Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 10:13

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 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 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:2164
    • 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:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2164-1-0x0000000074E00000-0x00000000754EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-0-0x0000000001060000-0x000000000110E000-memory.dmp

    Filesize

    696KB

  • memory/2164-2-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

    Filesize

    256KB

  • memory/2164-3-0x0000000000420000-0x0000000000436000-memory.dmp

    Filesize

    88KB

  • memory/2164-4-0x0000000000480000-0x0000000000488000-memory.dmp

    Filesize

    32KB

  • memory/2164-5-0x00000000004D0000-0x00000000004DA000-memory.dmp

    Filesize

    40KB

  • memory/2164-6-0x00000000052C0000-0x000000000533A000-memory.dmp

    Filesize

    488KB

  • memory/2164-18-0x0000000074E00000-0x00000000754EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3052-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3052-20-0x0000000074E00000-0x00000000754EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-21-0x0000000000C30000-0x0000000000C70000-memory.dmp

    Filesize

    256KB

  • memory/3052-22-0x0000000074E00000-0x00000000754EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-23-0x0000000000C30000-0x0000000000C70000-memory.dmp

    Filesize

    256KB