Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 07:10

General

  • Target

    SO255360 commercial invoice.exe

  • Size

    695KB

  • MD5

    54db69b1c05d458c60facee5ad21aa8f

  • SHA1

    f2e083be5c43fe07b2f09b215f294e4a1ff8d951

  • SHA256

    7f7d4a81650c4f57f43950cd7fa3d2feff773b01e611b3e4f0207b0637517bc0

  • SHA512

    6ce48227fb3fc1268e278c354de24c14ff60939f28583967a7df69292a7ac60dad0f14f0e0661afa9274371ad11c1f9382b5a5a639285417b23ea3218a681fe6

  • SSDEEP

    12288:qNl5nF8kVdqrlbq9w7Q0proijrzmE/yDq6FbRCkZKu/SJinKrWjUVmZgarxk5q:UlZqhbE0proijrr/mbRgu/SJOKHQZxyc

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SO255360 commercial invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\SO255360 commercial invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\SO255360 commercial invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\SO255360 commercial invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1856-0-0x0000000000800000-0x00000000008B2000-memory.dmp

    Filesize

    712KB

  • memory/1856-1-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1856-2-0x0000000004D20000-0x0000000004D60000-memory.dmp

    Filesize

    256KB

  • memory/1856-3-0x0000000000310000-0x0000000000328000-memory.dmp

    Filesize

    96KB

  • memory/1856-4-0x00000000002F0000-0x00000000002F8000-memory.dmp

    Filesize

    32KB

  • memory/1856-5-0x0000000000330000-0x000000000033A000-memory.dmp

    Filesize

    40KB

  • memory/1856-6-0x00000000052F0000-0x000000000536A000-memory.dmp

    Filesize

    488KB

  • memory/1856-18-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-21-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-22-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-23-0x00000000049A0000-0x00000000049E0000-memory.dmp

    Filesize

    256KB