Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 02:27

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:2384
    • 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:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2096-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-19-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-20-0x00000000049F0000-0x0000000004A30000-memory.dmp

    Filesize

    256KB

  • memory/2096-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2096-21-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2384-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

    Filesize

    256KB

  • memory/2384-0-0x0000000000180000-0x000000000022E000-memory.dmp

    Filesize

    696KB

  • memory/2384-1-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-18-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-6-0x0000000005380000-0x00000000053FA000-memory.dmp

    Filesize

    488KB

  • memory/2384-5-0x0000000000330000-0x000000000033A000-memory.dmp

    Filesize

    40KB

  • memory/2384-4-0x0000000000320000-0x0000000000328000-memory.dmp

    Filesize

    32KB

  • memory/2384-3-0x0000000000300000-0x0000000000316000-memory.dmp

    Filesize

    88KB