Analysis

  • max time kernel
    138s
  • max time network
    102s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 18:18

General

  • Target

    New order.exe

  • Size

    1.4MB

  • MD5

    c5fa1332e42feaebcbcde1d3ce65b51f

  • SHA1

    497ed6891668ce32aa36341ba8487b7e633e94ee

  • SHA256

    828e23d2a1e4de67827b62b8c1fad396ebb7a1005b3137e686552e631957a70f

  • SHA512

    7cf2454d4107eb5ed3271ca136bc5c0a57c793d9ea764daf602494ab6526c7595d32117e9096669ea739a473c3e2de0beed0342c691ee708130fb922db4a8fb1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.conceptair.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    #147info963#

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New order.exe
    "C:\Users\Admin\AppData\Local\Temp\New order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AiczYpIdFXwZDr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp201B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:572
    • C:\Users\Admin\AppData\Local\Temp\New order.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp201B.tmp

    MD5

    29516a19ff999b9c43dcebdd5c8b8255

    SHA1

    202c3c495e247f8f9ef4bc8f54fcf566afd5ee9b

    SHA256

    cec42414a78ff9a54bdd9279fe949fdc3b734cf7fe814f1aebbfcb0e0ac477e6

    SHA512

    5d051cec0e58b7d543344a88a5c150e002441909707cb67f5073cb9c5ea45f8e4d56b1e356d8a32616cc96f5af0245b0adfe564e06add8a950ea6825af21accb

  • memory/380-27-0x00000000055D1000-0x00000000055D2000-memory.dmp

    Filesize

    4KB

  • memory/380-24-0x0000000006070000-0x0000000006071000-memory.dmp

    Filesize

    4KB

  • memory/380-23-0x00000000058E0000-0x00000000058E1000-memory.dmp

    Filesize

    4KB

  • memory/380-22-0x00000000055D0000-0x00000000055D1000-memory.dmp

    Filesize

    4KB

  • memory/380-17-0x0000000073150000-0x000000007383E000-memory.dmp

    Filesize

    6.9MB

  • memory/380-16-0x00000000004375AE-mapping.dmp

  • memory/380-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/572-13-0x0000000000000000-mapping.dmp

  • memory/4760-7-0x000000000B100000-0x000000000B101000-memory.dmp

    Filesize

    4KB

  • memory/4760-12-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

    Filesize

    4KB

  • memory/4760-11-0x0000000005BC0000-0x0000000005C24000-memory.dmp

    Filesize

    400KB

  • memory/4760-10-0x0000000005960000-0x0000000005961000-memory.dmp

    Filesize

    4KB

  • memory/4760-9-0x000000000BB90000-0x000000000BB9E000-memory.dmp

    Filesize

    56KB

  • memory/4760-8-0x0000000005950000-0x0000000005951000-memory.dmp

    Filesize

    4KB

  • memory/4760-2-0x0000000073150000-0x000000007383E000-memory.dmp

    Filesize

    6.9MB

  • memory/4760-6-0x000000000B500000-0x000000000B501000-memory.dmp

    Filesize

    4KB

  • memory/4760-5-0x00000000033A0000-0x0000000003416000-memory.dmp

    Filesize

    472KB

  • memory/4760-3-0x0000000000F10000-0x0000000000F11000-memory.dmp

    Filesize

    4KB