Analysis

  • max time kernel
    144s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 00:15

General

  • Target

    8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll

  • Size

    244KB

  • MD5

    75e6c5f90d12885e6ae103440f4ee500

  • SHA1

    342cb45b2f28644c4029ae297450f28a684eadb3

  • SHA256

    8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5

  • SHA512

    02225b2db94982671c5bd75ae7481d5e335f8e6e84dcb73c6b9bc2deb46f11e77548184ff3065ac58b48f01cefe9f8b36ef66491d7e81829e57b90f3e446f992

  • SSDEEP

    3072:iHJ3uezIH4TwDnbU+VPBNiz2130BSuqPeBZuIvv2nxy4B0hw+Dc2c2C:tU4HHpB1jcZbvenxybG+pc2C

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 48
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 224
        3⤵
        • Program crash
        PID:1252

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    3057899a0737ff16ec205af279774bc3

    SHA1

    d845fc786a80680215fc7fdbaf359d0f6208ecb2

    SHA256

    ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23

    SHA512

    4588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d

  • memory/792-65-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1628-64-0x0000000000290000-0x00000000002F6000-memory.dmp

    Filesize

    408KB

  • memory/1628-63-0x0000000074540000-0x0000000074582000-memory.dmp

    Filesize

    264KB

  • memory/1628-62-0x00000000744F0000-0x0000000074532000-memory.dmp

    Filesize

    264KB

  • memory/1628-60-0x0000000074540000-0x0000000074582000-memory.dmp

    Filesize

    264KB

  • memory/1628-55-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

    Filesize

    8KB

  • memory/1628-71-0x0000000074540000-0x0000000074582000-memory.dmp

    Filesize

    264KB