Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 10:05

General

  • Target

    TENDER #2023 12.exe

  • Size

    660KB

  • MD5

    af1312402549634438799c9929c6b6b0

  • SHA1

    8bf9df7090f6d82950bc95222ff5dda97a83d522

  • SHA256

    f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21

  • SHA512

    0d50c8e64022ae5b3e7fcdb014ff23dd01877a5d7073a07869745b4fd3546aaede4bd0e76518e9d9555a7f0a7bccc3084485522ebd8ede1a36d6656f20bccf7a

  • SSDEEP

    12288:qhkZ5lntswim4c4wxLVEXir8gtx+wdUd++Wnf6D+:qK/Vim4ZJO+wdk+W+

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe
    "C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IkEOxXDtbfjlD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IkEOxXDtbfjlD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BB0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2272
    • C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe
      "C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4BB0.tmp

    Filesize

    1KB

    MD5

    f4be16e3811a28d91a246b97e90a0c45

    SHA1

    3fb0e5e9812fe5b71c40ccb432db9acc996b4de6

    SHA256

    044b62761b782c3c4d9858bea9f74f32009a25abb6ac2f219c0166ce19b0ce26

    SHA512

    b82b9c15d3624d50d0263ed763081e1fcc7fb01c9ba3824ee9265d2d6ef7d9cf789fb1b3341a6ad36b50592aef966b7411a1a4ee382a634ec78f1bb7bd36e0d8

  • memory/1804-23-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/1804-1-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/1804-2-0x0000000004930000-0x0000000004970000-memory.dmp

    Filesize

    256KB

  • memory/1804-3-0x0000000000440000-0x000000000045A000-memory.dmp

    Filesize

    104KB

  • memory/1804-4-0x0000000000460000-0x0000000000468000-memory.dmp

    Filesize

    32KB

  • memory/1804-5-0x0000000000690000-0x000000000069A000-memory.dmp

    Filesize

    40KB

  • memory/1804-6-0x0000000005210000-0x000000000528E000-memory.dmp

    Filesize

    504KB

  • memory/1804-0-0x0000000000070000-0x000000000011C000-memory.dmp

    Filesize

    688KB

  • memory/2712-27-0x000000006E3E0000-0x000000006E98B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-26-0x000000006E3E0000-0x000000006E98B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-30-0x000000006E3E0000-0x000000006E98B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-28-0x0000000002770000-0x00000000027B0000-memory.dmp

    Filesize

    256KB

  • memory/2924-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2924-29-0x00000000736C0000-0x0000000073DAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2924-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2924-31-0x0000000004840000-0x0000000004880000-memory.dmp

    Filesize

    256KB

  • memory/2924-32-0x00000000736C0000-0x0000000073DAE000-memory.dmp

    Filesize

    6.9MB