Analysis

  • max time kernel
    123s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    19-10-2021 03:04

General

  • Target

    Revised Order.exe

  • Size

    700KB

  • MD5

    e9901eec1af843e9546a659866270f6e

  • SHA1

    57b6cccf4084b0a4aff6d236eb6a30df4fe8029f

  • SHA256

    20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b

  • SHA512

    b98b4937c9c94ebbe91f14e758a7b43d7999047c30840ca802ae60ec18fad4479c9bc21a1a375280119969ebc229065a85f17052804aff96b1246dbacd21959e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aldhiyafainteriors.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dhiyafa@987

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Revised Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Revised Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ucluvjDNoCBwJD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A9E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1456
    • C:\Users\Admin\AppData\Local\Temp\Revised Order.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5A9E.tmp

    MD5

    52ff28d022c90fbac33c6acd0f0640ba

    SHA1

    dc57f99e8ccfa6b32975c530979815c6858693e7

    SHA256

    555dbab68b6a08b44af09bf1def4a64d26517fa0b51235779b05de36f2a03de4

    SHA512

    950622d61c9a827478827c27c251356b12c023a38d7cc41d43e0245ca86b47af0df9479141d8910c704b8582949e51947042ed2895cfdab1429d598e6d081b9d

  • memory/968-53-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/968-55-0x0000000076B61000-0x0000000076B63000-memory.dmp

    Filesize

    8KB

  • memory/968-56-0x0000000004E70000-0x0000000004E71000-memory.dmp

    Filesize

    4KB

  • memory/968-57-0x00000000002E0000-0x00000000002EE000-memory.dmp

    Filesize

    56KB

  • memory/968-58-0x0000000004EB0000-0x0000000004F25000-memory.dmp

    Filesize

    468KB

  • memory/968-59-0x0000000002100000-0x0000000002138000-memory.dmp

    Filesize

    224KB

  • memory/1456-60-0x0000000000000000-mapping.dmp

  • memory/1752-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1752-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1752-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1752-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1752-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1752-67-0x00000000004376CE-mapping.dmp

  • memory/1752-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1752-70-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

    Filesize

    4KB

  • memory/1752-71-0x0000000004BB1000-0x0000000004BB2000-memory.dmp

    Filesize

    4KB