Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2023, 20:56

General

  • Target

    RFQ005194.exe

  • Size

    622KB

  • MD5

    cecd943e9d3e13699dbd3016b2c8abcf

  • SHA1

    4524f2e5f6830c9b64c6f875d77811aeeb9f73ea

  • SHA256

    351c0e2125e4a520bbe97ba66e4596f6a95fe1f52e2fafb7baef5cc0034aeb19

  • SHA512

    789fbdedd7852265420fc394c0ffa5ba7fc2571d06fd49d286726b015daddd1ea909218c9bc1a59a2301517671c8cc31e9d1cfce2528d19f25bce725729427a5

  • SSDEEP

    6144:zqdq+QhfWi/IP1UkwnfiHWXa0jyUYvygEJK2VuOvhRsDMqepPd44hhamQ+0xz9Yp:DC13p2KKyUYagr7OvtqepPR3Sd9LG7/

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6221660400:AAGb-WADrhdDFxd9kxzjtg3jdDw9-uvNVlM/sendMessage?chat_id=6200392710

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"
      2⤵
        PID:4880
      • C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3600

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ005194.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/1748-133-0x0000000000040000-0x00000000000E2000-memory.dmp

            Filesize

            648KB

          • memory/1748-134-0x0000000004F60000-0x0000000005504000-memory.dmp

            Filesize

            5.6MB

          • memory/1748-135-0x0000000004AA0000-0x0000000004B32000-memory.dmp

            Filesize

            584KB

          • memory/1748-136-0x0000000004C40000-0x0000000004C4A000-memory.dmp

            Filesize

            40KB

          • memory/1748-137-0x0000000004C50000-0x0000000004C60000-memory.dmp

            Filesize

            64KB

          • memory/1748-138-0x0000000004C50000-0x0000000004C60000-memory.dmp

            Filesize

            64KB

          • memory/1748-139-0x00000000066D0000-0x000000000676C000-memory.dmp

            Filesize

            624KB

          • memory/3600-140-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/3600-143-0x0000000005B40000-0x0000000005B50000-memory.dmp

            Filesize

            64KB

          • memory/3600-144-0x0000000005B40000-0x0000000005B50000-memory.dmp

            Filesize

            64KB