-62-0x00000000021F0000-0x00000000021F1000-memory.dmp

      Filesize

      4KB

    • memory/1084-63-0x0000000004440000-0x000000000447D000-memory.dmp

      Filesize

      244KB