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Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    18/11/2023, 22:57

General

  • Target

    f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe

  • Size

    168KB

  • MD5

    22dc8b195f3cfcebf6fb2fab2292c30f

  • SHA1

    a92f811d58932662ae0d33b4fc4326253b3b3fd9

  • SHA256

    f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e

  • SHA512

    756319f91f632f4ad9c3bdaeb56f1dfc07ade7cc2bbcbabd2e266e379e74b3019e36dd26c99634f9f60fce126f07824de109e5ad5f2a3a263392ed8e191b7e35

  • SSDEEP

    3072:AJftffjmNoxk2aACAMfVxHsjqUwkMejsRkCdvR0FlgHIRXmUa9Il6:6VfjmN92dMQRcR0FZXpw

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:1212
      • C:\Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe
        "C:\Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9F3C.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3056
          • C:\Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe
            "C:\Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe"
            4⤵
            • Executes dropped EXE
            PID:2608
        • 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:2548
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2128
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2616

      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

        251KB

        MD5

        4ce7099971ace528948a8a4aebc3ff9c

        SHA1

        27398895057cd20390efdd9221b9690d366e76f3

        SHA256

        2bb3ba284a7dcaf6fd29aa131aebd41b39b3f24ffc422468661b5bb3df3bd770

        SHA512

        678b183ecc43d9717d8e8defd2153247b4f4c1c179f4b95cea73524c3df81c823de728f2e18b25974f51cb217d683c45ede401c0250f4cae5d6f513e8cba45a4

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

        Filesize

        471KB

        MD5

        c6c8fde27f649c91ddaab8cb9ca344a6

        SHA1

        5e4865aec432a18107182f47edda176e8c566152

        SHA256

        32c3fed53bfc1d890e9bd1d771fdc7e2c81480e03f1425bce07b4045a192d100

        SHA512

        a8df7d1e852d871d7f16bae10c4ff049359583da88cc85a039f0298525839040d5363ce5ef4cbdb92a12a25785f73df83cf0df07752b78e6e6444f32160a2155

      • C:\Users\Admin\AppData\Local\Temp\$$a9F3C.bat

        Filesize

        722B

        MD5

        cf33be96ab879616eb462e77dcb3cc7b

        SHA1

        b2fc8328c5b281d90a1b6a5bcdd60bc23de74803

        SHA256

        ff3a402e7aa2cbd4664812aad4a3e8ca7daabd5f88a6a7d0a770f57b23a392c9

        SHA512

        803bd9edf1ece1e90e1a30db6ba0a40c836157fd18f0dd98ca91403d2315f0978faf888cc8df0596c2e5eda28baf674f5fb8c9886945ea187e25a9b89b495b07

      • C:\Users\Admin\AppData\Local\Temp\$$a9F3C.bat

        Filesize

        722B

        MD5

        cf33be96ab879616eb462e77dcb3cc7b

        SHA1

        b2fc8328c5b281d90a1b6a5bcdd60bc23de74803

        SHA256

        ff3a402e7aa2cbd4664812aad4a3e8ca7daabd5f88a6a7d0a770f57b23a392c9

        SHA512

        803bd9edf1ece1e90e1a30db6ba0a40c836157fd18f0dd98ca91403d2315f0978faf888cc8df0596c2e5eda28baf674f5fb8c9886945ea187e25a9b89b495b07

      • C:\Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe

        Filesize

        141KB

        MD5

        5a432a042dae460abe7199b758e8606c

        SHA1

        821b965267ee15c6c59178777ae7a8dcfc80f4ba

        SHA256

        6e5d1f477d290905be27cebf9572bac6b05ffef2fad901d3c8e11f665f8b9a71

        SHA512

        72823cc212c585a8080122c416e66fe28cb5a1787ae384d52b2068aec4a16944ed10731c622c1db0d8035aee7b5706bc7d2a4e6295a6ce3e50eb4895cc968c75

      • C:\Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe.exe

        Filesize

        141KB

        MD5

        5a432a042dae460abe7199b758e8606c

        SHA1

        821b965267ee15c6c59178777ae7a8dcfc80f4ba

        SHA256

        6e5d1f477d290905be27cebf9572bac6b05ffef2fad901d3c8e11f665f8b9a71

        SHA512

        72823cc212c585a8080122c416e66fe28cb5a1787ae384d52b2068aec4a16944ed10731c622c1db0d8035aee7b5706bc7d2a4e6295a6ce3e50eb4895cc968c75

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        edefa926ddb5dfe186d18e6203474ca0

        SHA1

        86c9f2eda46c448b917132afcc737f5a70265b2c

        SHA256

        56d13ff3abc7dbc60ec382fa1411f2baa07920a5a6fa3f34f49ce61386c815db

        SHA512

        3b4ffb3260e3ce6dadf94020953de7e59028ae110866a38e7e3fe38feefbe77c6f167ce60da06728935668c1d45272927501d9ef017379eb8b453be75a27486d

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        edefa926ddb5dfe186d18e6203474ca0

        SHA1

        86c9f2eda46c448b917132afcc737f5a70265b2c

        SHA256

        56d13ff3abc7dbc60ec382fa1411f2baa07920a5a6fa3f34f49ce61386c815db

        SHA512

        3b4ffb3260e3ce6dadf94020953de7e59028ae110866a38e7e3fe38feefbe77c6f167ce60da06728935668c1d45272927501d9ef017379eb8b453be75a27486d

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        edefa926ddb5dfe186d18e6203474ca0

        SHA1

        86c9f2eda46c448b917132afcc737f5a70265b2c

        SHA256

        56d13ff3abc7dbc60ec382fa1411f2baa07920a5a6fa3f34f49ce61386c815db

        SHA512

        3b4ffb3260e3ce6dadf94020953de7e59028ae110866a38e7e3fe38feefbe77c6f167ce60da06728935668c1d45272927501d9ef017379eb8b453be75a27486d

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        edefa926ddb5dfe186d18e6203474ca0

        SHA1

        86c9f2eda46c448b917132afcc737f5a70265b2c

        SHA256

        56d13ff3abc7dbc60ec382fa1411f2baa07920a5a6fa3f34f49ce61386c815db

        SHA512

        3b4ffb3260e3ce6dadf94020953de7e59028ae110866a38e7e3fe38feefbe77c6f167ce60da06728935668c1d45272927501d9ef017379eb8b453be75a27486d

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

        Filesize

        10B

        MD5

        efd2ef11e05f1e4e71c36b61f42f4b74

        SHA1

        66f050470e42f08b4f86a669c0c3e7739d334585

        SHA256

        c4d0fb64b84374af29c373ad1807dd661605dc6714e45c6617f7f5c537b9c5f4

        SHA512

        30402f761b30147ad56861e2c5da6b70c5a9056cf6b582a5c333b9f867259fd42bb2e18c8d8a43762a9365e7147d624e13f0356d307535863ba0b2c9567e486b

      • \Users\Admin\AppData\Local\Temp\f8719ffaf215d7f84bb520b9cb28b1fcb04e711ae4eb418895f3b07a5a30069e.exe

        Filesize

        141KB

        MD5

        5a432a042dae460abe7199b758e8606c

        SHA1

        821b965267ee15c6c59178777ae7a8dcfc80f4ba

        SHA256

        6e5d1f477d290905be27cebf9572bac6b05ffef2fad901d3c8e11f665f8b9a71

        SHA512

        72823cc212c585a8080122c416e66fe28cb5a1787ae384d52b2068aec4a16944ed10731c622c1db0d8035aee7b5706bc7d2a4e6295a6ce3e50eb4895cc968c75

      • memory/1212-29-0x0000000002470000-0x0000000002471000-memory.dmp

        Filesize

        4KB

      • memory/2040-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2040-16-0x00000000003B0000-0x00000000003E4000-memory.dmp

        Filesize

        208KB

      • memory/2548-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-44-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-90-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-249-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-1849-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-3309-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2548-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB