Analysis

  • max time kernel
    134s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    20-10-2021 14:05

General

  • Target

    g9XCQOMvwhPEV6L.exe

  • Size

    436KB

  • MD5

    272949acab6b71a4819f040bc4f0c5c4

  • SHA1

    ba714a50c8b67e5b951ab74ef5c201884ef223f0

  • SHA256

    2d7c5f6f54961f7bad156c7fd858c1718218fccc731ccd45f75f7180d03d921c

  • SHA512

    aca3035eb6a102beeb9497783a0828f4acfc1defefafc702b0b50bb2a7f74f89066b7f6847f4a0df8e41a24715e52955327ded4fd97d82aa45e0b2d581768cb5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.goldentravel.ec
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chinadusco@5555343

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\g9XCQOMvwhPEV6L.exe
    "C:\Users\Admin\AppData\Local\Temp\g9XCQOMvwhPEV6L.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\g9XCQOMvwhPEV6L.exe
      "C:\Users\Admin\AppData\Local\Temp\g9XCQOMvwhPEV6L.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\g9XCQOMvwhPEV6L.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2416-122-0x0000000008350000-0x0000000008351000-memory.dmp
    Filesize

    4KB

  • memory/2416-118-0x0000000004D10000-0x0000000004D11000-memory.dmp
    Filesize

    4KB

  • memory/2416-119-0x0000000004C50000-0x0000000004C51000-memory.dmp
    Filesize

    4KB

  • memory/2416-120-0x0000000004D10000-0x000000000520E000-memory.dmp
    Filesize

    5.0MB

  • memory/2416-121-0x0000000004F30000-0x0000000004F37000-memory.dmp
    Filesize

    28KB

  • memory/2416-115-0x00000000003B0000-0x00000000003B1000-memory.dmp
    Filesize

    4KB

  • memory/2416-123-0x00000000084F0000-0x0000000008548000-memory.dmp
    Filesize

    352KB

  • memory/2416-117-0x0000000005210000-0x0000000005211000-memory.dmp
    Filesize

    4KB

  • memory/3520-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3520-125-0x000000000043772E-mapping.dmp
  • memory/3520-131-0x00000000054E0000-0x00000000059DE000-memory.dmp
    Filesize

    5.0MB

  • memory/3520-132-0x0000000005990000-0x0000000005991000-memory.dmp
    Filesize

    4KB

  • memory/3520-133-0x0000000006140000-0x0000000006141000-memory.dmp
    Filesize

    4KB