Analysis

  • max time kernel
    108s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 13:55

General

  • Target

    REVISED NEW ORDER.exe

  • Size

    589KB

  • MD5

    9b37d3dd9ff4036b3132873292a2e672

  • SHA1

    79b74ebaa8da63b409eaf6d5b6e13076b25734a3

  • SHA256

    ac817954a4511d2a0ffca7832b48d137db1b299d7ff055709eda1d12460e81c0

  • SHA512

    3d973e02189d47458355faa6018381140383219cf1783e90c6a54aa1f3d5191b1ef69d09b1d86a0c79d519575d50f0569a285bfd0c31547fd77058779d62a307

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    nednwokoro@jakartta.xyz
  • Password:
    nwaotu65

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REVISED NEW ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\REVISED NEW ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fGHYflhqCW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp168C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2024
    • C:\Users\Admin\AppData\Local\Temp\REVISED NEW ORDER.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1792

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\tmp168C.tmp
    MD5

    b1ec8286f4cee06df78473bad13cd557

    SHA1

    299a724d101813ace95d76ab440371ceba2eaa89

    SHA256

    390a34a5b3739eb3122fda646ecccdc17ebe2e1605fa36f59301894c998d48a8

    SHA512

    d6aa4355ddc8c20731472537ba969510f1446d9c1ecb0bcd730d24d4582277efd403c4effe7981562f8b3e0e6c05a21544143f525e9e96f965470caca2242866

  • memory/1792-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1792-3-0x0000000000446E3E-mapping.dmp
  • memory/1792-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1792-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2024-0-0x0000000000000000-mapping.dmp