Analysis

  • max time kernel
    135s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    30-06-2020 12:16

General

  • Target

    AWB RECEIPT.exe

  • Size

    414KB

  • MD5

    e6376ce6fe0b01359cb87e8685243a85

  • SHA1

    11c69fbfe899c0b0117f8461f755047cc9cc8686

  • SHA256

    b06e7c2b4c5fb87404178047bc54c303463808ac0b5586d31dd2537d35e61ecf

  • SHA512

    c11e5073d83da48b186cdc49fb49ec0a5d413dd4720847cd6855dedb651345392aad893e2d8ca3c7e31731107de6b8322cbccff69f9c628aa269ac04285859f4

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • AgentTesla

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB RECEIPT.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB RECEIPT.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:1428
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wDxsIGgSvmElt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58E8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1764
    • C:\Users\Admin\AppData\Local\Temp\AWB RECEIPT.exe
      "{path}"
      2⤵
        PID:524
      • C:\Users\Admin\AppData\Local\Temp\AWB RECEIPT.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        PID:660

    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

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp58E8.tmp
    • memory/660-2-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/660-3-0x00000000004471FE-mapping.dmp
    • memory/660-4-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/660-5-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1764-0-0x0000000000000000-mapping.dmp