Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:15

General

  • Target

    Scan-Copy.exe

  • Size

    529KB

  • MD5

    e69da1196ecfd94f4fe6a86a23aae8c0

  • SHA1

    f15ecfdc801b7b957dc9697ca7643e7ebf05383f

  • SHA256

    320d8e5b7e793a621dd6abf947dc9f04051e25473e1b9fe7da90cf161bf24112

  • SHA512

    e796b9ff2536fe68b828a2ff14c5d8712efc99421e8db5c065e99d1cd3e9a46df8429d78c16b535bafda9c1df72505951ecce7721480647f795db1e8abdc576d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    chuk5anderson@yandex.ru
  • Password:
    chukwudi123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan-Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan-Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Users\Admin\AppData\Local\Temp\Scan-Copy.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:944

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/388-54-0x0000000076C81000-0x0000000076C83000-memory.dmp
    Filesize

    8KB

  • memory/388-55-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/388-64-0x00000000009F9000-0x0000000000A0A000-memory.dmp
    Filesize

    68KB

  • memory/944-56-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-57-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-59-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-60-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-61-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-62-0x0000000000449E3E-mapping.dmp
  • memory/944-67-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-65-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/944-69-0x0000000074F00000-0x00000000754AB000-memory.dmp
    Filesize

    5.7MB