Resubmissions

07-12-2023 15:05

231207-sgknpscd57 10

07-11-2020 10:20

201107-sllx5tjcxs 10

Analysis

  • max time kernel
    1794s
  • max time network
    1122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 15:05

General

  • Target

    Recibo da TNT shipping.exe

  • Size

    814KB

  • MD5

    a39eb134c963ff450009962b24819629

  • SHA1

    fcd967ab2afd3c0dc91cbe43a5112e8caf423c80

  • SHA256

    cf0bad09c814bb64da93ebdb2ef5830c3b83e5106ae967e2155ebae2f2c63cc3

  • SHA512

    bb11ca3beadd2f007005c45b85bcc1107f4f238100606bf885636839c4e2ab685a2d00cb7aebb040e2759f075de1cde1ff402a15b5c81eec01f07db699871993

  • SSDEEP

    12288:NVKdZyObtOG0OHttZpOohFSsymCpiuyWKNpaj31NhaF9ji1fZgpt:NVMHwG0ON514iuyWEpajc7uJZKt

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 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.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Recibo da TNT shipping.exe
    "C:\Users\Admin\AppData\Local\Temp\Recibo da TNT shipping.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Local\Temp\Recibo da TNT shipping.exe
      "C:\Users\Admin\AppData\Local\Temp\Recibo da TNT shipping.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1112-40-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

    Filesize

    4KB

  • memory/1112-53-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-7-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1112-8-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1112-12-0x0000000000990000-0x00000000009CC000-memory.dmp

    Filesize

    240KB

  • memory/1112-10-0x0000000000990000-0x00000000009CC000-memory.dmp

    Filesize

    240KB

  • memory/1112-39-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-41-0x0000000004C70000-0x0000000005214000-memory.dmp

    Filesize

    5.6MB

  • memory/1112-20-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-21-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-23-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-25-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-28-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-27-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-29-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-30-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

    Filesize

    4KB

  • memory/1112-31-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-32-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-4-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1112-34-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-35-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-36-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-37-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-38-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-33-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-71-0x00000000006F0000-0x00000000006FA000-memory.dmp

    Filesize

    40KB

  • memory/1112-70-0x0000000000A20000-0x0000000000A70000-memory.dmp

    Filesize

    320KB

  • memory/1112-42-0x0000000004AE0000-0x0000000004B72000-memory.dmp

    Filesize

    584KB

  • memory/1112-43-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

    Filesize

    64KB

  • memory/1112-44-0x0000000005310000-0x00000000053AC000-memory.dmp

    Filesize

    624KB

  • memory/1112-45-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1112-46-0x0000000005990000-0x00000000059A8000-memory.dmp

    Filesize

    96KB

  • memory/1112-47-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/1112-48-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-49-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-50-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-51-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-6-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1112-55-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-54-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-56-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-57-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-58-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/1112-59-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-60-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-61-0x0000000077070000-0x0000000077160000-memory.dmp

    Filesize

    960KB

  • memory/1112-63-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

    Filesize

    64KB

  • memory/4572-3-0x00000000024E0000-0x00000000024E1000-memory.dmp

    Filesize

    4KB

  • memory/4572-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/4572-2-0x00000000024B0000-0x00000000024C3000-memory.dmp

    Filesize

    76KB

  • memory/4572-11-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB