Analysis

  • max time kernel
    9s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 18:14

General

  • Target

    b4351cde27e09cb0ae96b87d807467dc83454a308adc0d6300250dd8033a21a2.dll

  • Size

    248KB

  • MD5

    0bdd3f3fca0bb54cf6ce382a38cddc59

  • SHA1

    bf89740301e79f860a5abec5f2dc2da108194960

  • SHA256

    b4351cde27e09cb0ae96b87d807467dc83454a308adc0d6300250dd8033a21a2

  • SHA512

    ffb1d0c907388d7977d0f9f805581076c5e9a60a38958a5257b530a8bd45c1277d85d4ff006535b206202830b863e4e296f0d235a4af82a0c359882291cc5ec8

  • SSDEEP

    3072:DUHdcXZX9whcli+x8mc7HBWRYcZSAv3a05LKbdgv9spWOv9vipsUrkEhCkSgIyLI:HX9tig73SU75LkdYspp9vUrM7/WAyKph

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4351cde27e09cb0ae96b87d807467dc83454a308adc0d6300250dd8033a21a2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4351cde27e09cb0ae96b87d807467dc83454a308adc0d6300250dd8033a21a2.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        PID:1936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    79KB

    MD5

    9369519ebb0d7f41871d9c33f4f06712

    SHA1

    f608395fdf1212b03107a329fa9c5223416df80f

    SHA256

    a4b9dea29d50021c0a4add3709e67f2293474dbf9d7c8d3d33d519635567932a

    SHA512

    f95eb87c41b703c97a58bfaec31a8d1a5baba6864184772f1492faf932a6b94c9bc5246228aabbd5467e7f65759e59d0f8119b1dbba4a9bcc3c337b39c2fa985

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    79KB

    MD5

    9369519ebb0d7f41871d9c33f4f06712

    SHA1

    f608395fdf1212b03107a329fa9c5223416df80f

    SHA256

    a4b9dea29d50021c0a4add3709e67f2293474dbf9d7c8d3d33d519635567932a

    SHA512

    f95eb87c41b703c97a58bfaec31a8d1a5baba6864184772f1492faf932a6b94c9bc5246228aabbd5467e7f65759e59d0f8119b1dbba4a9bcc3c337b39c2fa985

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    79KB

    MD5

    9369519ebb0d7f41871d9c33f4f06712

    SHA1

    f608395fdf1212b03107a329fa9c5223416df80f

    SHA256

    a4b9dea29d50021c0a4add3709e67f2293474dbf9d7c8d3d33d519635567932a

    SHA512

    f95eb87c41b703c97a58bfaec31a8d1a5baba6864184772f1492faf932a6b94c9bc5246228aabbd5467e7f65759e59d0f8119b1dbba4a9bcc3c337b39c2fa985

  • memory/1788-54-0x0000000000000000-mapping.dmp

  • memory/1788-55-0x0000000075241000-0x0000000075243000-memory.dmp

    Filesize

    8KB

  • memory/1788-60-0x0000000010000000-0x0000000010042000-memory.dmp

    Filesize

    264KB

  • memory/1936-58-0x0000000000000000-mapping.dmp