Analysis

  • max time kernel
    61s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2023 17:23

General

  • Target

    a1ce7b26712e1db177d86fa87d09c354.exe

  • Size

    827KB

  • MD5

    a1ce7b26712e1db177d86fa87d09c354

  • SHA1

    23d567e5ee4d4bf882f5d4ebe54643eecd921ef4

  • SHA256

    b6b0ac3d7e4ef3a97fb470b38e53f3d8114b736b60408d9828cd5f81e2d7cf0e

  • SHA512

    e5d5c4770131274c28dab0adbac3ed84395aca30a8c15f7004cd4d28ae503c507dacb432dcce65b2f004711837b3cd7a26766b028957aa3a8bc2d99f9dd849d4

  • SSDEEP

    12288:IKY7z5GoJiGaq5auxKSjipNvJDK2WSqcIVr4vo1euUTyH2BQMyEp0mpefJ3Lww:G5GoR5amjipNvFK2LXG3VrEuqqJ8w

Score
10/10

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot5948365373:AAHGoShKq2YoPLHuMrakRbVNthbMABFYHUc/sendMessage?chat_id=-1001620069625

Signatures

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe
    "C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe
      "C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe"
      2⤵
        PID:2776
      • C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe
        "C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4656

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a1ce7b26712e1db177d86fa87d09c354.exe.log

      Filesize

      1KB

      MD5

      7cad59aef5a93f093b6ba494f13f796f

      SHA1

      3cef97b77939bfc06dfd3946fc1a8cd159f67100

      SHA256

      1e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55

      SHA512

      8cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b

    • memory/4144-133-0x0000000000B20000-0x0000000000BF6000-memory.dmp

      Filesize

      856KB

    • memory/4144-134-0x0000000005A80000-0x0000000006024000-memory.dmp

      Filesize

      5.6MB

    • memory/4144-135-0x00000000055B0000-0x0000000005642000-memory.dmp

      Filesize

      584KB

    • memory/4144-136-0x00000000057A0000-0x00000000057AA000-memory.dmp

      Filesize

      40KB

    • memory/4144-137-0x0000000005760000-0x0000000005770000-memory.dmp

      Filesize

      64KB

    • memory/4144-138-0x0000000005760000-0x0000000005770000-memory.dmp

      Filesize

      64KB

    • memory/4144-139-0x0000000009A20000-0x0000000009ABC000-memory.dmp

      Filesize

      624KB

    • memory/4656-140-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB