Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2023, 15:34

General

  • Target

    065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe

  • Size

    609KB

  • MD5

    0a24f265c64fd296e6d7cb4e0e291518

  • SHA1

    5f676ce8451a1f7274cf37d753c7e0f772e9890c

  • SHA256

    065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9

  • SHA512

    ed66a816100369dda7a4266f68ba82432b641b2c866bb9da7efb55990c8355dee74c8265560f0dd7c54694aadaa1221d835ee3fb06c07654b48cdca9f2752bca

  • SSDEEP

    12288:5+uZdrYmJ+37pZa9Jbr3CZap6LSt5GDNCHBe3fiSYwYAKw1V0n8aPaN:5+uDrYmQ37pZa9Jb7Ich5Gkhe31jew1X

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Users\Admin\AppData\Local\Temp\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe"
      2⤵
        PID:2188
      • C:\Users\Admin\AppData\Local\Temp\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:440

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\065422f5a2797ef0b64e40890c4b00d60c2edda5bef5a73a6eb361ec8a81baa9exe_JC.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/440-142-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/440-150-0x00000000059C0000-0x00000000059D0000-memory.dmp

            Filesize

            64KB

          • memory/440-149-0x0000000074730000-0x0000000074EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/440-148-0x0000000006AB0000-0x0000000006C72000-memory.dmp

            Filesize

            1.8MB

          • memory/440-147-0x00000000059C0000-0x00000000059D0000-memory.dmp

            Filesize

            64KB

          • memory/440-145-0x0000000074730000-0x0000000074EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/564-141-0x0000000009470000-0x000000000950C000-memory.dmp

            Filesize

            624KB

          • memory/564-133-0x0000000074730000-0x0000000074EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/564-140-0x0000000005620000-0x0000000005630000-memory.dmp

            Filesize

            64KB

          • memory/564-139-0x0000000074730000-0x0000000074EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/564-138-0x0000000005850000-0x000000000585A000-memory.dmp

            Filesize

            40KB

          • memory/564-146-0x0000000074730000-0x0000000074EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/564-137-0x0000000005620000-0x0000000005630000-memory.dmp

            Filesize

            64KB

          • memory/564-136-0x00000000056B0000-0x0000000005742000-memory.dmp

            Filesize

            584KB

          • memory/564-135-0x0000000005B80000-0x0000000006124000-memory.dmp

            Filesize

            5.6MB

          • memory/564-134-0x0000000000C00000-0x0000000000C9E000-memory.dmp

            Filesize

            632KB