Analysis

  • max time kernel
    41s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 08:45

General

  • Target

    62aec63c64dab45b692c67eb43c02d5bb78e2c5344ed3ac1a87b6ad3cc695548.dll

  • Size

    361KB

  • MD5

    038ba977d927b6764a5aae3f7597987f

  • SHA1

    007263b791334414e71edbd7bc6ccf1f2ff85e86

  • SHA256

    62aec63c64dab45b692c67eb43c02d5bb78e2c5344ed3ac1a87b6ad3cc695548

  • SHA512

    58aa89580521b0643aafea49a84854cbc35dd854f0cd56b9753654401ae4f2cfe6969743a994c3d92b91556d2c1a82448997c2579d605a878f56129f7a3bbc8e

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0b:jDgtfRQUHPw06MoV2nwTBlhm8T

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\62aec63c64dab45b692c67eb43c02d5bb78e2c5344ed3ac1a87b6ad3cc695548.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\62aec63c64dab45b692c67eb43c02d5bb78e2c5344ed3ac1a87b6ad3cc695548.dll,#1
      2⤵
        PID:268

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/268-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

      Filesize

      8KB