Analysis

  • max time kernel
    138s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22-10-2021 14:14

General

  • Target

    7.exe

  • Size

    742KB

  • MD5

    410c4edd367e20bd5e6b1ca597ed3ce3

  • SHA1

    5eedafb2424eb9966bc68c895904973e288b2534

  • SHA256

    ea9ce0413066f2fd1d2bdfc77e652171cf9bfaf40c39f19cee47e3a1c3f34ed9

  • SHA512

    e725ed36f0e5daa1a997282489a78f0f3627e84734a98338c7379d6636f50c4cf49844dbdfc22b8538dd8e7f38d28f71e16cbbdb51d54fe0479dbc54053b115c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bhgautopartes.com
  • Port:
    587
  • Username:
    vedowhore@bhgautopartes.com
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7.exe
    "C:\Users\Admin\AppData\Local\Temp\7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\7.exe
      "C:\Users\Admin\AppData\Local\Temp\7.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:328

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/328-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/328-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/328-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/328-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/328-65-0x0000000000436DAE-mapping.dmp
  • memory/328-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/328-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/328-68-0x0000000000D80000-0x0000000000D81000-memory.dmp
    Filesize

    4KB

  • memory/1668-55-0x0000000000E70000-0x0000000000E71000-memory.dmp
    Filesize

    4KB

  • memory/1668-57-0x0000000000C60000-0x0000000000C61000-memory.dmp
    Filesize

    4KB

  • memory/1668-58-0x00000000008E0000-0x00000000008E7000-memory.dmp
    Filesize

    28KB

  • memory/1668-59-0x0000000000E10000-0x0000000000E67000-memory.dmp
    Filesize

    348KB