Analysis

  • max time kernel
    28s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2022 15:53

General

  • Target

    cb949ebe87c55c0ba6cf0525161e2e6670c1ae186ab83ce46047446e9753a926.exe

  • Size

    1.2MB

  • MD5

    755f50457416aeb7fee95a67abfea9fe

  • SHA1

    c039362e891b01040c20e75e16b02169c512aebd

  • SHA256

    cb949ebe87c55c0ba6cf0525161e2e6670c1ae186ab83ce46047446e9753a926

  • SHA512

    323fb73160be9ecfba5518a11cd32c8bf863b0e4ba27800ca0e89af986e28231311c25cf547dca6dc12790c3f9fdd0ef39363a97b616e84e61d07230dbe5e028

  • SSDEEP

    24576:jyr9LuOU3WK7/zMjWd/xlLbTkgS/rqk1E198I9yI1b:jA9L8n/zMjWd/xBTurqk1KxJ

Score
10/10

Malware Config

Signatures

  • BLISTER

    BLISTER is a downloader used to deliver other malware families.

  • Detect Blister loader x32 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb949ebe87c55c0ba6cf0525161e2e6670c1ae186ab83ce46047446e9753a926.exe
    "C:\Users\Admin\AppData\Local\Temp\cb949ebe87c55c0ba6cf0525161e2e6670c1ae186ab83ce46047446e9753a926.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Windows\system32\Rundll32.exe
      Rundll32.exe C:\Users\Admin\AppData\Local\Temp\oarimgamings\holorui.dll,LaunchColorCpl
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\SysWOW64\rundll32.exe
        Rundll32.exe C:\Users\Admin\AppData\Local\Temp\oarimgamings\holorui.dll,LaunchColorCpl
        3⤵
        • Loads dropped DLL
        PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\oarimgamings\holorui.dll

    Filesize

    1.1MB

    MD5

    365eed1bb1afdb4a31770850a1901341

    SHA1

    3b81f39cd1d5ff021a69e48d7842afba0414b26b

    SHA256

    ca09d9cd2f3cfcc06b33eff91d55602cb33a66ab3fd4f540b9212fce5ddae54a

    SHA512

    ee6c58c90bd4c872e028a0c8e73baa41fc76e757e7f6be68759098d460692e568f12dac89537e68a7e645a78333350e16a3ebc04cc3674dcb40590e52ce99c3f

  • \Users\Admin\AppData\Local\Temp\oarimgamings\holorui.dll

    Filesize

    1.1MB

    MD5

    365eed1bb1afdb4a31770850a1901341

    SHA1

    3b81f39cd1d5ff021a69e48d7842afba0414b26b

    SHA256

    ca09d9cd2f3cfcc06b33eff91d55602cb33a66ab3fd4f540b9212fce5ddae54a

    SHA512

    ee6c58c90bd4c872e028a0c8e73baa41fc76e757e7f6be68759098d460692e568f12dac89537e68a7e645a78333350e16a3ebc04cc3674dcb40590e52ce99c3f

  • \Users\Admin\AppData\Local\Temp\oarimgamings\holorui.dll

    Filesize

    1.1MB

    MD5

    365eed1bb1afdb4a31770850a1901341

    SHA1

    3b81f39cd1d5ff021a69e48d7842afba0414b26b

    SHA256

    ca09d9cd2f3cfcc06b33eff91d55602cb33a66ab3fd4f540b9212fce5ddae54a

    SHA512

    ee6c58c90bd4c872e028a0c8e73baa41fc76e757e7f6be68759098d460692e568f12dac89537e68a7e645a78333350e16a3ebc04cc3674dcb40590e52ce99c3f

  • memory/268-55-0x0000000000000000-mapping.dmp

  • memory/552-57-0x0000000000000000-mapping.dmp

  • memory/552-58-0x0000000075111000-0x0000000075113000-memory.dmp

    Filesize

    8KB

  • memory/552-61-0x0000000017170000-0x000000001728A000-memory.dmp

    Filesize

    1.1MB

  • memory/1576-54-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

    Filesize

    8KB