Analysis

  • max time kernel
    149s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-11-2020 07:11

General

  • Target

    SHIPPING DOCUMENT & PACKING LIST.exe

  • Size

    500KB

  • MD5

    8606b486e3efb971e0c629ea8260368c

  • SHA1

    1030a41cf3debb6f82464b9b95d33da0d5199c9f

  • SHA256

    6abf5552765851e4db6d8346af1473568c7d1497fd848648e32bd1c5c8d8cb2f

  • SHA512

    7e98d88ae39fedeb405deaa33c8ea98bdfb0f8ac2a9a495a17618f17b70851899a2c77428d1100c4e3ef919b51f7619e2a2f0b3fb20546409306a97f33e1a55c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lockitsolutions.co.ke
  • Port:
    587
  • Username:
    ikenna@lockitsolutions.co.ke
  • Password:
    ouh$PPGm#v3K

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PACKING LIST.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PACKING LIST.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YVepwAeGKd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4089.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:108
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PACKING LIST.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4089.tmp
    MD5

    cadbb1b16018022b90176888c4dd4108

    SHA1

    b802d403022e4afb8852b836935b0d09eb4cc3ec

    SHA256

    b91b36827d577be505091afa5d66afd851485ded9946ee674c179732b640576a

    SHA512

    e729521635ab4ada48306309057e1ca66e9ecc82470ef80e82e37ec6b4450bed968a915c4747901594dfdd43aa613724816ee439c51a5a0f49d04552ca8c5ba2

  • memory/108-5-0x0000000000000000-mapping.dmp
  • memory/1584-0-0x0000000074590000-0x0000000074C7E000-memory.dmp
    Filesize

    6.9MB

  • memory/1584-1-0x0000000000E30000-0x0000000000E31000-memory.dmp
    Filesize

    4KB

  • memory/1584-3-0x00000000003E0000-0x00000000003F4000-memory.dmp
    Filesize

    80KB

  • memory/1584-4-0x00000000051C0000-0x0000000005221000-memory.dmp
    Filesize

    388KB

  • memory/1728-7-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1728-8-0x000000000043774E-mapping.dmp
  • memory/1728-9-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1728-10-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1728-11-0x0000000074590000-0x0000000074C7E000-memory.dmp
    Filesize

    6.9MB