Analysis

  • max time kernel
    149s
  • max time network
    120s
  • 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

    6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700.exe

  • Size

    66KB

  • MD5

    10efd615d698f3583d43122905516ad7

  • SHA1

    8a8d15e987967653b82caf19a679a904f6a80466

  • SHA256

    6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700

  • SHA512

    b209271fa75f5ca0343d40b82f3d8dc074fd833bbba974a6b703f5e0ac7e82b3f1e52bccb58a6f4c234bd0a73b75920fd1b543a7155692a869534b120de05daa

  • SSDEEP

    768:/qLPcTO5RroZJ76739sBWsNscWlM3dN9N3ZjfPP02KG6KzVSVxhMXYkUEt6HAkxV:/qbSe+Zk78NR3dN5nP02kKzs2Irj5hN

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:1092
      • C:\Users\Admin\AppData\Local\Temp\6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700.exe
        "C:\Users\Admin\AppData\Local\Temp\6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2552
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3052
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2512
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a15D2.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2712
            • C:\Users\Admin\AppData\Local\Temp\6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700.exe
              "C:\Users\Admin\AppData\Local\Temp\6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700.exe"
              4⤵
              • Executes dropped EXE
              PID:2664
          • 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:2876
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2696
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2588
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2540
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2116

          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\$$a15D2.bat
            Filesize

            722B

            MD5

            6f87d4c091467553fd1e79deaf593edd

            SHA1

            871738c08750d68c03eeee97e7fe71fbb1b24bef

            SHA256

            52df39782d9a792d1ac5c8ea65cce33d14d42c64e18f7f4b6b2e22efcdc09927

            SHA512

            9ffe0cc59299a64754f84071efe845afd657b9af0b3635770793c5c3fc0ff39c379f98663a4ccafc778b83bbab2f378a637a8dca0ae1a2a6c2fb1a5532fb0304

          • C:\Users\Admin\AppData\Local\Temp\6c72d9270c088543fefbd3a7bf6fe4861a9393bccf13decdb7f75d008a780700.exe.exe
            Filesize

            33KB

            MD5

            97ec61761e1fdfb2f1d4ea4d221a43d1

            SHA1

            d6e1682a8dd967bdffe8c145731fb9ea1d0a3509

            SHA256

            1f3069b596484ffa16181226b07c67ee1cb0f41d191ddde7c02f6bb75336cc52

            SHA512

            7d34cc27dce09e2711d76f39c5f44525937ac15723aaedc303c154223f3ec42e6043374582614cc3067795781a2daf6ea8935f3f3b0a8747fa783cedf36090a9

          • 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/1092-27-0x0000000002D50000-0x0000000002D51000-memory.dmp
            Filesize

            4KB

          • memory/2552-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2552-17-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2876-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2876-31-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2876-3318-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2876-4143-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB