Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    02/09/2023, 09:21

General

  • Target

    3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe

  • Size

    1.2MB

  • MD5

    9b132130d596f1267c033e6836c6dae0

  • SHA1

    f79117f9afb7988bcf3dec3bedf7f630919986b3

  • SHA256

    3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438

  • SHA512

    a01b28c0e5f189e0483752b48f7d1cc92a216d96b682aa55ae5e7fcc745ad37331c3f628d0d913271ee48d0842abdc50aa226714fba460d3afe7fa3bdf4f8476

  • SSDEEP

    12288:bwuNTkUqw8FOw2uRpfd2PSKWcRn8FvhPkCBZg87KvQSqWy/SUfo3MA+nkzixGy3:b9Ww8Fh2uRpMPSJcx8FvdlgGCh8hfZGA

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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe
        "C:\Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2444
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a312E.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          PID:2468
          • C:\Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe
            "C:\Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe"
            4⤵
            • Executes dropped EXE
            PID:2720
        • 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:1708
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2360
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2808

      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\$$a312E.bat

              Filesize

              722B

              MD5

              c92272e2614eb3af7df7e8a7d267e242

              SHA1

              a6628354eeebab853dc2070e0784eaf651f231de

              SHA256

              23382b590075209111ae0a10a1173e397474d498fda4aceab48bf9e20ae1451b

              SHA512

              1662968673b8601a4ed529d71d5beae297a4383b7ee262ab0ff8de06251d3023772911ec95bb553e02c16689edc9ee31f9b3b27c95d7169ed3f8b7fab38a435b

            • C:\Users\Admin\AppData\Local\Temp\$$a312E.bat

              Filesize

              722B

              MD5

              c92272e2614eb3af7df7e8a7d267e242

              SHA1

              a6628354eeebab853dc2070e0784eaf651f231de

              SHA256

              23382b590075209111ae0a10a1173e397474d498fda4aceab48bf9e20ae1451b

              SHA512

              1662968673b8601a4ed529d71d5beae297a4383b7ee262ab0ff8de06251d3023772911ec95bb553e02c16689edc9ee31f9b3b27c95d7169ed3f8b7fab38a435b

            • C:\Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe

              Filesize

              1.2MB

              MD5

              a51cd5d5d0d731a48ff85bc636f6857c

              SHA1

              980018a6fbf1122e7d5fc5d5cdb01ae212d80b70

              SHA256

              92345a3ff8ee21ed4f830f4a581c8f385536c00e492f078f542d2f5e72229529

              SHA512

              04d7c8787c0f44fcc7d2fe4a10016c1b72f9356987148f9e133d6b8e438c60a16c0a931f00129f0cf3b80fe19c941f7445fe1240b9b1c8eb7e1636e7b25ac947

            • C:\Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe.exe

              Filesize

              1.2MB

              MD5

              a51cd5d5d0d731a48ff85bc636f6857c

              SHA1

              980018a6fbf1122e7d5fc5d5cdb01ae212d80b70

              SHA256

              92345a3ff8ee21ed4f830f4a581c8f385536c00e492f078f542d2f5e72229529

              SHA512

              04d7c8787c0f44fcc7d2fe4a10016c1b72f9356987148f9e133d6b8e438c60a16c0a931f00129f0cf3b80fe19c941f7445fe1240b9b1c8eb7e1636e7b25ac947

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              a0a84e76a495cbe3dd66615625e80be3

              SHA1

              e17712c6939d13dc78aa8306871ff685c9cf00b5

              SHA256

              908960608aff75cbb5bb3855d25f86dbc86847905b1c6bcfbe4da648e58c507d

              SHA512

              b3c066856ff1bdff4b8825ab8e849a95ad2133e6e104d14b88e750792479690e2cf9d807f197adfdd73549b706774150e2574973e750c7f4e0c71bed95e9faa2

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              a0a84e76a495cbe3dd66615625e80be3

              SHA1

              e17712c6939d13dc78aa8306871ff685c9cf00b5

              SHA256

              908960608aff75cbb5bb3855d25f86dbc86847905b1c6bcfbe4da648e58c507d

              SHA512

              b3c066856ff1bdff4b8825ab8e849a95ad2133e6e104d14b88e750792479690e2cf9d807f197adfdd73549b706774150e2574973e750c7f4e0c71bed95e9faa2

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              a0a84e76a495cbe3dd66615625e80be3

              SHA1

              e17712c6939d13dc78aa8306871ff685c9cf00b5

              SHA256

              908960608aff75cbb5bb3855d25f86dbc86847905b1c6bcfbe4da648e58c507d

              SHA512

              b3c066856ff1bdff4b8825ab8e849a95ad2133e6e104d14b88e750792479690e2cf9d807f197adfdd73549b706774150e2574973e750c7f4e0c71bed95e9faa2

            • C:\Windows\rundl132.exe

              Filesize

              29KB

              MD5

              a0a84e76a495cbe3dd66615625e80be3

              SHA1

              e17712c6939d13dc78aa8306871ff685c9cf00b5

              SHA256

              908960608aff75cbb5bb3855d25f86dbc86847905b1c6bcfbe4da648e58c507d

              SHA512

              b3c066856ff1bdff4b8825ab8e849a95ad2133e6e104d14b88e750792479690e2cf9d807f197adfdd73549b706774150e2574973e750c7f4e0c71bed95e9faa2

            • F:\$RECYCLE.BIN\S-1-5-21-2180306848-1874213455-4093218721-1000\_desktop.ini

              Filesize

              8B

              MD5

              6bdc569e34ba772e6a02bf98e5269208

              SHA1

              d6e9053ccd9906f78c9f4dd12414246f31622d49

              SHA256

              a2f6c9ea9fb63e52c84ba26b60450f841bafcf7378af3f8310c32c86701dc148

              SHA512

              d25858c63ebf7077fbf1a96c3fbb6577cab1ebd3d133f6982672e6c721bebee655028a8f35292c1c3fc1d3d1a166256da32a54e3981c453fa0b30df3b2278ee0

            • \Users\Admin\AppData\Local\Temp\3254d014eb001868dbfce3df28ef1e96d533955a4bafb44e048e86435aaa2438.exe

              Filesize

              1.2MB

              MD5

              a51cd5d5d0d731a48ff85bc636f6857c

              SHA1

              980018a6fbf1122e7d5fc5d5cdb01ae212d80b70

              SHA256

              92345a3ff8ee21ed4f830f4a581c8f385536c00e492f078f542d2f5e72229529

              SHA512

              04d7c8787c0f44fcc7d2fe4a10016c1b72f9356987148f9e133d6b8e438c60a16c0a931f00129f0cf3b80fe19c941f7445fe1240b9b1c8eb7e1636e7b25ac947

            • memory/1192-29-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

              Filesize

              4KB

            • memory/1708-91-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-31-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-21-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-39-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-45-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-98-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-186-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-1850-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1708-3310-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2444-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2444-12-0x0000000000440000-0x0000000000476000-memory.dmp

              Filesize

              216KB

            • memory/2444-16-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB