Analysis

  • max time kernel
    66s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 19:36

General

  • Target

    E2003-078-BOQ for fittings.exe

  • Size

    449KB

  • MD5

    bce47c24976cb8e8db5a88902f2e33d7

  • SHA1

    db51364763e820313c4ed9107cb277d213528e7f

  • SHA256

    329b10943314d1e2013f44dcb3ad15ae390bc5d15cec294592c465075e77a5b7

  • SHA512

    e6fc0b0b818abd9a470507ce38b2e564e18fad76f7c47943cca62dd2a6e2d1768d3a8f3f51111a01c4dc01c149398c844214fd08708590df34b532e21a9fc130

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    atn-com.pw
  • Port:
    587
  • Username:
    lndrd6@atn-com.pw
  • Password:
    ox0gGWSA

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\E2003-078-BOQ for fittings.exe
    "C:\Users\Admin\AppData\Local\Temp\E2003-078-BOQ for fittings.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\E2003-078-BOQ for fittings.exe
      "{path}"
      2⤵
        PID:1336
      • C:\Users\Admin\AppData\Local\Temp\E2003-078-BOQ for fittings.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1248

    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/1248-5-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/1248-6-0x000000000044B72E-mapping.dmp
    • memory/1248-7-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/1248-8-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/1248-9-0x0000000074000000-0x00000000746EE000-memory.dmp
      Filesize

      6.9MB

    • memory/1660-0-0x0000000074000000-0x00000000746EE000-memory.dmp
      Filesize

      6.9MB

    • memory/1660-1-0x0000000000A80000-0x0000000000A81000-memory.dmp
      Filesize

      4KB

    • memory/1660-3-0x00000000004E0000-0x00000000004E3000-memory.dmp
      Filesize

      12KB

    • memory/1660-4-0x0000000001F00000-0x0000000001F52000-memory.dmp
      Filesize

      328KB