Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:14

General

  • Target

    555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5.exe

  • Size

    271KB

  • MD5

    ebbefa2804f5899556b8d0002d708fbd

  • SHA1

    a211624a2a79ce03ef0ac3527c069e815c9cde86

  • SHA256

    555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5

  • SHA512

    4ef826d83469cf4dae542d90728de28f1597767d70adbc785439755610355e4f3376caf917aeac807cc234d294cd7c345be2c05fb2e28cd766b00b56986ab57e

  • SSDEEP

    3072:gyVPN8QFda/2NLRkgUA1nQZwFGVO4Mqg+WDY:TMaNLRp1nQ4QLd

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 WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1352
      • C:\Users\Admin\AppData\Local\Temp\555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5.exe
        "C:\Users\Admin\AppData\Local\Temp\555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3056
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2904
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a454.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2688
            • C:\Users\Admin\AppData\Local\Temp\555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5.exe
              "C:\Users\Admin\AppData\Local\Temp\555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5.exe"
              4⤵
              • Executes dropped EXE
              PID:2640
          • 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:3008
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2644
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2572
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2608
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2716

          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

                  265KB

                  MD5

                  79eab7525c90eddd53b099eb20de6192

                  SHA1

                  72c81bc2f96f74cac04149ebada5ab98daaf7991

                  SHA256

                  173d81becdc11080495a4185a823e50ac9f418495c82df2717c10eed65768598

                  SHA512

                  1e0e604e1a9f5eb7e6af3a1c82b714a3c6d4bcf037a72b0c695f4f4d1428cfce4d664f77d27faac2781c3c8f257c1a8e9a6432771873b99a7bf18f900d222b83

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

                  Filesize

                  485KB

                  MD5

                  3ac7773258fe0684e8a28f3793a74ed3

                  SHA1

                  316fba91c21ea13e4576a5eeec832fd585c31ca0

                  SHA256

                  9f41dbbbdf4edcf63ba6262af0ae0d9a13874d0e008522af866f12f3e71b198f

                  SHA512

                  8d2647018107b940fe80b5ab979570b9f255764195976272b8c2ee8640b0e91493d5e7fa598b4ce29bda8f87cf495c6c71fd62734d51761b04bb5127eb5b2b4a

                • C:\Users\Admin\AppData\Local\Temp\$$a454.bat

                  Filesize

                  721B

                  MD5

                  88f52713dbba5f3ac59e8e7eb3dd72ce

                  SHA1

                  31df9147f22145b4c23c16588e0843f0a587fb2c

                  SHA256

                  cb40b2bcca185be37ee83164954d4ea7c93d2b98f3b4d8dbdbe7b51da4d19581

                  SHA512

                  b0aaa966711a677a0445e29f23eaf80c61b81f0fbf842fda4759f3df7e1ca071824f570ad54551ef3cd6607b95cee769e8cad32276398a676fde43d4961c93cf

                • C:\Users\Admin\AppData\Local\Temp\555f54a0ea329f3205f4ec2d266e49a0c421b78e94efd155af7c4d29571703b5.exe.exe

                  Filesize

                  231KB

                  MD5

                  6f581a41167d2d484fcba20e6fc3c39a

                  SHA1

                  d48de48d24101b9baaa24f674066577e38e6b75c

                  SHA256

                  3eb8d53778eab9fb13b4c97aeab56e4bad2a6ea3748d342f22eaf4d7aa3185a7

                  SHA512

                  e1177b6cea89445d58307b3327c78909adff225497f9abb8de571cdd114b547a8f515ec3ab038b583bf752a085b231f6329d6ca82fbe6be8a58cd97a1dbaf0f6

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  151bab8f081aff19a57fba82f5fcf212

                  SHA1

                  284e23feb67e6b8834158b6233e7351b80f72331

                  SHA256

                  a3c1bd441443f9938f1fa54e98d3fac4953823db04e7691474e4e2cea332cdc0

                  SHA512

                  7b55b6207c1105cd1fd1505f44e0511a94d9b8361f132cdd902ac25db76d536fc8c5c2c53f9aa65dc20c6c483072c7848e71677d736192dc3b85af893e04a59f

                • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/1352-29-0x0000000002B40000-0x0000000002B41000-memory.dmp

                  Filesize

                  4KB

                • memory/1960-15-0x00000000002C0000-0x00000000002FF000-memory.dmp

                  Filesize

                  252KB

                • memory/1960-17-0x00000000002C0000-0x00000000002FF000-memory.dmp

                  Filesize

                  252KB

                • memory/1960-19-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/1960-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/3008-20-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/3008-33-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/3008-3320-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/3008-4125-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB