Analysis

  • max time kernel
    110s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:41

General

  • Target

    ACUERDO DE PAGOS 304995289002_xls_doc.exe

  • Size

    796KB

  • MD5

    8609ecbf81a39202d3e4b07be6560c39

  • SHA1

    c620ee3c92be4a7452ee3e72ba15996b24445ecb

  • SHA256

    19274285e64ef86026c3eafd860f658d9115962c94422ccac823916797c97fe9

  • SHA512

    0fe4ed4a677639af8bfce5832036619b48fc89f737496a9441f4e23714f99c1ce69aa165bd5f24525c183d4b6c4af6f90c23855a61ccba3ed47e21c97b016418

  • SSDEEP

    12288:B3eP8m1dyCtEWQY8eqM/dMllC25T1DCwzhCp+Rs+vA+zcs3tiOshby7l/Bs:+1QY8IGlC2Z1DCC0hOsk/Bs

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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\ACUERDO DE PAGOS 304995289002_xls_doc.exe
    "C:\Users\Admin\AppData\Local\Temp\ACUERDO DE PAGOS 304995289002_xls_doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\ACUERDO DE PAGOS 304995289002_xls_doc.exe
      "C:\Users\Admin\AppData\Local\Temp\ACUERDO DE PAGOS 304995289002_xls_doc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:768

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/768-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/768-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/768-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/768-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/768-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/768-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/768-66-0x0000000000437BFE-mapping.dmp
  • memory/768-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1536-55-0x00000000764C1000-0x00000000764C3000-memory.dmp
    Filesize

    8KB

  • memory/1536-54-0x0000000000940000-0x0000000000A0C000-memory.dmp
    Filesize

    816KB

  • memory/1536-59-0x0000000000820000-0x000000000085E000-memory.dmp
    Filesize

    248KB

  • memory/1536-58-0x0000000004FF0000-0x0000000005066000-memory.dmp
    Filesize

    472KB

  • memory/1536-57-0x00000000005A0000-0x00000000005AC000-memory.dmp
    Filesize

    48KB

  • memory/1536-56-0x0000000000550000-0x0000000000568000-memory.dmp
    Filesize

    96KB