Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85.exe

  • Size

    285KB

  • MD5

    aea4e4fe9ceeb83c8a15124829eaecf2

  • SHA1

    3df97a6932a16008a6e5b37b376497cb7a313d05

  • SHA256

    89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85

  • SHA512

    d721a3a75699d97f365163c791d627e8638bb131abaa6c51f17256e28ebe043d766e96013e526319dc54464c833ebd7d440fc48157da6f883620e7868ff77337

  • SSDEEP

    6144:m+aMEMTi0+lfh+L5qe9T5q4GAFzWTBPMmC1UC6fOaU:m+aMEMTi0uhMqe9ts2zWTpMmCG7W

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:1120
      • C:\Users\Admin\AppData\Local\Temp\89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85.exe
        "C:\Users\Admin\AppData\Local\Temp\89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2064
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a16BC.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2556
            • C:\Users\Admin\AppData\Local\Temp\89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85.exe
              "C:\Users\Admin\AppData\Local\Temp\89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85.exe"
              4⤵
              • Executes dropped EXE
              PID:2576
          • 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:2612
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2572
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2752
              • 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:2432

          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\$$a16BC.bat
            Filesize

            722B

            MD5

            e2b8d55e8fd96238a39f8a2ece843b81

            SHA1

            05077b7ab2f4bf992e78cb2d9d5d5babb46a81fd

            SHA256

            a866a23f9c9ce0ab087b9b6bff6c044bc9b2e877108ac727dc6d3a20e76472f8

            SHA512

            e55625a43e3922d7b7b21c8a1acc77e1bd6b0ecd908d96222e205391358a8d55fe8787afb0321527d1a31948279683a85b6fd03bd37809eadcc94d852301170e

          • C:\Users\Admin\AppData\Local\Temp\89de61ea86b7a2d11cd9936005ce43b82f2c82deaea84d68c278a6c715c9af85.exe.exe
            Filesize

            252KB

            MD5

            9e2b9928c89a9d0da1d3e8f4bd96afa7

            SHA1

            ec66cda99f44b62470c6930e5afda061579cde35

            SHA256

            8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

            SHA512

            2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

          • 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/1120-32-0x0000000002BA0000-0x0000000002BA1000-memory.dmp
            Filesize

            4KB

          • memory/1656-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1656-17-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2612-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2612-35-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2612-3323-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2612-4150-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB