Analysis

  • max time kernel
    140s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    15-09-2021 07:21

General

  • Target

    DOCUMENTS/shipment.exe

  • Size

    512KB

  • MD5

    6dc1e7e8687a813e5c8fb0ec2c874f1e

  • SHA1

    e87e4d3287c2721d5b6bf2def8bbfba3ac629130

  • SHA256

    c4dd68e2846d2d45a1e04a402a7a70a02a993f7da7eca9febd34a8cb7fd3e91c

  • SHA512

    767f7a76006ddc233e1026f99458a1543f8bc02a7fc4355ccddc54bdd245ebdf5dbd39b8fe131ce19e48c222897e4df8b224e2ce2cb77522d3fbeab4b6422a8a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dm-teh.com
  • Port:
    587
  • Username:
    office@dm-teh.com
  • Password:
    Vm@(O;CO.vEQ

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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe
      "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS\shipment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:612

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/612-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/612-66-0x000000000043765E-mapping.dmp
  • memory/612-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/612-69-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
    Filesize

    4KB

  • memory/612-70-0x0000000004BB1000-0x0000000004BB2000-memory.dmp
    Filesize

    4KB

  • memory/1960-59-0x0000000001370000-0x0000000001371000-memory.dmp
    Filesize

    4KB

  • memory/1960-61-0x0000000004E80000-0x0000000004E81000-memory.dmp
    Filesize

    4KB

  • memory/1960-62-0x00000000004A0000-0x00000000004A7000-memory.dmp
    Filesize

    28KB

  • memory/1960-63-0x0000000007E50000-0x0000000007EC1000-memory.dmp
    Filesize

    452KB

  • memory/1960-64-0x0000000004DE0000-0x0000000004E32000-memory.dmp
    Filesize

    328KB