Analysis

  • max time kernel
    149s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 06:46

General

  • Target

    405038bb905e5740fb8363dfdc8b03a7d40d7ea80715bb5697a65a0fbcd45119.exe

  • Size

    1.3MB

  • MD5

    f721d46e0049e7604741f53f79fe39a3

  • SHA1

    2bb22da15b74e26de1ffecb81583c403f1893257

  • SHA256

    405038bb905e5740fb8363dfdc8b03a7d40d7ea80715bb5697a65a0fbcd45119

  • SHA512

    89bcac2c72bddc50922381b0a92dcda4a1c2ee26dd8830393a983c19f804096792aa404ff786d5cc7928cae77c448c398c4606b6f869951f92e32931a933cfe3

  • SSDEEP

    24576:R0FGMqzFkMiE4nAcQB2kWf65NShgDAzkxFPh3kEpS:e+Fk+MHn6/SKDIkxxh3

Malware Config

Extracted

Family

metasploit

Version

encoder/shikata_ga_nai

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\405038bb905e5740fb8363dfdc8b03a7d40d7ea80715bb5697a65a0fbcd45119.exe
    "C:\Users\Admin\AppData\Local\Temp\405038bb905e5740fb8363dfdc8b03a7d40d7ea80715bb5697a65a0fbcd45119.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\theYNC.com.exe
      "C:\Users\Admin\AppData\Local\Temp\theYNC.com.exe"
      2⤵
      • Executes dropped EXE
      PID:2036
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\Cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\Cvtres.exe"
      2⤵
        PID:1964

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\theYNC.com.exe
      Filesize

      245KB

      MD5

      f356cb1e06242e5f221aa20cf33a044a

      SHA1

      75715369757ea20f51791a4c5fb3e6daf407611a

      SHA256

      648cfca36bcd7ad8ae0cb623a7edf04196b7490eebec364b586fb37428214f96

      SHA512

      cd6673482fa6c7d0070f54d53932781a8e27537cd18b067488b607d3f3cb88c88754e5f3ec499b207ef210ca0e3e4b687a7a9eb09fe11f0123ed5b0742aa5a34

    • C:\Users\Admin\AppData\Local\Temp\theYNC.com.exe
      Filesize

      245KB

      MD5

      f356cb1e06242e5f221aa20cf33a044a

      SHA1

      75715369757ea20f51791a4c5fb3e6daf407611a

      SHA256

      648cfca36bcd7ad8ae0cb623a7edf04196b7490eebec364b586fb37428214f96

      SHA512

      cd6673482fa6c7d0070f54d53932781a8e27537cd18b067488b607d3f3cb88c88754e5f3ec499b207ef210ca0e3e4b687a7a9eb09fe11f0123ed5b0742aa5a34

    • \Users\Admin\AppData\Local\Temp\theYNC.com.exe
      Filesize

      245KB

      MD5

      f356cb1e06242e5f221aa20cf33a044a

      SHA1

      75715369757ea20f51791a4c5fb3e6daf407611a

      SHA256

      648cfca36bcd7ad8ae0cb623a7edf04196b7490eebec364b586fb37428214f96

      SHA512

      cd6673482fa6c7d0070f54d53932781a8e27537cd18b067488b607d3f3cb88c88754e5f3ec499b207ef210ca0e3e4b687a7a9eb09fe11f0123ed5b0742aa5a34

    • memory/1196-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
      Filesize

      8KB

    • memory/1196-78-0x0000000074A50000-0x0000000074FFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1196-70-0x0000000074A50000-0x0000000074FFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1964-67-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-59-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-64-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-66-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-60-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-69-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-71-0x0000000000416000-mapping.dmp
    • memory/1964-62-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-73-0x0000000000400000-0x00000000004EF000-memory.dmp
      Filesize

      956KB

    • memory/1964-76-0x00000000004F0000-0x00000000005D0000-memory.dmp
      Filesize

      896KB

    • memory/1964-75-0x0000000000400000-0x00000000004EEB38-memory.dmp
      Filesize

      954KB

    • memory/2036-63-0x000007FEF4510000-0x000007FEF4F33000-memory.dmp
      Filesize

      10.1MB

    • memory/2036-74-0x000007FEF3470000-0x000007FEF4506000-memory.dmp
      Filesize

      16.6MB

    • memory/2036-77-0x00000000005A7000-0x00000000005C6000-memory.dmp
      Filesize

      124KB

    • memory/2036-56-0x0000000000000000-mapping.dmp
    • memory/2036-79-0x00000000005A7000-0x00000000005C6000-memory.dmp
      Filesize

      124KB