Analysis

  • max time kernel
    132s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-01-2021 16:10

General

  • Target

    INVOICE IMPORT.exe

  • Size

    540KB

  • MD5

    48486799753fb9eab18832a061e1114d

  • SHA1

    2aeb9ad4598f951f12e1154e1eb2be7271acbbc7

  • SHA256

    451381760beee5124df9d6fe4d2a447dfcb420473800e9004d86159a0396547f

  • SHA512

    c5b56bdb043872fa29bfa70ea2250403d3523adf3c1d4857e6353e1625d5545683a860ead08fdc77dc52afa8439694700b22e00952e239853e0bee514833833c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.indiaflanges.com
  • Port:
    587
  • Username:
    info@indiaflanges.com
  • Password:
    dvdxq;nx{(MV5@m

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE IMPORT.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE IMPORT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\INVOICE IMPORT.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1296

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/1296-8-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-9-0x000000000043760E-mapping.dmp
  • memory/1296-10-0x0000000074670000-0x0000000074D5E000-memory.dmp
    Filesize

    6.9MB

  • memory/1296-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-13-0x0000000004820000-0x0000000004821000-memory.dmp
    Filesize

    4KB

  • memory/1296-14-0x0000000004821000-0x0000000004822000-memory.dmp
    Filesize

    4KB

  • memory/1684-2-0x0000000074670000-0x0000000074D5E000-memory.dmp
    Filesize

    6.9MB

  • memory/1684-3-0x00000000009C0000-0x00000000009C1000-memory.dmp
    Filesize

    4KB

  • memory/1684-5-0x0000000004B50000-0x0000000004B51000-memory.dmp
    Filesize

    4KB

  • memory/1684-6-0x00000000003B0000-0x00000000003BE000-memory.dmp
    Filesize

    56KB

  • memory/1684-7-0x0000000004BF0000-0x0000000004C47000-memory.dmp
    Filesize

    348KB