Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 10:08

General

  • Target

    c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746.exe

  • Size

    131KB

  • MD5

    9ebb6422ed10fb799b45e4c9bd7eb41f

  • SHA1

    1f8925ddffbf932d421bc1bfd7b45f46c154bb02

  • SHA256

    c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746

  • SHA512

    c294a9d363dc9dd360d7838bb9662c560990bbd08e5b9166d099ff4ad5323c0d673472d092727909f046c118810841be79d42875bd4dc6a024f9e2276d41f684

  • SSDEEP

    1536:/BFsrz8VuJlMXaDuiNbR8Bftg+9t/p4QAILJuCOPdvX/ZWOtnGWxlP:/Bo8ulMXaKvvgmJAIlwPxX/ZWOFrb

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746.exe
        "C:\Users\Admin\AppData\Local\Temp\c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2356
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1456
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a92BE.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2864
            • C:\Users\Admin\AppData\Local\Temp\c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746.exe
              "C:\Users\Admin\AppData\Local\Temp\c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2448
          • 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:2564
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2724
              • 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:2588
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2428

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

                  Filesize

                  258KB

                  MD5

                  02569885e9369db7f7e10caf1b50ba83

                  SHA1

                  10a6f75e80a9f81aa4c6143a31eb419ff252c667

                  SHA256

                  f9fbd769b3a8bcc2a77241fa76adb574009dd443f0ebe5913450e2e9f21d87da

                  SHA512

                  d18ea18d470cde35ac5f775b8f51d9d0bbaeea64312a30ea4ed7261174cdc3c8ac60e8f205004bcac90c937fa732851d3f5bdf5dde3417b624f1ee24e87640c3

                • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

                  Filesize

                  478KB

                  MD5

                  5264aab343fc1f53c29d1065346d0010

                  SHA1

                  db43bc0b28b4ada0c5635db50fd0b64410ab76ad

                  SHA256

                  d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

                  SHA512

                  bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

                • C:\Users\Admin\AppData\Local\Temp\$$a92BE.bat

                  Filesize

                  722B

                  MD5

                  4d196ce59b041318a4c2835e0a832b5c

                  SHA1

                  0352d3ad0bce36a2da36734f637aafa119d11238

                  SHA256

                  515ba7f75a009d05a174a22f874cbbb060ef9bcaffabaa4bf939c62bc1c812b2

                  SHA512

                  18c74bac95eb35624f0d9529e8f8e586fdba8e3fda0c6f9c436f7a26618b0699d8e194d3f9ced4a5406e60ff7a533dfe41e0f76e5a74d77670116d860c07ab6f

                • C:\Users\Admin\AppData\Local\Temp\c764b532fe0ec439306cfc1f9d9b9e8a8fd98c16fe44808290660eab63975746.exe.exe

                  Filesize

                  97KB

                  MD5

                  713a30695b671b6e3b19b7d09f9d8409

                  SHA1

                  83916537c86d7dc1043c752f195f04fa42813afe

                  SHA256

                  6b42e2e9822b99f5f13a6d1f639fa64cc93001266ceb7a7d342da1bce84d5c08

                  SHA512

                  a450c691e0c8d16519b418b366a260360a57e8511c6975f2e3029c41f30a68d83448126c3d57c9fb36b3a44e839d4bbcaa73e0adfe305a71e04def2fd990cbf7

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  e88b528305eba2eaa41bd67d5be2f3e9

                  SHA1

                  46ab8f327b9ad592d6b6e2786ff0c5a5735acbfb

                  SHA256

                  8549f3ecbe5d5d917c87472123a8ffc41b19b52c94b1fbc7089a971436dfe5ae

                  SHA512

                  8437f856ced59ed9edb400139bcc5bb083164c52fd843d058d94bd40243b3314af75e3fd18380708561a00a80c7160153a40e768c493f08ea4afc102357252e7

                • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  e850d9ceb7ebcc619d731dc2f1377b2b

                  SHA1

                  a45553c9057075c02e28f90d5e8ea57a0dddbacc

                  SHA256

                  b682a6e85069777ca22f84b99607acd09640eaa80029d74363c0a5aabddead4c

                  SHA512

                  be92bd8393d0fe69559ec55e1068fcd77ccc699361a9cb98d467bd51a029c371852b7a1196ad53fa8865e956582e6a4d35f6ac6fea3832058b7a427133b0048c

                • memory/1208-30-0x0000000002960000-0x0000000002961000-memory.dmp

                  Filesize

                  4KB

                • memory/1284-17-0x0000000000230000-0x0000000000270000-memory.dmp

                  Filesize

                  256KB

                • memory/1284-18-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/1284-0-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/1284-15-0x0000000000230000-0x0000000000270000-memory.dmp

                  Filesize

                  256KB

                • memory/2448-26-0x0000000000240000-0x0000000000241000-memory.dmp

                  Filesize

                  4KB

                • memory/2448-35-0x0000000000240000-0x0000000000241000-memory.dmp

                  Filesize

                  4KB

                • memory/2564-33-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2564-1348-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2564-21-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2564-4081-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB