Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 19:14

General

  • Target

    5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9.exe

  • Size

    63KB

  • MD5

    92030f53ded78fa160cdfac717fd6ced

  • SHA1

    c0fe36f5e43615d60afd663ac2763fbf46b19ea0

  • SHA256

    5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9

  • SHA512

    5ac4f1ea9f76a50e8ad40347956a83882fa7d7f0c7a247a1b0afcb82bdc2ca64151b11490db766ded74b05b01f1fa8aaad552c45d79202a57858f8ee2ede3e16

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPpq9khDRGadegghOgmgk:/3e+a+3dN5g9k9dehhOgo

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:1156
      • C:\Users\Admin\AppData\Local\Temp\5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9.exe
        "C:\Users\Admin\AppData\Local\Temp\5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2932
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2972
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3024
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1516.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2640
            • C:\Users\Admin\AppData\Local\Temp\5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9.exe
              "C:\Users\Admin\AppData\Local\Temp\5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9.exe"
              4⤵
              • Executes dropped EXE
              PID:2988
          • 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:2828
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2740
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2428
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2512
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2416

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Credential Access

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          1
          T1082

          Collection

          Data from Local System

          1
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            478KB

            MD5

            3e2d3392a9d3ae3ed27661f81e853478

            SHA1

            fa8c023a3bff75e89ed39f5d4bfb5693d818ca8b

            SHA256

            09da8a31b7f420b9e4ed6d02e698bcc12a4f3efa46a53d1492a241a5784d44a8

            SHA512

            27652a29d728b92995b8ce46b150cd14baf5b65789591085ef3fa959dbc99efaa071b7a014ccaabeb6e84cdea642769dc98a7a1684afcda9be82dbb0b8d3fa17

          • C:\Users\Admin\AppData\Local\Temp\$$a1516.bat
            Filesize

            722B

            MD5

            f7eb8d80acc6c39ffc1756ede4404e22

            SHA1

            8835112364a2e3358b6a244cfcbe7beea924b050

            SHA256

            65da5866bb14d103bed5eacb5019a4687687cd91dfd3e90b09127d72fbdf80fd

            SHA512

            c3a1b33e32b4c28ee573a39f08f50508ca6df4905752a91f98afe124081f916dac2cce7a143f3349dbfa328fcfc68d7b06696109bf58383ad0f942dbfc6a948f

          • C:\Users\Admin\AppData\Local\Temp\5ffde52bf550fc2091468f20c4eb44162c6d4eadb6ec9388f6fb0b6de6d764d9.exe.exe
            Filesize

            29KB

            MD5

            0cac659cc68e68ed44223ddb7343275a

            SHA1

            cb75dd7034e31eb575668f7c69b7d990653c0248

            SHA256

            7c32fe8ec1851e273763a2742a67a1f9c09a3725c9eaec76e22fcfc92dda7c88

            SHA512

            1c0c3b170bed3a3cbd7821dfa008e776df675f620afe85905f84f7d86b68b487206af0c6acf8207ae346b8ae7deb71a756128cb5c199bf648952d2c582aa9023

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1156-26-0x0000000003D40000-0x0000000003D41000-memory.dmp
            Filesize

            4KB

          • memory/2828-28-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2828-3315-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2828-4138-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2932-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2932-17-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB