Analysis

  • max time kernel
    127s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2023, 06:27

General

  • Target

    1232exe.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
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1232exe.exe
    "C:\Users\Admin\AppData\Local\Temp\1232exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Users\Admin\AppData\Local\Temp\1232exe.exe
      "C:\Users\Admin\AppData\Local\Temp\1232exe.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1760
        3⤵
        • Program crash
        PID:2544
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4380 -ip 4380
    1⤵
      PID:2692

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1232exe.exe.log

            Filesize

            1KB

            MD5

            7cad59aef5a93f093b6ba494f13f796f

            SHA1

            3cef97b77939bfc06dfd3946fc1a8cd159f67100

            SHA256

            1e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55

            SHA512

            8cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b

          • memory/3876-133-0x0000000000450000-0x0000000000526000-memory.dmp

            Filesize

            856KB

          • memory/3876-134-0x00000000055D0000-0x0000000005B74000-memory.dmp

            Filesize

            5.6MB

          • memory/3876-135-0x0000000004F00000-0x0000000004F92000-memory.dmp

            Filesize

            584KB

          • memory/3876-136-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

            Filesize

            40KB

          • memory/3876-137-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

            Filesize

            64KB

          • memory/3876-138-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

            Filesize

            64KB

          • memory/3876-139-0x0000000008EE0000-0x0000000008F7C000-memory.dmp

            Filesize

            624KB

          • memory/4380-140-0x0000000000400000-0x000000000045A000-memory.dmp

            Filesize

            360KB

          • memory/4380-143-0x0000000005840000-0x0000000005850000-memory.dmp

            Filesize

            64KB