Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 09:20

General

  • Target

    RFQ235658.exe

  • Size

    673KB

  • MD5

    92330463b66638fc2f745cba74d1638f

  • SHA1

    d94d75a811885152bf7764529afbe79e6dfcd078

  • SHA256

    cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce

  • SHA512

    e8363d81d23beadb9d4c33db7a046596a41be83b57d4f00c96dcd02c4245271f24e78aa2ec0a3a6ddfd4a1dcc74c1b2873655ebfc7ec10e3c9bb44e4fb66885a

  • SSDEEP

    12288:ACwAJyImgqzkUB/hBnpxRRR7g6xrZUbygh9sUOd:yAJqBLnjCmgJhrOd

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1964-0-0x0000000000970000-0x0000000000A1E000-memory.dmp

    Filesize

    696KB

  • memory/1964-1-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1964-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB

  • memory/1964-3-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

  • memory/1964-4-0x00000000004B0000-0x00000000004B8000-memory.dmp

    Filesize

    32KB

  • memory/1964-5-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/1964-6-0x00000000050C0000-0x000000000513A000-memory.dmp

    Filesize

    488KB

  • memory/1964-22-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2540-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2540-23-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-24-0x0000000004980000-0x00000000049C0000-memory.dmp

    Filesize

    256KB

  • memory/2540-25-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-26-0x0000000004980000-0x00000000049C0000-memory.dmp

    Filesize

    256KB