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Analysis

  • max time kernel
    150s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2022, 03:37

General

  • Target

    dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe

  • Size

    474KB

  • MD5

    750b491e4c1e0847f0972a17ca6327b0

  • SHA1

    6ce277d10a5c4dd0105e368b3a527795d0714bde

  • SHA256

    dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10

  • SHA512

    42292c69374edc510e50d87066f33d0a541f8d4b38276bebeb5c512200d533631ff6f211c2fb422f7e75c8f58b1e36ba38ed51792847d61a4043428b03de691e

  • SSDEEP

    6144:9Xq1Vm9LznGk73X6Li+lD1zykSsfHC4SYamijb7hTJ4eEAT3QLtJpA:9LznGk73KL/fcmijvzLzh

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 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.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 22 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1344
      • C:\Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe
        "C:\Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1932
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:572
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$aEF0.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:516
            • C:\Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe
              "C:\Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:1696
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Adds Run key to start application
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1700
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:584
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1752
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1376
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:996

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$aEF0.bat

            Filesize

            721B

            MD5

            db72669e7babb1848991821aa80d2e13

            SHA1

            f49aeec51d6a5e26f4de889de7b251380a4242f4

            SHA256

            c831999fbb88b53e503aa7e0ebe47bc6bfc1a356017e9216772557ecc78b5628

            SHA512

            056109c3c2c25982ddf89680ba1e1ed840d060ec21c69732016e17ad194f94985491804a6e3292a88d3c80c04120aeb1fad283e1d065d0cbd1c2fb0fe7a2ef55

          • C:\Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe

            Filesize

            381KB

            MD5

            a2c4f995230dd11213bc465353e4c7a9

            SHA1

            40e94933bbdb861285114275ac9d9ec5d0c1420d

            SHA256

            2d9a88ad937dd1a83a05a7fe31931baadda47ac31288132c43de17646e875cf2

            SHA512

            26c0ea3c53fbddcc0625ec52607b1582ae275865db3346972932cb29f8b3a166ea3cb94a28d627881ac4153f4f7c898ebc353e37fe6574237491119b5f371a44

          • C:\Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe.exe

            Filesize

            381KB

            MD5

            a2c4f995230dd11213bc465353e4c7a9

            SHA1

            40e94933bbdb861285114275ac9d9ec5d0c1420d

            SHA256

            2d9a88ad937dd1a83a05a7fe31931baadda47ac31288132c43de17646e875cf2

            SHA512

            26c0ea3c53fbddcc0625ec52607b1582ae275865db3346972932cb29f8b3a166ea3cb94a28d627881ac4153f4f7c898ebc353e37fe6574237491119b5f371a44

          • C:\Windows\Logo1_.exe

            Filesize

            93KB

            MD5

            295c04ecec1b9b207b7202676f5f2445

            SHA1

            92ee3f11a89f27e94260fe21152ff9091cbb709c

            SHA256

            ef1605d5e6d341a3a76e36ab6ff3ce5efeb4aeb5660eb70211913f668c17f062

            SHA512

            bbb529608de54f30a5b5f4a0f097d2298db92f5ad0aedb68bfd191e4ed9a104864afeafee2f7db5953d82298b039a64b2f103b062ad45de3682069520df205eb

          • C:\Windows\Logo1_.exe

            Filesize

            93KB

            MD5

            295c04ecec1b9b207b7202676f5f2445

            SHA1

            92ee3f11a89f27e94260fe21152ff9091cbb709c

            SHA256

            ef1605d5e6d341a3a76e36ab6ff3ce5efeb4aeb5660eb70211913f668c17f062

            SHA512

            bbb529608de54f30a5b5f4a0f097d2298db92f5ad0aedb68bfd191e4ed9a104864afeafee2f7db5953d82298b039a64b2f103b062ad45de3682069520df205eb

          • C:\Windows\uninstall\rundl132.exe

            Filesize

            93KB

            MD5

            295c04ecec1b9b207b7202676f5f2445

            SHA1

            92ee3f11a89f27e94260fe21152ff9091cbb709c

            SHA256

            ef1605d5e6d341a3a76e36ab6ff3ce5efeb4aeb5660eb70211913f668c17f062

            SHA512

            bbb529608de54f30a5b5f4a0f097d2298db92f5ad0aedb68bfd191e4ed9a104864afeafee2f7db5953d82298b039a64b2f103b062ad45de3682069520df205eb

          • \Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe

            Filesize

            381KB

            MD5

            a2c4f995230dd11213bc465353e4c7a9

            SHA1

            40e94933bbdb861285114275ac9d9ec5d0c1420d

            SHA256

            2d9a88ad937dd1a83a05a7fe31931baadda47ac31288132c43de17646e875cf2

            SHA512

            26c0ea3c53fbddcc0625ec52607b1582ae275865db3346972932cb29f8b3a166ea3cb94a28d627881ac4153f4f7c898ebc353e37fe6574237491119b5f371a44

          • \Users\Admin\AppData\Local\Temp\dc324be62cdc4bf6caac1dcc37a75c87dcd2f8e96727611fa2acaebc9fb36c10.exe

            Filesize

            381KB

            MD5

            a2c4f995230dd11213bc465353e4c7a9

            SHA1

            40e94933bbdb861285114275ac9d9ec5d0c1420d

            SHA256

            2d9a88ad937dd1a83a05a7fe31931baadda47ac31288132c43de17646e875cf2

            SHA512

            26c0ea3c53fbddcc0625ec52607b1582ae275865db3346972932cb29f8b3a166ea3cb94a28d627881ac4153f4f7c898ebc353e37fe6574237491119b5f371a44

          • memory/1696-68-0x0000000075D71000-0x0000000075D73000-memory.dmp

            Filesize

            8KB