Analysis

  • max time kernel
    101s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    12-07-2020 16:29

General

  • Target

    New Order DOC-06072020.exe

  • Size

    515KB

  • MD5

    e0e8e06cc4b806b19daa757553d37258

  • SHA1

    e13ce8bb184a7e105149caab98edaabf1b04986c

  • SHA256

    af7800a01f2cb68f3abb7546c509d3aa1ff83107b95e4e244168cac1c0a66e75

  • SHA512

    e63d50f2f054dd258c94f0c139962c894cb2451b3ec982cab41067245329b590351b1351ac4f03cc8373517e6b45b9bd9477d5ea353692d9675d6295a48f5432

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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
  • 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.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order DOC-06072020.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order DOC-06072020.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:240
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WRbncITNk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp859.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1900
    • C:\Users\Admin\AppData\Local\Temp\New Order DOC-06072020.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:1932

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp859.tmp
  • memory/1900-0-0x0000000000000000-mapping.dmp
  • memory/1932-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1932-3-0x000000000044701E-mapping.dmp
  • memory/1932-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1932-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB