Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 07:17

General

  • Target

    gSiVHtIBk021Ayu.exe

  • Size

    687KB

  • MD5

    02a5859efad4d8d57afed4ea7887337f

  • SHA1

    15fee5776de725d618dbbc55bbae9aa8e899b49b

  • SHA256

    a96ec11040b2e20d39e3a0fd96de1932b1ba042ce2d08a39811d9011ce55409c

  • SHA512

    d556f7796aa1a85cf7b7354b7460c0992212969ae02757fd07c5186256939417d1fb209e676d841f61442a9fd6ce4b3df327acaec4857faabef08ebb6b7a9198

  • SSDEEP

    12288:6ccopox4qqR+s43z2CX/0Gp/74gjN7LHITdojjj3yeTtpRIboAV4:Me5c2yp/74ENoBylRJAV4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.integrasolusindo.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QJIKJNR6N0VS

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gSiVHtIBk021Ayu.exe
    "C:\Users\Admin\AppData\Local\Temp\gSiVHtIBk021Ayu.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Users\Admin\AppData\Local\Temp\gSiVHtIBk021Ayu.exe
      "C:\Users\Admin\AppData\Local\Temp\gSiVHtIBk021Ayu.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\gSiVHtIBk021Ayu.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2468-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-21-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/2468-20-0x00000000746B0000-0x0000000074E60000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-19-0x0000000006090000-0x00000000060E0000-memory.dmp

    Filesize

    320KB

  • memory/2468-17-0x00000000052D0000-0x0000000005336000-memory.dmp

    Filesize

    408KB

  • memory/2468-16-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/2468-15-0x00000000746B0000-0x0000000074E60000-memory.dmp

    Filesize

    7.7MB

  • memory/3832-5-0x0000000004D00000-0x0000000004D0A000-memory.dmp

    Filesize

    40KB

  • memory/3832-9-0x000000000B840000-0x000000000B8BA000-memory.dmp

    Filesize

    488KB

  • memory/3832-10-0x000000000EED0000-0x000000000EF6C000-memory.dmp

    Filesize

    624KB

  • memory/3832-8-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

    Filesize

    40KB

  • memory/3832-7-0x0000000004FA0000-0x0000000004FA6000-memory.dmp

    Filesize

    24KB

  • memory/3832-14-0x00000000746B0000-0x0000000074E60000-memory.dmp

    Filesize

    7.7MB

  • memory/3832-6-0x0000000004F30000-0x0000000004F48000-memory.dmp

    Filesize

    96KB

  • memory/3832-1-0x00000000746B0000-0x0000000074E60000-memory.dmp

    Filesize

    7.7MB

  • memory/3832-4-0x0000000004E60000-0x0000000004E70000-memory.dmp

    Filesize

    64KB

  • memory/3832-3-0x0000000004C40000-0x0000000004CD2000-memory.dmp

    Filesize

    584KB

  • memory/3832-2-0x00000000052D0000-0x0000000005874000-memory.dmp

    Filesize

    5.6MB

  • memory/3832-0-0x00000000001C0000-0x0000000000270000-memory.dmp

    Filesize

    704KB