Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 01:54

General

  • Target

    Air Waybill.exe

  • Size

    736KB

  • MD5

    c963fe8d18e6ab58040cf1b2bd1659ed

  • SHA1

    62e12982577128fe9289e9de119c48c50edef3a8

  • SHA256

    5e9bfae6d83520e80f40949b7023b9a16df678f1f3e0d7ac8f05b2226438d8d1

  • SHA512

    5b2f01a92393d51cdc8d09933199bfba548fcbcb197fabcf03eaacc6776b3dc1f2eac0ca5a7fcbc75d0eb3fb5004f60c0f02605bd59e638bbf344b38cf1e646a

  • SSDEEP

    12288:QHqc3+GCueH5qk3NYIY/gxwnp0QLWGoaJ47XPl02Pc2CTfYkwEiUk+YYF:QH/uG2q6NdDxwnp08ztuAFrYjEiN+Ye

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.

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

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

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Air Waybill.exe
    "C:\Users\Admin\AppData\Local\Temp\Air Waybill.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xthufWrlzwwHat.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:344
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xthufWrlzwwHat" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9270.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2052
    • C:\Users\Admin\AppData\Local\Temp\Air Waybill.exe
      "C:\Users\Admin\AppData\Local\Temp\Air Waybill.exe"
      2⤵
        PID:2704
      • C:\Users\Admin\AppData\Local\Temp\Air Waybill.exe
        "C:\Users\Admin\AppData\Local\Temp\Air Waybill.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9270.tmp

      Filesize

      1KB

      MD5

      74efb1892a8017b21bf016839cbc7941

      SHA1

      efe86b4bdfa364d1fce9b7760ec6f20aeef6caab

      SHA256

      a03ca1ae9f0294754f7dc8fe9cc86cb6447479928d139e2d14288971a106c160

      SHA512

      c5fff894c08c1baf76be77d3d2a11752b9b3ccfb1bbceb92490c22ade89e6934a87a78c2667ecf596ca7695fc5283184bf0b67e3ace6ad405fc728dde25170c2

    • memory/344-33-0x000000006F250000-0x000000006F7FB000-memory.dmp

      Filesize

      5.7MB

    • memory/344-32-0x0000000002350000-0x0000000002390000-memory.dmp

      Filesize

      256KB

    • memory/344-31-0x0000000002350000-0x0000000002390000-memory.dmp

      Filesize

      256KB

    • memory/344-29-0x000000006F250000-0x000000006F7FB000-memory.dmp

      Filesize

      5.7MB

    • memory/344-28-0x000000006F250000-0x000000006F7FB000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-6-0x0000000005020000-0x000000000509A000-memory.dmp

      Filesize

      488KB

    • memory/2040-27-0x0000000074D40000-0x000000007542E000-memory.dmp

      Filesize

      6.9MB

    • memory/2040-1-0x0000000074D40000-0x000000007542E000-memory.dmp

      Filesize

      6.9MB

    • memory/2040-2-0x0000000004FE0000-0x0000000005020000-memory.dmp

      Filesize

      256KB

    • memory/2040-3-0x0000000000790000-0x00000000007AA000-memory.dmp

      Filesize

      104KB

    • memory/2040-0-0x0000000001090000-0x000000000114E000-memory.dmp

      Filesize

      760KB

    • memory/2040-4-0x0000000000770000-0x0000000000778000-memory.dmp

      Filesize

      32KB

    • memory/2040-5-0x00000000007B0000-0x00000000007BA000-memory.dmp

      Filesize

      40KB

    • memory/2684-16-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-24-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-26-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2684-30-0x0000000074D40000-0x000000007542E000-memory.dmp

      Filesize

      6.9MB

    • memory/2684-13-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2684-34-0x0000000004C70000-0x0000000004CB0000-memory.dmp

      Filesize

      256KB

    • memory/2684-35-0x0000000074D40000-0x000000007542E000-memory.dmp

      Filesize

      6.9MB