Analysis

  • max time kernel
    6s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-11-2020 22:49

General

  • Target

    b9c433908c852b56c65ff1eb22201deffbba76f0024a634e219e96210b076b0e.dll

  • Size

    206KB

  • MD5

    6ae2f326d5731758d5654bd62828ce6c

  • SHA1

    5184041cce425e5756c9543525a2280a9e27e527

  • SHA256

    b9c433908c852b56c65ff1eb22201deffbba76f0024a634e219e96210b076b0e

  • SHA512

    01a42dc09195533d91d1b29e5037a4e059aeb0cad257a6244b8cb0cde30b6e6f2b643e26e5ebf9c4827e8a82e2d6adf1a593c3fbf28557171cb11dd3782caf3b

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9c433908c852b56c65ff1eb22201deffbba76f0024a634e219e96210b076b0e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9c433908c852b56c65ff1eb22201deffbba76f0024a634e219e96210b076b0e.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 244
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:816

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/816-1-0x0000000000000000-mapping.dmp
  • memory/816-2-0x0000000001FA0000-0x0000000001FB1000-memory.dmp
    Filesize

    68KB

  • memory/816-4-0x00000000027D0000-0x00000000027E1000-memory.dmp
    Filesize

    68KB

  • memory/1160-0-0x0000000000000000-mapping.dmp
  • memory/1160-3-0x0000000000000000-mapping.dmp