Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 07:00

General

  • Target

    RFQ_SP_301123_PDF.exe

  • Size

    814KB

  • MD5

    2b30f0ccd92928eb9bf8e18a3e7146df

  • SHA1

    5ff864bfe73d8d8ce236763de7b4ba77a967570b

  • SHA256

    48363aae8da413d26123fd250d665bd9bbb2123a233725d15aab0e9b9424d560

  • SHA512

    d98db889a57d9422ca846726728c33ad49539f79e1c0e45774d8eea84c616b5769ec1d236ca5a3e174a2f5dde40ee6c24d568c4c5d011f4fb17375387c6c5782

  • SSDEEP

    12288:vW0tW8G34/uK45+po2YnBlBfdA9sCOGMGb6ikxAfzIwJ+FupSh5qA1AT2z3/:s34/up+pJ8lBwsCOGF6i7JdpSzqcz

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1179499222463168573/PVUpZ1J1JtDuKSWVcXWilMvIlKb2Qchu7QhEEb_1sKVtTXLAEfM5aRMADIF1EWL0ZjkF

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ_SP_301123_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_SP_301123_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\RFQ_SP_301123_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ_SP_301123_PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1664-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1664-0-0x00000000000E0000-0x00000000001B2000-memory.dmp

    Filesize

    840KB

  • memory/1664-2-0x0000000004E70000-0x0000000004EB0000-memory.dmp

    Filesize

    256KB

  • memory/1664-3-0x0000000000520000-0x0000000000538000-memory.dmp

    Filesize

    96KB

  • memory/1664-4-0x0000000000580000-0x0000000000588000-memory.dmp

    Filesize

    32KB

  • memory/1664-5-0x0000000000590000-0x000000000059A000-memory.dmp

    Filesize

    40KB

  • memory/1664-6-0x0000000004D70000-0x0000000004DEC000-memory.dmp

    Filesize

    496KB

  • memory/1664-18-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1800-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1800-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-19-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1800-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1800-20-0x0000000004750000-0x0000000004790000-memory.dmp

    Filesize

    256KB

  • memory/1800-21-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB