Analysis

  • max time kernel
    143s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    26-10-2021 13:03

General

  • Target

    PRQ-12211222.exe

  • Size

    377KB

  • MD5

    40746965ba5f2ee9b0095f20725c5d92

  • SHA1

    c62e4699be46425de7f1eaa3d58d9f8905c3f1b8

  • SHA256

    eb79e35ccebd02f6d8f990f16ba68fe3597aa0957fcd7321a11d23034c647cd9

  • SHA512

    d7fb7c4f96fe9e343ce2585a255325d2b24eb2ae9c42235be69cc20cb99653f44f0abadfaa7cf32510707d6268252cb97db1a413b97b9a3722b592a45ab8a989

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    box5363.bluehost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Hajarbh@1993

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\PRQ-12211222.exe
    "C:\Users\Admin\AppData\Local\Temp\PRQ-12211222.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Users\Admin\AppData\Local\Temp\PRQ-12211222.exe
      "C:\Users\Admin\AppData\Local\Temp\PRQ-12211222.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1544-55-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

    Filesize

    4KB

  • memory/1544-57-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB

  • memory/1544-58-0x0000000004E80000-0x0000000004E81000-memory.dmp

    Filesize

    4KB

  • memory/1544-59-0x00000000004E0000-0x00000000004E7000-memory.dmp

    Filesize

    28KB

  • memory/1544-60-0x000000007EF40000-0x000000007EF41000-memory.dmp

    Filesize

    4KB

  • memory/1544-61-0x0000000005580000-0x00000000055D7000-memory.dmp

    Filesize

    348KB

  • memory/1808-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1808-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1808-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1808-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1808-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1808-67-0x0000000000436D6E-mapping.dmp

  • memory/1808-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1808-70-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

    Filesize

    4KB