Analysis

  • max time kernel
    132s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 05:46

General

  • Target

    QUOTE 7129.bat.exe

  • Size

    567KB

  • MD5

    c5cc1718876b11652a056bfb7c819521

  • SHA1

    37beee9cd4da05c76e9e79a98e824d7f103bf986

  • SHA256

    bd6fb4af1ac12b02fdfa5df9ce0094710fab6415f3154cdcc6c1e5d8b7f351a1

  • SHA512

    547edba7ff818c915e9fa6c16ea2c8ad214afcdef4049aea72a18d6e64243ba227fa8ec77d5232e7f36ab14f9bbae657adce82a3b77f33616d44a552eaf15e45

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rapidmail.ec
  • Port:
    587
  • Username:
    anams@rapidmail.ec
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\QUOTE 7129.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1068

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

Loading Replay Monitor...

Downloads

  • memory/1068-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1068-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1068-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1068-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1068-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1068-64-0x0000000000436D3E-mapping.dmp
  • memory/1068-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1068-67-0x0000000000C70000-0x0000000000C71000-memory.dmp
    Filesize

    4KB

  • memory/1548-55-0x00000000762D1000-0x00000000762D3000-memory.dmp
    Filesize

    8KB

  • memory/1548-56-0x0000000000360000-0x0000000000365000-memory.dmp
    Filesize

    20KB

  • memory/1548-57-0x0000000000C10000-0x0000000000C11000-memory.dmp
    Filesize

    4KB

  • memory/1548-58-0x0000000004FE0000-0x000000000505F000-memory.dmp
    Filesize

    508KB

  • memory/1548-53-0x0000000000F10000-0x0000000000F11000-memory.dmp
    Filesize

    4KB