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Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 16:12

General

  • Target

    Documente de expediere.exe

  • Size

    722KB

  • MD5

    5152892f69bc66e7d7c6fab29f655de0

  • SHA1

    da75932eb9a00a05c038df22c52d59cefa78083f

  • SHA256

    20dec5a74037ed25874d0e51d7280d9832c740747831e389383d0ed97058be17

  • SHA512

    be657934627f199576623195658c088da215689b64992b28d1a7063573293efe1e5e2e7212644a78fa8e0a9e9a089739d81bf9971963dc1861bbc2d6d3ca9911

  • SSDEEP

    12288:glyYr9W0mzoIiWQGoltCpCLJ+alLT//jb8Q0IsK4/kh9tXm16a:R0UoPyoFLM8LTDb8f/kh9tXm16a

Malware Config

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documente de expediere.exe
    "C:\Users\Admin\AppData\Local\Temp\Documente de expediere.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\Documente de expediere.exe
      "C:\Users\Admin\AppData\Local\Temp\Documente de expediere.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1820-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1820-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1820-18-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1820-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1820-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1820-15-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1820-17-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1820-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2628-14-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/2628-16-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/2628-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

    Filesize

    4KB

  • memory/2628-1-0x0000000000A30000-0x0000000000AEA000-memory.dmp

    Filesize

    744KB

  • memory/2628-2-0x0000000000530000-0x0000000000578000-memory.dmp

    Filesize

    288KB