Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-07-2020 10:01

General

  • Target

    HKSUPO202006.exe

  • Size

    703KB

  • MD5

    4437d2c24315480713548a0e8511c17d

  • SHA1

    b024ce7b6d469bca49bc12c7ed9226696388d3e6

  • SHA256

    0fafd555f84dcb876be1182b40ed4b85e7b57d8c5798243c3ed0b8421aabe9a6

  • SHA512

    69be8167de86836cce9a4745a61cbd509f20e9a5ff9a14f7244890e6a3718c15d82987abce8596bf24ba8349ab626778ca9244f3ab2348f4af51a0f517f317c2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    wandony@intarscan.org
  • Password:
    church12@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HKSUPO202006.exe
    "C:\Users\Admin\AppData\Local\Temp\HKSUPO202006.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\HKSUPO202006.exe
      "C:\Users\Admin\AppData\Local\Temp\HKSUPO202006.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1552

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1552-0-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1552-1-0x00000000004A2850-mapping.dmp
  • memory/1552-2-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1552-3-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/1552-4-0x0000000000350000-0x000000000039C000-memory.dmp
    Filesize

    304KB

  • memory/1552-5-0x00000000020A2000-0x00000000020A3000-memory.dmp
    Filesize

    4KB

  • memory/1552-6-0x0000000000220000-0x0000000000266000-memory.dmp
    Filesize

    280KB