Analysis

  • max time kernel
    59s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2022, 12:06

General

  • Target

    AD1_2001.exe

  • Size

    1.0MB

  • MD5

    ac7f029951ac84e38d02e327194705e5

  • SHA1

    23995f4df5df874bbd2654c4da93fd3900e0b8e8

  • SHA256

    a3bcc08646927b7b932f88968c139beb556fb0298fb1b5d94189fd8246a3fde2

  • SHA512

    84667b113b97e15a4e4ec8301a46733e3d48bb90509816f44f23a2f2ecf98120111b4f5ff09430b01b6609e287855c8a03ed744fffe603323af382f8b6febe09

  • SSDEEP

    12288:hCYJ8/NtrqMPMZ8L/cCp4UthoZNuZqnQ8cmFMl6zVlLMuw0l8s3GLMYVFxzhkYuB:l6vWacvKigqnVfT7l8TTxhuCX

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rimiapparelsltd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ijeomam28@

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AD1_2001.exe
    "C:\Users\Admin\AppData\Local\Temp\AD1_2001.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CJKvOUWBSRnbgl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CJKvOUWBSRnbgl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99F0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2032
    • C:\Users\Admin\AppData\Local\Temp\AD1_2001.exe
      "C:\Users\Admin\AppData\Local\Temp\AD1_2001.exe"
      2⤵
        PID:1052
      • C:\Users\Admin\AppData\Local\Temp\AD1_2001.exe
        "C:\Users\Admin\AppData\Local\Temp\AD1_2001.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1324

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp99F0.tmp

      Filesize

      1KB

      MD5

      20792cdf263dac3ee9432046a0eb4ab1

      SHA1

      293feccfc6049d960912339662696b4047b98366

      SHA256

      0f4aa842dce6ad1009193dc2567e70faf5f33a2193ce1389da8d8f14d1f26b9b

      SHA512

      c76e5125948d3fd90eb8bad92bb6fe2653df2acb7fcfaf919d0f3636709f628307db80dfe8a3cf702689b5d72ba18397f7f68bac0d972043a18aeb996c3fa637

    • memory/864-63-0x00000000059F0000-0x0000000005A62000-memory.dmp

      Filesize

      456KB

    • memory/864-55-0x0000000076321000-0x0000000076323000-memory.dmp

      Filesize

      8KB

    • memory/864-57-0x0000000000540000-0x000000000054C000-memory.dmp

      Filesize

      48KB

    • memory/864-58-0x00000000056A0000-0x0000000005768000-memory.dmp

      Filesize

      800KB

    • memory/864-56-0x0000000000530000-0x0000000000546000-memory.dmp

      Filesize

      88KB

    • memory/864-54-0x0000000000090000-0x000000000019C000-memory.dmp

      Filesize

      1.0MB

    • memory/1324-67-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1324-65-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1324-68-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1324-69-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1324-64-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1324-72-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1324-74-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/2036-76-0x000000006E6D0000-0x000000006EC7B000-memory.dmp

      Filesize

      5.7MB

    • memory/2036-77-0x000000006E6D0000-0x000000006EC7B000-memory.dmp

      Filesize

      5.7MB