Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2022 17:44

General

  • Target

    61342b4f0ea92d766673c934fd3ad473b2c6343fc441577cb4150132c010fec4.dll

  • Size

    271KB

  • MD5

    0f0ff9577b48f4bf1cdedee868f02cbe

  • SHA1

    21d0bf877cef77ca34ea38fac6bf87d6a19b4b3b

  • SHA256

    61342b4f0ea92d766673c934fd3ad473b2c6343fc441577cb4150132c010fec4

  • SHA512

    43369edce19cc984ea4ed9629df8a0746e29483fc42ec9d0ab9b6f37757a85b9461f333884871f7a960b184b97070e7fb7736b929441d0d6f7196d8528a3f9cc

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0N:jDgtfRQUHPw06MoV2nwTBlhm8F

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\61342b4f0ea92d766673c934fd3ad473b2c6343fc441577cb4150132c010fec4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\61342b4f0ea92d766673c934fd3ad473b2c6343fc441577cb4150132c010fec4.dll,#1
      2⤵
        PID:1124

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1124-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

      Filesize

      8KB