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Analysis

  • max time kernel
    90s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2022, 06:31

General

  • Target

    LCL Import International Clearance.exe

  • Size

    882KB

  • MD5

    f32c84bf0aad0fc382a2c3ae35062156

  • SHA1

    5ff3e05f44bf9e4711463edd8180f79e9b92d91e

  • SHA256

    040e6ed9a19b41f4ca9c009574b1215169adbbd3b138fabbced22ddad3533805

  • SHA512

    92183d2e90ef01e9de85b81247ecc913c0664e98c31aeca16e91a1a1d7c550fb460d605b67daa7c302bc1abdfc85d46b1bcb6df4cd7df6e8ffa4308c3b9b4b76

  • SSDEEP

    12288:u2iN2J2uXb+ZmOGl3Yl9KRk8sQxDV2iiWGt188u3qtz7toq9HRogJt:u1BWG83YlMRk8sbiSf88u30d9bJ

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LCL Import International Clearance.exe
    "C:\Users\Admin\AppData\Local\Temp\LCL Import International Clearance.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\LCL Import International Clearance.exe
      "C:\Users\Admin\AppData\Local\Temp\LCL Import International Clearance.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LCL Import International Clearance.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/4448-139-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4448-141-0x00000000065D0000-0x0000000006792000-memory.dmp

    Filesize

    1.8MB

  • memory/4616-132-0x0000000000490000-0x0000000000574000-memory.dmp

    Filesize

    912KB

  • memory/4616-133-0x0000000005580000-0x0000000005B24000-memory.dmp

    Filesize

    5.6MB

  • memory/4616-134-0x0000000004F00000-0x0000000004F92000-memory.dmp

    Filesize

    584KB

  • memory/4616-135-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

    Filesize

    40KB

  • memory/4616-136-0x0000000009DF0000-0x0000000009E8C000-memory.dmp

    Filesize

    624KB

  • memory/4616-137-0x0000000009F00000-0x0000000009F66000-memory.dmp

    Filesize

    408KB