Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 14:29

General

  • Target

    3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1.exe

  • Size

    66KB

  • MD5

    0874b7ecea4c484aee79f8300e8a0052

  • SHA1

    7dd41f39097d80e485cf91dfc71799cc384d4ec6

  • SHA256

    3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1

  • SHA512

    182b1031513a2553dfd958eb3ec7d0fdf6135e495650631855e68e84834da97fdf029f4accb00d6e7f9fee475e1398f5b1ef850a1c37b2b3bfd4066888213463

  • SSDEEP

    1536:/B/srz8VuJlMXaDuiNBawuzXv4exFRKnFUs:/BC8ulMXaKmawuzX+nFj

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1.exe
        "C:\Users\Admin\AppData\Local\Temp\3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2144
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5112
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4356
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3393.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1440
            • C:\Users\Admin\AppData\Local\Temp\3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1.exe
              "C:\Users\Admin\AppData\Local\Temp\3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1.exe"
              4⤵
              • Executes dropped EXE
              PID:2844
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:2044
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2908
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3116
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1212
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2228

          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

                  258KB

                  MD5

                  a250aa2897bf08c76a4de6de8562286e

                  SHA1

                  2dfca956f87c670477e8b3d31bd0664018ca0219

                  SHA256

                  65b18c4626b691c78ebd76f4f497f4f54e0dfde43371102719087cbda44e1c69

                  SHA512

                  004dca009b53b4b3040fbb84eff848b984fc94ae377c316bfaefe47c648ef826e346202088c656482ee63e6ef3f470896dc577fe4a62e2bec2e2d46fd5d9d5fc

                • C:\Program Files\7-Zip\7z.exe

                  Filesize

                  577KB

                  MD5

                  f5cd4b8afd67e658b3c7be2094267c91

                  SHA1

                  f0a872a7092451484947ff716abed2114961440f

                  SHA256

                  4176f538c619fa1306a09a4235aacb6136a0de4809ab9d74b2f5cb1d70aeced6

                  SHA512

                  cfcb3632926135612b478f7f152d7d8ace706889f648c617450ec4af53c93108f167e787b3d7ff22eac8845dc908000cd7658e1ae7c399429da08a63f3808df7

                • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

                  Filesize

                  644KB

                  MD5

                  11e0853d537d2721ecc655c1fc527e91

                  SHA1

                  c8e23d103e93073ba7c93374878ae9a9f926c944

                  SHA256

                  f168cda7cfa0f4f1d8dc26f615772410afe41b43fbc3da3cfe2c249b1eadca30

                  SHA512

                  3e5af85789e480d355053e9ded02108ae53136aec795d5d37faf1d5426275f7f3729e5583b0a95b3434d5b4452c7382405c0f8bc94e8a65275335c62268e0ee2

                • C:\Users\Admin\AppData\Local\Temp\$$a3393.bat

                  Filesize

                  722B

                  MD5

                  1e99cb793481fe6c7765602462bf14b5

                  SHA1

                  f0c0bd00c46bb34ad0fc6acfe635f316355ba41c

                  SHA256

                  b3c7f292d244a71077dffb9f3c47a48266800f2609ba92dcf5e18c07d466c058

                  SHA512

                  b37d009845e5e291d56a0216186e1248a4496e22251760b817793b5b7c6af613d4b9ce5f3a1e8c4d1585bb64e31dca17f22a758df87289bc9ac504c9a924820e

                • C:\Users\Admin\AppData\Local\Temp\3ac0c538cf211a94e3e0556660451bae8c000a4c8b9c473441bc5e43d3550cb1.exe.exe

                  Filesize

                  33KB

                  MD5

                  b75565755e44111ff6391268f3b06555

                  SHA1

                  dac07f50782f2e0752183abb71bec345f0d7d68c

                  SHA256

                  d4872cfc8a2f10e65a08f85abcea303f74da34848e5f70b4c52fb8a1f9472638

                  SHA512

                  4e8ae9574837a6359b89925d5be835a292a42f7bdac248ef2d67e7895c538e7a0ecb038e5ab0367cdb172654bfaa1eec8fefee60f100574d791a5be83c20688f

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  90ec7c50aec83a0f7624ef99fbf56efd

                  SHA1

                  c27225e22d2b67947763a6807ad30315ca37c7ff

                  SHA256

                  92980a159169e0859fbea14aeece4d664bd6b190ddae4e0433bb9329a428d3c9

                  SHA512

                  f916293e2bb72eef430c11bd0567fb656e217147e8069f1ef7a4f3cd5d6b25b52992126ddd88ad6b8dbbc57be1b2ab06892897277f81b03ca34056747d2be96d

                • F:\$RECYCLE.BIN\S-1-5-21-711569230-3659488422-571408806-1000\_desktop.ini

                  Filesize

                  8B

                  MD5

                  5db3a6182cd872eaab6e2e7df1096b6c

                  SHA1

                  3e324dd00c5b4aa1e4bc5176310a642cefbc8c2a

                  SHA256

                  734417b13fb0508f286fe107625febab857319f967d8c512786c7a45f8c575bf

                  SHA512

                  2216f82eee3214ae8bcca36317dada5873b818cd0fb23ebab360998fe0a1d1108172a7ea274bd56606f632cea033f347c0913dff9f0538e99edb4641c92d8149

                • memory/2044-11-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2044-18-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2044-5222-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2044-8706-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2144-0-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2144-10-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB