Analysis

  • max time kernel
    95s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 00:25

General

  • Target

    2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866.dll

  • Size

    783KB

  • MD5

    a9cd25c63af66fc9800ce9a119524a41

  • SHA1

    ed70474095400ae4aebc1ef08878be1053eeed1d

  • SHA256

    2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866

  • SHA512

    7d6dccab6099001190767de6dd72656bd80a3e291627099849e2674a572a8309306f4c52d217e7e29735b0b77c4facbdfa351d76f3581c0bd29de5280ead7a6b

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+:jDgtfRQUHPw06MoV2nwTBlhm82

Malware Config

Signatures

  • Yunsip

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

  • Yunsip family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2084

Network

MITRE ATT&CK Enterprise v15

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Downloads