Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 19:17

General

  • Target

    ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38.exe

  • Size

    58KB

  • MD5

    3337133f9b591b9870a56fcafbcbb815

  • SHA1

    bbc23d2e2989c18b76cde39f1910e212d8525453

  • SHA256

    ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38

  • SHA512

    9a3ef2523ca047ba9af1b2ec95ea6f749430b8ff5269c3b956930d4adc0ad63120ff4a7279ff029533bb27faa5e4e1dbf0667912fbfd118a440fcafd710e94b2

  • SSDEEP

    768:/qLPcTO5RroZJ76739sBWsNscWlM3dN9N3ZjfPPdvo7TnIuSjvgkGOxJVqL4IbM:/qbSe+Zk78NR3dN5nPdvOnl6vAOxJ0lM

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:1196
      • C:\Users\Admin\AppData\Local\Temp\ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38.exe
        "C:\Users\Admin\AppData\Local\Temp\ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2912
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2948
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1FFF.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1148
            • C:\Users\Admin\AppData\Local\Temp\ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38.exe
              "C:\Users\Admin\AppData\Local\Temp\ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38.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:2592
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2600
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2452
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2472
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2216

          Network

          MITRE ATT&CK Enterprise v15

          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\$$a1FFF.bat

            Filesize

            722B

            MD5

            1309cbdd1a311186b95d419f183713df

            SHA1

            5ff620b1dd044be083df4017c06cd944593be885

            SHA256

            b573eba18680ae114774417a12e2c37f18907588fd801ab178c0b3a88da2905c

            SHA512

            853e3b28a58aff24edbaaeeed4be6e7013f5f77a013b9a938fe9332918b95e67038ea0ffb7229a93a3a94902d8b368ec16e9db0233242ef35e2a4022fc4558b9

          • C:\Users\Admin\AppData\Local\Temp\ac365fb474a099e459b91bcdd86d7ee147db558a0bae2e7ebb22cff6bcf21e38.exe.exe

            Filesize

            25KB

            MD5

            6ff84be315cfafbbdf36aa01af8389e7

            SHA1

            2c550a4059ac331f5f5c9d3f218e0f6184aa27c9

            SHA256

            47c67c1c88ceaee3cf1667bf956a3e11a84dea2f7c2afc634777aa5f1bf65c76

            SHA512

            72498b009573a9cc9b5554e61d56b68f273682bfa2e13808f4abd5b2171aa59dd4a64bd9f68a3a416cfaceacb0041df918d8a84f28a5fa7f204fc562c5b6b174

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\_desktop.ini

            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1196-30-0x0000000002E20000-0x0000000002E21000-memory.dmp

            Filesize

            4KB

          • memory/2592-33-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2592-20-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2592-3320-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2592-4135-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2876-17-0x0000000000370000-0x00000000003AF000-memory.dmp

            Filesize

            252KB

          • memory/2876-18-0x0000000000370000-0x00000000003AF000-memory.dmp

            Filesize

            252KB

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

            Filesize

            252KB

          • memory/2876-19-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB