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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 18:04

General

  • Target

    ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe

  • Size

    853KB

  • MD5

    2ed6b552b5c13791f7dcaa2fd9a3f302

  • SHA1

    55f119b484ffebd0ece50a7fae65808d638d1e4f

  • SHA256

    ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c

  • SHA512

    e80c225bf649a60d8fffa8afe0aa9cf5bbff80ac3950ab77ef1cb414d4d050fcc2cd8acf62d73e57b53aa70df37fd104be6bf73586748cdcecfcd85612ad03d4

  • SSDEEP

    24576:OKxM2Ss09ILUfkU3sZiefAqe+BPpLaz7iNYd2rgn:OsMrzIIfkRZiFq7pLyKYdcgn

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.midhcodistribuciones.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,A7}+JV4KExQ

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 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 1 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\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
    "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
      "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD145.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD168.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/632-99-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/632-114-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/632-115-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/632-112-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/632-107-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/632-111-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/632-101-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/632-103-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/632-105-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/632-97-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/632-109-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2532-91-0x00000000073B0000-0x0000000007480000-memory.dmp

    Filesize

    832KB

  • memory/2532-96-0x0000000005930000-0x00000000059B4000-memory.dmp

    Filesize

    528KB

  • memory/2532-95-0x0000000004170000-0x000000000417E000-memory.dmp

    Filesize

    56KB

  • memory/2532-94-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-93-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/2532-92-0x0000000004150000-0x000000000416A000-memory.dmp

    Filesize

    104KB

  • memory/2532-0-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/2532-113-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-2-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-1-0x0000000000130000-0x0000000000208000-memory.dmp

    Filesize

    864KB