Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2023, 15:40

General

  • Target

    d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe

  • Size

    4.0MB

  • MD5

    a75283bc0aaee9ed8762dabaa635f1c7

  • SHA1

    31679b4b4ca53b06da7a63a5bb63432f4cabe7df

  • SHA256

    d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600

  • SHA512

    a1007bc3d68e64c6896638c1edcf5921fae052ab24d7edae35ec51deb0b0cfe53188769905285ca62330e68b9249cc0686f9dee00797b8ba4638758553ecf669

  • SSDEEP

    49152:fws/uynX9W06SSHXZvAOdf1LyvxXNmx/EapWxnjRDhel9YcFyInowXW5MTZzb:f3NfRI5wBElnxn6q

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1224
      • C:\Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe
        "C:\Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2352
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a8AC2.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3036
          • C:\Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe
            "C:\Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe"
            4⤵
            • Executes dropped EXE
            PID:2688
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2600
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2732
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2772

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

              Filesize

              254KB

              MD5

              568f17750238ab463c745953a303648a

              SHA1

              25e9de37d6edb52c584c442e4f93a0448b4b37d4

              SHA256

              5351b82387339c78b116a077f2ba633da2a6fef86a165d92bfe28c2c3770ac81

              SHA512

              9034bc060e8155e07009d2142830f03b29c50525232fa1719038eae4fc742d460c5dad7b7fdd6957264c338072fbe71193a23d994510dc809ae240023b9f1ed3

            • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

              Filesize

              474KB

              MD5

              82d95ff3c368229d3ecd547bfc2e95e4

              SHA1

              05c2c8065f243260792924168f85c614057119e8

              SHA256

              5fd8262ebaf159fa1ba5a2b80dad6f98477d1f549a651fc1a327f0dd207f2fdb

              SHA512

              27815b93d6070f7026c23ceac6210a78e694616d6a6a2012369b271e2d2ec986438f80dd3a29db4c4419b08084cb5a5914af216177669b86d8e2ae7184691699

            • C:\Users\Admin\AppData\Local\Temp\$$a8AC2.bat

              Filesize

              722B

              MD5

              eba53aa6603fc5fb4fb65dc6efd3a4d4

              SHA1

              36b651bcfd219ee7e16755cf874207bd50a80596

              SHA256

              45384af92b7d1b2e119addcac3a72807e1f39169bc475685fe2443068fb4e6de

              SHA512

              3df10363acf31cb3ba6941dd6a2b3503175305ea39dad11f6e4294e3a8549a29608f048a442eae8dfbd0a476e82845b92033f1324ead6bec83c9d6e70b2b785e

            • C:\Users\Admin\AppData\Local\Temp\$$a8AC2.bat

              Filesize

              722B

              MD5

              eba53aa6603fc5fb4fb65dc6efd3a4d4

              SHA1

              36b651bcfd219ee7e16755cf874207bd50a80596

              SHA256

              45384af92b7d1b2e119addcac3a72807e1f39169bc475685fe2443068fb4e6de

              SHA512

              3df10363acf31cb3ba6941dd6a2b3503175305ea39dad11f6e4294e3a8549a29608f048a442eae8dfbd0a476e82845b92033f1324ead6bec83c9d6e70b2b785e

            • C:\Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe

              Filesize

              3.9MB

              MD5

              640066423ccb8a3e8feaf63e0c093349

              SHA1

              94c7e7c25c4576b0b5eddd4b1faff813dbee7a0d

              SHA256

              bf713e3e5b7c209b0c1d458e705abc2cf3795997aa6df57e002bfe4e86290c1b

              SHA512

              850607a7f785c0c414d8c0b45b0a0245e01cad42c53ba0541051ad94a2f0265ae127a15fca916dd9af6b2a93a304bef4b5012f3f10cc32853b1067742822711e

            • C:\Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe.exe

              Filesize

              3.9MB

              MD5

              640066423ccb8a3e8feaf63e0c093349

              SHA1

              94c7e7c25c4576b0b5eddd4b1faff813dbee7a0d

              SHA256

              bf713e3e5b7c209b0c1d458e705abc2cf3795997aa6df57e002bfe4e86290c1b

              SHA512

              850607a7f785c0c414d8c0b45b0a0245e01cad42c53ba0541051ad94a2f0265ae127a15fca916dd9af6b2a93a304bef4b5012f3f10cc32853b1067742822711e

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              886eb3bf6157b45d4a041e1e32608c70

              SHA1

              f476a007366ac0349789b0e803ec46be523f457a

              SHA256

              a0e9eac517b54fe732db8bf9ceeb76c64a43e2e53bfd18b5a4ab0f8475f3873b

              SHA512

              6e978385b23d3054695eaf2209e92591a667ccbde747f69cb63ae28f2db3a362d136bf16afb41ceb8eb304161cc698853f9cb825a26cc683e9a693d07c190fca

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              886eb3bf6157b45d4a041e1e32608c70

              SHA1

              f476a007366ac0349789b0e803ec46be523f457a

              SHA256

              a0e9eac517b54fe732db8bf9ceeb76c64a43e2e53bfd18b5a4ab0f8475f3873b

              SHA512

              6e978385b23d3054695eaf2209e92591a667ccbde747f69cb63ae28f2db3a362d136bf16afb41ceb8eb304161cc698853f9cb825a26cc683e9a693d07c190fca

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              886eb3bf6157b45d4a041e1e32608c70

              SHA1

              f476a007366ac0349789b0e803ec46be523f457a

              SHA256

              a0e9eac517b54fe732db8bf9ceeb76c64a43e2e53bfd18b5a4ab0f8475f3873b

              SHA512

              6e978385b23d3054695eaf2209e92591a667ccbde747f69cb63ae28f2db3a362d136bf16afb41ceb8eb304161cc698853f9cb825a26cc683e9a693d07c190fca

            • C:\Windows\rundl132.exe

              Filesize

              29KB

              MD5

              886eb3bf6157b45d4a041e1e32608c70

              SHA1

              f476a007366ac0349789b0e803ec46be523f457a

              SHA256

              a0e9eac517b54fe732db8bf9ceeb76c64a43e2e53bfd18b5a4ab0f8475f3873b

              SHA512

              6e978385b23d3054695eaf2209e92591a667ccbde747f69cb63ae28f2db3a362d136bf16afb41ceb8eb304161cc698853f9cb825a26cc683e9a693d07c190fca

            • F:\$RECYCLE.BIN\S-1-5-21-2085049433-1067986815-1244098655-1000\_desktop.ini

              Filesize

              9B

              MD5

              a496dc6e67a7c97fe6b5f93f052c5de1

              SHA1

              91d1cbd786e4ca543f5d364b42273efd1be384c5

              SHA256

              f656a696c47b2c37afecab6674210ad082849577f4763b778f81ca947bef3e63

              SHA512

              850c4fe29e0fa3388cb06d91a85330c1ac5eed337d23d2b6ee3d74142941dba27a49485ecf4a8cc73800c8c22d207b6586447ee3b20443f9a0e355614a6a1cb2

            • \Users\Admin\AppData\Local\Temp\d1ba113efef403279542c4094f1a70c86059c03b91ed230ba26b9d27e8175600.exe

              Filesize

              3.9MB

              MD5

              640066423ccb8a3e8feaf63e0c093349

              SHA1

              94c7e7c25c4576b0b5eddd4b1faff813dbee7a0d

              SHA256

              bf713e3e5b7c209b0c1d458e705abc2cf3795997aa6df57e002bfe4e86290c1b

              SHA512

              850607a7f785c0c414d8c0b45b0a0245e01cad42c53ba0541051ad94a2f0265ae127a15fca916dd9af6b2a93a304bef4b5012f3f10cc32853b1067742822711e

            • memory/1224-29-0x0000000002190000-0x0000000002191000-memory.dmp

              Filesize

              4KB

            • memory/2352-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2352-12-0x00000000002D0000-0x0000000000306000-memory.dmp

              Filesize

              216KB

            • memory/2352-16-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-40-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-46-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-92-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-99-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-136-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-1851-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-33-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-3311-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2600-18-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB