Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe

  • Size

    37KB

  • MD5

    1f01c98b529a943a1aacc77b61e9bf3b

  • SHA1

    9777358a159c27826960a2745396a29532742900

  • SHA256

    4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2

  • SHA512

    49e3dcdca73917a709a486668d08e71b2fee60514c295df033b3cd0d43dc5528c62669e0a42075aca95c86607672ce6aac8dbbbdb4d2f85d4d62b90f8b7bebcc

  • SSDEEP

    768:/qLPcTO5RroZJ76739sBWsNscWlM3dN9N3ZjfPPdn3:/qbSe+Zk78NR3dN5nPt

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe
        "C:\Users\Admin\AppData\Local\Temp\4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2936
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2756
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1BAB.bat
            3⤵
            • Deletes itself
            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:2588
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2820
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2720
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2544
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2616

          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\$$a1BAB.bat
            Filesize

            722B

            MD5

            c8aad18f3c78320619c0a9159887b466

            SHA1

            8b466f6664592c29af228a742209fa1a4169624c

            SHA256

            bc17ff15ae35226838d4f71f3483495854229dff56dc07b4da5c021488f2c348

            SHA512

            d4194c53fad6959da4a5d78d85f9fa5b9429a2b9513ccae904df883640cb75e13f4d39422fa694a59284a7bfa6eae6208d11ec973da1ab1581b214e91ea935a1

          • C:\Users\Admin\AppData\Local\Temp\4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe.exe
            Filesize

            4KB

            MD5

            99b96f7f497e9e216da4b7c9979810e5

            SHA1

            2c424f82747581db2b35673eb22ba321d573944b

            SHA256

            7c3300179b3d9ab57042a5f026a69fac3b0e2e783e94853ff109a29d2d3f541b

            SHA512

            90a0b888f474fa5505f39ca7575635a7ea839e4e23cf9d573c99d7b3b226036fb0b82e17900012aed9fe1c8b4985488e22df0421ad66dbff9d4fcf4be0455212

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1204-25-0x0000000002580000-0x0000000002581000-memory.dmp
            Filesize

            4KB

          • memory/2588-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2588-29-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2588-3316-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2588-4141-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2880-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2880-17-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB