Analysis

  • max time kernel
    126s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2022 03:58

General

  • Target

    SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe

  • Size

    859KB

  • MD5

    07cec4d7aad3d9218151220b7f7b2692

  • SHA1

    85c8ddd77a406585e3ce689b6238278010de5c5a

  • SHA256

    c4e0f261ed74707096e0cc0cb5dc3462bd29820aa2146b14f278ca62f8acf521

  • SHA512

    d679d39d342acb6a18f09ecccac05e7932b7dfe2f4a630abb8e05018c987e9c081abc8298b839549d2a454b82abb7be758e43b3e38ea20b38ce36cedd8229fed

  • SSDEEP

    12288:4fO1aTP8I4cwi0lA3VEIU/iV8YSUZb8VQjG7I1Fy9+v9nMBlI:4fE4ppP0UEIqozbvkI1Fc+vWI

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LsXwYwRGeJH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1192
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LsXwYwRGeJH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp272.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:812
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.DLB.tr.8437.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp272.tmp

    Filesize

    1KB

    MD5

    16e19af4c849840357abbb591de9c222

    SHA1

    ffdff66baa6c9f7ce4c7c19056a7d9b5108d183f

    SHA256

    164656a0c8c929170f725a2f86ba5c793e23d37de74929abb3d85ed3779f2982

    SHA512

    b5c66420066dae12feedcf634311f7afd08c1d6d3bc63041a7c0e5139238046642964ffda3dd9c2db9b1c911da5d406379d4e89395bb8e5ef387cc712bed8a9e

  • memory/812-60-0x0000000000000000-mapping.dmp

  • memory/1192-59-0x0000000000000000-mapping.dmp

  • memory/1192-76-0x000000006E2A0000-0x000000006E84B000-memory.dmp

    Filesize

    5.7MB

  • memory/1676-63-0x0000000004F40000-0x0000000004F7A000-memory.dmp

    Filesize

    232KB

  • memory/1676-58-0x0000000004E80000-0x0000000004F14000-memory.dmp

    Filesize

    592KB

  • memory/1676-57-0x0000000000590000-0x000000000059C000-memory.dmp

    Filesize

    48KB

  • memory/1676-56-0x0000000000580000-0x0000000000596000-memory.dmp

    Filesize

    88KB

  • memory/1676-54-0x0000000000B00000-0x0000000000BDE000-memory.dmp

    Filesize

    888KB

  • memory/1676-55-0x0000000074C91000-0x0000000074C93000-memory.dmp

    Filesize

    8KB

  • memory/1768-67-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1768-65-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1768-68-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1768-69-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1768-70-0x0000000000435BEE-mapping.dmp

  • memory/1768-72-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1768-74-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1768-64-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB