Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 15:22

General

  • Target

    3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe

  • Size

    395KB

  • MD5

    3c0ee685b37630860d3802ef778d80b4

  • SHA1

    44d54190c22f4ea76acf7e8c9692b5eab635533c

  • SHA256

    3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a

  • SHA512

    4e446710929a0a7b63922fb078a531c54ec9a74d5d243c489c3ea09a74c59578bca689707dd87a2c9750fe14818eb7ab84531cce37874fc6ea0950f001560a8f

  • SSDEEP

    6144:U1qe1ISp3vSaf13uMlNUmw/8VbI168xBDb2O7fcCnDtIetOfs5:U1quIQJf1BNUZ51ZpIfs5

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe
        "C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1576
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2056
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1144
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a3478.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe
              "C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe"
              4⤵
              • Executes dropped EXE
              PID:2712
          • 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:2364
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2636
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2512
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2692
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2880

          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

                  f44aac5207fae774b320093a814fe8ce

                  SHA1

                  836a7d71f3853f69ea12919a7d5289fac24cb241

                  SHA256

                  666ca0e926bc557503309ada0633c33844d0feb048c815c503f381a0bf6ebddc

                  SHA512

                  ae387ac2a8dc838c30cb1869eca33c63d4a0a03d0e6d20ffe65650846abf55fe18d22599cd94747595ceaa27b802d3505230c4a0469cabd3037ee761215aa500

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

                  Filesize

                  478KB

                  MD5

                  5e54b5419052a6321d15fe6088be5258

                  SHA1

                  420003c0ad68fa2b977bee9e2ca2d1a53f8f1ec2

                  SHA256

                  142a70f95c82ea8acba8d3550273a20411a5b82f6d1b1c9657db51c3f83d5d97

                  SHA512

                  6d2d2025ed17d6f730d3fbb3a5549e60cfe951c7d9e0063f4ecca045ee28a375eac11fb9aa9cc484b181369165a0f7abae967807bad16aac0e4b60b7a8092f71

                • C:\Users\Admin\AppData\Local\Temp\$$a3478.bat

                  Filesize

                  722B

                  MD5

                  4342fa870f053f2339dd280e0aad590c

                  SHA1

                  09b734094a2349b79cf2685e7926122c37358325

                  SHA256

                  1f05f50dd815c1267f54fb8c2e7adb2b59d706a0242fa79af9714ce0ce61b16a

                  SHA512

                  21f9abc3cbbb10e70df8cc0f3902c049e3e6ddd0f98724cbfdff006c49a186a79bad3df9d53105c26aa284f1058f34df06cfd2eedb240ff61eb50385151b10a4

                • C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe.exe

                  Filesize

                  362KB

                  MD5

                  74ef4f47266f9a5150cfe27689ab7403

                  SHA1

                  acff944d2500fb644dcffec2096f6ff5335d034e

                  SHA256

                  efaab49499d7332bf82854f7c9edd179155bbc00fba7fd377ecebc3711ce0839

                  SHA512

                  1b9b47351af2fd19e9154c91c86e3e83c476f0760fe53a3b5b05b03823ebfb09316b5706e879bad4f725d0d9caa670bc21bb21661d80f569f2ac1f05e446b1cc

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  f5a21d2ae39e85a9b986aa3060965b87

                  SHA1

                  b22d04580bfbcbc846d18f96ba92018cb1a8138a

                  SHA256

                  3e02caf1f845080b75cf865164adfa1c4855d5b6cab6af1664a97c37f3bab646

                  SHA512

                  e0bfbe521ca648fe2dabe227235e758d5663c8573440df8b9217f033cb005aaa7b802f7ad9d85bbedaef0ce73503f7a82923623d25483d4d665b0495fcfd5c6f

                • F:\$RECYCLE.BIN\S-1-5-21-3691908287-3775019229-3534252667-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  fa1e1ef0fdda97877a13339b28fa95e5

                  SHA1

                  7e2cffca41118e7b2d62963bd940630b15b85653

                  SHA256

                  968b715c081472526487d60da8968e9b3bde2dac103f69beb3f6abe6ef7bc191

                  SHA512

                  3d55913a97aa89a7201342705640c1d031d19ad8aca4939219067f84e3fe118f47b4e388f490f69f605683d3854425c3de188f731886405474ae8e3d42c86f4f

                • memory/1204-29-0x0000000002EF0000-0x0000000002EF1000-memory.dmp

                  Filesize

                  4KB

                • memory/1576-17-0x0000000000440000-0x000000000047D000-memory.dmp

                  Filesize

                  244KB

                • memory/1576-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1576-18-0x0000000000440000-0x000000000047D000-memory.dmp

                  Filesize

                  244KB

                • memory/1576-21-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2364-33-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2364-20-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2364-3309-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2364-4137-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB