Analysis

  • max time kernel
    118s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    04/08/2023, 04:42

General

  • Target

    TKSC2310596000.exe

  • Size

    544KB

  • MD5

    c580578c2d1d9203d43537f6e71a7c99

  • SHA1

    ccff8d607eef5159e44fa349fb8fa7e8560600ec

  • SHA256

    c545399c898bb75310af8f052aafc91e44893ff82905d80f3b449321b6c61489

  • SHA512

    0abc9c9b8ce4ce830542e5ee2ab0a93ccf10f13b273ff0791bed71330aba07d9fe9a90dbdde0896dfcf79f928431f2592e215ea4247b9c86142c07124050d44a

  • SSDEEP

    12288:2+15YQvjOuVfIQ3e97weN2LhB0iXmVDW0MDhYm5:2+1XOuv3C92LL0iXm+hYm5

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe
    "C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe
      "C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2332-54-0x0000000000080000-0x000000000010E000-memory.dmp

          Filesize

          568KB

        • memory/2332-55-0x0000000074750000-0x0000000074E3E000-memory.dmp

          Filesize

          6.9MB

        • memory/2332-56-0x0000000004D20000-0x0000000004D60000-memory.dmp

          Filesize

          256KB

        • memory/2332-57-0x00000000003B0000-0x00000000003C0000-memory.dmp

          Filesize

          64KB

        • memory/2332-58-0x0000000074750000-0x0000000074E3E000-memory.dmp

          Filesize

          6.9MB

        • memory/2332-59-0x0000000004D20000-0x0000000004D60000-memory.dmp

          Filesize

          256KB

        • memory/2332-60-0x00000000003D0000-0x00000000003DA000-memory.dmp

          Filesize

          40KB

        • memory/2332-61-0x0000000005070000-0x00000000050D0000-memory.dmp

          Filesize

          384KB

        • memory/2332-75-0x0000000074750000-0x0000000074E3E000-memory.dmp

          Filesize

          6.9MB

        • memory/3036-64-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-63-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-66-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3036-70-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-72-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-74-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-62-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/3036-76-0x0000000074750000-0x0000000074E3E000-memory.dmp

          Filesize

          6.9MB

        • memory/3036-77-0x0000000004A50000-0x0000000004A90000-memory.dmp

          Filesize

          256KB

        • memory/3036-78-0x0000000074750000-0x0000000074E3E000-memory.dmp

          Filesize

          6.9MB

        • memory/3036-79-0x0000000004A50000-0x0000000004A90000-memory.dmp

          Filesize

          256KB