Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    27/06/2024, 19:38

General

  • Target

    1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719.exe

  • Size

    93KB

  • MD5

    a1d1ea48d0c92c08c99cc67c1f58c5db

  • SHA1

    873ececf800bd639b0583bae2641df02f58c36da

  • SHA256

    1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719

  • SHA512

    8c4d79e2c47e71e23631b633270cdc5a07be1a1b9888520ee3c7dd77345fa4079f47eabdbf5d38039d8246aebc41f86fcfcbf3a351a3410975a8c1f4a9e853c0

  • SSDEEP

    1536:ctTFsxN92ppTSahtA3AWHB0UxMkzOt7HcvJGt5AdHIOWnToIf12Z9:c16NIv7MwWhAWJGSCTBf12Z9

Score
7/10

Malware Config

Signatures

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1232
      • C:\Users\Admin\AppData\Local\Temp\1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719.exe
        "C:\Users\Admin\AppData\Local\Temp\1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2368
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2424
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2892
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1239.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2776
            • C:\Users\Admin\AppData\Local\Temp\1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719.exe
              "C:\Users\Admin\AppData\Local\Temp\1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719.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:2848
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2880
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2596
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2972
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2616

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            258KB

            MD5

            d1b326bb608a3354437f032ccf3cee89

            SHA1

            58dd89d939e180fd84c30d4adbeaaaf8ebfbbb26

            SHA256

            40e1de27dc92431138539f86ccd5b9f4dcdcdc6da4ef142a29dbf9043d69bce5

            SHA512

            85771390400510a38b5bafb0eef63c1b11a5eeaaec9f5fbdcd735d6625971135d237a62f2f357ad912282151bfd351b901a0facd99e4f068f09e3716c8a7473a

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

            Filesize

            478KB

            MD5

            85bfd80e5e2a61689d1273c6efa51ccc

            SHA1

            8ae8a160124cc56983f24a933fbecdac08da435a

            SHA256

            892cf1575e0cc60639951f9a5a37323f3ca7d06f335e8a39635c3b858596ea3c

            SHA512

            96dd851f4d17a65aa6dfddfdc134a46d30b0417451b4c4b31092b66056cae59302d49b706294547e5766e347dc368ff4bd176d90376c5e2ad5c7a52aa8718a79

          • C:\Users\Admin\AppData\Local\Temp\$$a1239.bat

            Filesize

            722B

            MD5

            8c53a688dc74b4022a8acd4f332bb7d9

            SHA1

            7657bf33847523098913884569892c387c0b2027

            SHA256

            a0e12fd43a9be49cfc75ee59f52e759a406cc424ae449d9a3f4d7954cfa979cd

            SHA512

            68874516b3b43e846ab661d1accd865001052433e2d7693dd7608c8ff8691e18ce4ec425082314f2876b33446a30f2d56fcf25ff3312f3630bae74824cfdd21e

          • C:\Users\Admin\AppData\Local\Temp\1904a2fe3d552407465d90c186bda07d4c353733358834919faf5a4162167719.exe.exe

            Filesize

            60KB

            MD5

            ed0fde686788caec4f2cb1ec9c31680c

            SHA1

            81ae63b87eaa9fa5637835d2122c50953ae19d34

            SHA256

            e362670f93cdd952335b1a41e5529f184f2022ea4d41817a9781b150b062511c

            SHA512

            d90d5e74a9be23816a93490ed30c0aae9f7f038a42bd14aa2ce78e95967b4aabd848f006f00ade619c9976755658d45aa0f5b6d5babbbb2d59a6ed3a3a12ac6b

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            164dcc3e93f94c54763d5a450d132c2c

            SHA1

            646517979f15f47744437e9f1a6e95a53dec3b69

            SHA256

            63a6022b7d3ec4cd5355b8844bf1ef9f93363fbd9ee1a5d09815de70abda8cd6

            SHA512

            33785e5e7c26af4d6a5ef5f2504200fd213c8eaf2204e828280fcdb955a032b87fc627cf1c32fdf11cc921715850151098c10691274cd8e78660b538f0381635

          • F:\$RECYCLE.BIN\S-1-5-21-2812790648-3157963462-487717889-1000\_desktop.ini

            Filesize

            9B

            MD5

            7d17b811a66f09661920bf5af1f95ae9

            SHA1

            f974fb71f0c9242357d308243f16d5509a0fb040

            SHA256

            1ffbf32a83283a76202c268eb3ea579c4b39aa6fb11fc42ad18318286fbf749c

            SHA512

            019689bb28dd360a9b3fe6696944854f806ebe877734f4f8533f7c2508d371049a96f6c7bd5dda908ab91686dbfba4a54335cbc6c4d649775e62912f0af730e3

          • memory/1232-29-0x0000000002E00000-0x0000000002E01000-memory.dmp

            Filesize

            4KB

          • memory/2368-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2368-17-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2368-16-0x0000000000440000-0x0000000000480000-memory.dmp

            Filesize

            256KB

          • memory/2848-19-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2848-33-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2848-3002-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2848-4156-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB