Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 11:52

General

  • Target

    malw.exe

  • Size

    940KB

  • MD5

    6078bb5f64133b9af08b04ef47aaf3d8

  • SHA1

    779fe7b28b8e4e4320595bafc4455581da5ff1b9

  • SHA256

    0c2e276619d4b87e082dbd7ead5b09a85ad625584f64b2ed34548713fc776eeb

  • SHA512

    8bb0dc1386624c2161f8dfee9cf84828d384bc8dd2b85a15119bb7ba2be9447703f56132015c521b44ebbed8a23e199bde4c8391546616a946fa285a325cccf5

  • SSDEEP

    12288:PxK395tBOMVj0Gth54WDtQd33L65xOfIrcR6k29sfFE4TUm1P:PVkFdDad33LLIrJkNFE4ht

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\malw.exe
      "C:\Users\Admin\AppData\Local\Temp\malw.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/312-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/312-14-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/312-13-0x0000000006DE0000-0x0000000006E7C000-memory.dmp

    Filesize

    624KB

  • memory/312-12-0x0000000006CF0000-0x0000000006D40000-memory.dmp

    Filesize

    320KB

  • memory/312-10-0x00000000056F0000-0x0000000005756000-memory.dmp

    Filesize

    408KB

  • memory/312-9-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/312-8-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/1460-3-0x00000000053F0000-0x0000000005482000-memory.dmp

    Filesize

    584KB

  • memory/1460-6-0x0000000005610000-0x0000000005658000-memory.dmp

    Filesize

    288KB

  • memory/1460-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

    Filesize

    40KB

  • memory/1460-4-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/1460-11-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/1460-0-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/1460-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

    Filesize

    5.6MB

  • memory/1460-1-0x00000000008D0000-0x00000000009C2000-memory.dmp

    Filesize

    968KB