Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 01:07

General

  • Target

    42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe

  • Size

    668KB

  • MD5

    1af5b16224f32acdb6f6b6ec72f8bbe4

  • SHA1

    4e8005f6484d1aa34e737cddf167a6d9f3a36ecc

  • SHA256

    42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d

  • SHA512

    2b810a501905ce42aacc500f3d590d1db344490cf69904ba7527bd56351bc63b1563217ad48d6a35afae1fcd80cf42e1231a9af5565866e6d2526f8d469922dd

  • SSDEEP

    12288:Ui0YOwqpKtIEWNKO/ZYcNYAVMZ70OPtCHme2oNGHKqoylx9:tO7p42WcJed7CHvlMqxQ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe
    "C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe
      "C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1888

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1072-15-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/1072-2-0x0000000004E10000-0x0000000004E50000-memory.dmp
    Filesize

    256KB

  • memory/1072-0-0x0000000001340000-0x00000000013EE000-memory.dmp
    Filesize

    696KB

  • memory/1072-3-0x00000000004D0000-0x00000000004EA000-memory.dmp
    Filesize

    104KB

  • memory/1072-4-0x00000000003B0000-0x00000000003BC000-memory.dmp
    Filesize

    48KB

  • memory/1072-5-0x0000000004EE0000-0x0000000004F62000-memory.dmp
    Filesize

    520KB

  • memory/1072-1-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/1888-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1888-20-0x00000000004C0000-0x0000000000500000-memory.dmp
    Filesize

    256KB

  • memory/1888-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1888-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/1888-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1888-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1888-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1888-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1888-18-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/1888-19-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/1888-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB