Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 07:42

General

  • Target

    79852db3ea78ca8c3b3cadef3c3283f4c598314fb10c4cc065077d9f02ce3f4a.exe

  • Size

    614KB

  • MD5

    9324352f26da8d7bcd72f9a1bebaa7e8

  • SHA1

    0752607537b4b2c5a2fbe541c7f7488cd16315a0

  • SHA256

    79852db3ea78ca8c3b3cadef3c3283f4c598314fb10c4cc065077d9f02ce3f4a

  • SHA512

    9dba58005056fb0ca0095b206c20e2304a9d0eb5368f7e10132f0c080b66a670f4ffd85632888c896f1a99d333a0c0aec236f972352255ee11abc940b4ef25fc

  • SSDEEP

    12288:iqfLYYZXTyxFDX4YVtdJHmkiFsAZccoRXztqJZWVujBcbKNWZc:RXTKFDZVtnOFn03i+ujjNQ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79852db3ea78ca8c3b3cadef3c3283f4c598314fb10c4cc065077d9f02ce3f4a.exe
    "C:\Users\Admin\AppData\Local\Temp\79852db3ea78ca8c3b3cadef3c3283f4c598314fb10c4cc065077d9f02ce3f4a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\79852db3ea78ca8c3b3cadef3c3283f4c598314fb10c4cc065077d9f02ce3f4a.exe
      "C:\Users\Admin\AppData\Local\Temp\79852db3ea78ca8c3b3cadef3c3283f4c598314fb10c4cc065077d9f02ce3f4a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/952-1-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/952-0-0x0000000001030000-0x00000000010CE000-memory.dmp

    Filesize

    632KB

  • memory/952-2-0x0000000000450000-0x0000000000490000-memory.dmp

    Filesize

    256KB

  • memory/952-3-0x00000000004A0000-0x00000000004B8000-memory.dmp

    Filesize

    96KB

  • memory/952-4-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/952-5-0x00000000005E0000-0x00000000005EA000-memory.dmp

    Filesize

    40KB

  • memory/952-6-0x0000000000320000-0x000000000039A000-memory.dmp

    Filesize

    488KB

  • memory/952-17-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2164-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-19-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-20-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-21-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

    Filesize

    256KB