Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 01:28

General

  • Target

    55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.exe

  • Size

    25.8MB

  • MD5

    786b23fdd9aa32c829a987b9ac5d47f1

  • SHA1

    90b2fd25c12cd4b0279823f8ea26969d70028fbd

  • SHA256

    55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b

  • SHA512

    f5859316c337cf5baca8de9e71972bf34c092835ccb926dfaa803a4be3f4fd1793d9a1b3ac1c503be6b3b10e97a8b5e1b1333a2042d06dabed51400527d3f00e

  • SSDEEP

    393216:SeQqwojIUpiL1QkRR2edx1Sdt5dM3isImjSF7pBLkZkPTEdJcxRlHudui7HSZvGu:6qxYzsiSL45pq7Qk6CxXcmcluzn

Score
4/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 3 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.exe
    "C:\Users\Admin\AppData\Local\Temp\55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\is-MTM3V.tmp\55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MTM3V.tmp\55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.tmp" /SL5="$4010A,26164071,1234944,C:\Users\Admin\AppData\Local\Temp\55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im asr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2628
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im asr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:380
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im "ASRNotifier.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

          Filesize

          68KB

          MD5

          29f65ba8e88c063813cc50a4ea544e93

          SHA1

          05a7040d5c127e68c25d81cc51271ffb8bef3568

          SHA256

          1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

          SHA512

          e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

        • C:\Users\Admin\AppData\Local\Temp\Tar1E61.tmp

          Filesize

          177KB

          MD5

          435a9ac180383f9fa094131b173a2f7b

          SHA1

          76944ea657a9db94f9a4bef38f88c46ed4166983

          SHA256

          67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

          SHA512

          1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

        • C:\Users\Admin\AppData\Roaming\Tweaking\Advanced Screen Recorder\info.ini

          Filesize

          10B

          MD5

          834c62ba782866c41b78e9d46a3daa84

          SHA1

          0e1b0c07b80dc229b2ef4a2a1e83f7df6ae18902

          SHA256

          469ffe16a087f971a5bd11822761cb773108e38cdd40ef5a5b3f8fb252605887

          SHA512

          d6d7f4b11d99c2636180e067f401d7a9fd27e5602262a21a6c225aace64312e728d2aa18d5a4113b4777bc3187e7d932f9a168c58ce47e46048bc1e1d990b9d1

        • \Users\Admin\AppData\Local\Temp\is-0TD1E.tmp\idp.dll

          Filesize

          232KB

          MD5

          55c310c0319260d798757557ab3bf636

          SHA1

          0892eb7ed31d8bb20a56c6835990749011a2d8de

          SHA256

          54e7e0ad32a22b775131a6288f083ed3286a9a436941377fc20f85dd9ad983ed

          SHA512

          e0082109737097658677d7963cbf28d412dca3fa8f5812c2567e53849336ce45ebae2c0430df74bfe16c0f3eebb46961bc1a10f32ca7947692a900162128ae57

        • \Users\Admin\AppData\Local\Temp\is-MTM3V.tmp\55541618472b753a5f8173d0d275b4d1fe8d9f007dd5feaec07a97678d930c6b.tmp

          Filesize

          3.3MB

          MD5

          8abc470f6b62876d27c17f22537b9520

          SHA1

          923f2b30e4c3d9907ccc43150a584347b5a7eb04

          SHA256

          c83bb1bd93521baa79081368f0cba117d523c18b1b7260a17111cd264596a273

          SHA512

          fbba81fcc4b86da7a45bd5baf9f4fffffb0039a086abfac5ffbe6a3ce13afdb2a84818cd1f5cbe306ba7a87cbcd706bb088e83f43a3924b6307964aaa268e6bb

        • memory/1876-1-0x0000000000400000-0x000000000053B000-memory.dmp

          Filesize

          1.2MB

        • memory/1876-78-0x0000000000400000-0x000000000053B000-memory.dmp

          Filesize

          1.2MB

        • memory/2504-8-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2504-79-0x0000000000400000-0x000000000075D000-memory.dmp

          Filesize

          3.4MB

        • memory/2504-82-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB