Analysis

  • max time kernel
    78s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2023 06:38

General

  • Target

    33d09273dc6cd6f995271202a20e8df2e0579a066db9b0bdcbfff7da7afe3768.ps1

  • Size

    26KB

  • MD5

    c9ebd0d057c99b70ba8e955a0f51f72f

  • SHA1

    ee2323f856b397a7c0ce1feb6677152376e96da5

  • SHA256

    33d09273dc6cd6f995271202a20e8df2e0579a066db9b0bdcbfff7da7afe3768

  • SHA512

    c8a1b27243b3526acd38052639574a201f82d96dca2c5a3e753d05c75dc5d21a7984cc66bcda04ea27199e846359695c118ba7cf2162d4ca95cc569147bb7d74

  • SSDEEP

    384:pIAUl9V5xJCdNz6etOzzodsGeE3WdbSU0jRArxJDZF6boFUUC7+v6fCUqqgCENqn:uAUjKz6r5GeW+bOoCvK/imC6YEaxP

Malware Config

Extracted

Family

cobaltstrike

C2

http://43.136.14.33:50001/GSmV

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; UHS)

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Blocklisted process makes network request 10 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\33d09273dc6cd6f995271202a20e8df2e0579a066db9b0bdcbfff7da7afe3768.ps1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2512
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2512 -s 1516
      2⤵
      • Program crash
      PID:1784
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 456 -p 2512 -ip 2512
    1⤵
      PID:3476

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b0tnkhis.qfp.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2512-133-0x0000018AB9CE0000-0x0000018AB9D02000-memory.dmp
      Filesize

      136KB

    • memory/2512-143-0x0000018AB6F40000-0x0000018AB6F50000-memory.dmp
      Filesize

      64KB

    • memory/2512-144-0x0000018AB6F40000-0x0000018AB6F50000-memory.dmp
      Filesize

      64KB

    • memory/2512-145-0x0000018ABA030000-0x0000018ABA031000-memory.dmp
      Filesize

      4KB

    • memory/2512-146-0x0000018AB6F40000-0x0000018AB6F50000-memory.dmp
      Filesize

      64KB

    • memory/2512-147-0x0000018AB6F40000-0x0000018AB6F50000-memory.dmp
      Filesize

      64KB

    • memory/2512-148-0x0000018AB6F40000-0x0000018AB6F50000-memory.dmp
      Filesize

      64KB