Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 09:14

General

  • Target

    57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32.exe

  • Size

    717KB

  • MD5

    ef8f03c5889898be3b313c3c0c92536f

  • SHA1

    3a06ae848105787640256521c1c52e745d819ada

  • SHA256

    57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32

  • SHA512

    ca093fc94c3a1ec3099d9c2abe1b6760c2b087fa202176486c92680377b5a040eb684f271d97b8ffa18b6babf8b44ec58f070ea401080be9578fa7eb89b64ea8

  • SSDEEP

    12288:h+aGfC6Aj+TN5uixZN+8rKhUdTC/wE1ZD0Ca5ZIXV:hBaLOS2opPIXV

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 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⤵
    • Executes dropped EXE
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32.exe
      "C:\Users\Admin\AppData\Local\Temp\57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
            PID:2668
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a27BC.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2524
          • C:\Users\Admin\AppData\Local\Temp\57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32.exe
            "C:\Users\Admin\AppData\Local\Temp\57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32.exe"
            4⤵
            • Executes dropped EXE
            PID:2500
        • 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:1168
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2536
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2800
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2432
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2556

        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

          477KB

          MD5

          c6c3f9890c41439a4dfc9fd4bec7b0bd

          SHA1

          f5c4a05f34d1a08abf73514f5b3ddcedc704f2f0

          SHA256

          462f333d5748c1a756e2565a2d76f89c9fdafb8d2fa62a83c60e4f70d0da2f92

          SHA512

          69212e26a76e5e67e2b1337bfd97ad766293d6c0093ce0d8ef5fa768cd002094d9de936620a479bb474e27ff359b08d751ccfe37b9a15824f39b548596a9098a

        • C:\Users\Admin\AppData\Local\Temp\$$a27BC.bat
          Filesize

          722B

          MD5

          e928bde956455f6f1ca27619c5dc6487

          SHA1

          869d5574acdd8b82daaa4891e1002680ad1a0d21

          SHA256

          dab5735e591ad80fa6d48aed2bd8f8e17ccf9d68e785a8a5c80aec90bc10905c

          SHA512

          f5a70b6ba95354783f77bfd1370322b7ab3163aafec9026ab4b904448e11d66a237fc3debd880846d9cfe7aaa3f5b680f503a538c25ecfa1b15541e6da7a95da

        • C:\Users\Admin\AppData\Local\Temp\57ce7c1ae7481d8e9e55b87fefd55125dfc2218d08f6076bb987fd50572e9a32.exe.exe
          Filesize

          684KB

          MD5

          50f289df0c19484e970849aac4e6f977

          SHA1

          3dc77c8830836ab844975eb002149b66da2e10be

          SHA256

          b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305

          SHA512

          877d852ea1062b90e2fd2f3c4dc7d05d9697e9a9b2929c830a770b62741f6a11e06de73275eb871113f11143faf1cb40d99f7c247862ffb778d26833ed5d7e38

        • C:\Windows\Logo1_.exe
          Filesize

          33KB

          MD5

          90af05e3cb7c1f99e93cf30628c6ff6b

          SHA1

          78f626957a968034343f4a6b8ebe3fd9169fe383

          SHA256

          f9db023feaf3209cb67c9e4871d64ca281d11b93b1ba7a4914dd1b084801d62b

          SHA512

          4b3b569b9983d6d01880e31724803db3880594e10a99bf0ee04f6ec8e7d84c9572c618419678298d4bbf31c4c7fc0ca68dfa7235d3889200a89ced2afabb70bd

        • F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini
          Filesize

          9B

          MD5

          7d02194d5f21d1288ee3e3f595122aba

          SHA1

          68e51fcc75148bf51da5ad67c7137b85946fc393

          SHA256

          a4da2cd5e1bd5b7cc915b0572d2805cb074c16122fa7e5a41fbc1203aafc3416

          SHA512

          b5aba933dbbe76d9c49da7e4bd9aa8449f164d1a6563feb65e795fd497f42a5c8cc317186adf817990a180e46499987a7403b68b0b089a38ccda0fc9f2dd6c1c

        • memory/1168-18-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/1168-32-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/1168-3319-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/1168-4143-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/1172-29-0x0000000002DA0000-0x0000000002DA1000-memory.dmp
          Filesize

          4KB

        • memory/1948-0-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/1948-17-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB