Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/02/2024, 15:37

General

  • Target

    03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe

  • Size

    66KB

  • MD5

    f0555394a55747820d4c0c9e1ad67e8a

  • SHA1

    97e112044c185b6dbb3583646c7bccc3a5273366

  • SHA256

    03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12

  • SHA512

    0b29ee2ef2094c299937a217dc44d238554c52baaebffb3533d741aec27c9df3aea5bf7e184a129b5090176f09843d2660500e4326147ba8f157a9fe71626af6

  • SSDEEP

    768:cZMrKKuk+Vxr1x5A0VDrPzJ88O5p+9ogqSahkwA4YFAUkC4OMMwP3Sy6EGyI4t6p:cAsxN92ppTSahtA3A/C4ayFGyHNXk

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe
        "C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:812
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4536
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4360
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a41AC.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2808
            • C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe
              "C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe"
              4⤵
              • Executes dropped EXE
              PID:5052
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:3144
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3048
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1448
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:656
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2636

          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

                  20cef2186133a343a70d5d5d4feef3a3

                  SHA1

                  4844bc3596fa52272bb96cc418f2754b9e33fb17

                  SHA256

                  a56a482a19e754be811a156bce1a2951aa5ce0765aca04261ede8179ad9e33db

                  SHA512

                  023fb969db382c783bbcf9b6fa8e88603caeac25b7802da432a98a5d4a686893e97de785d918341767b389f39ebfaf5111b42fe283802402fe0fe04e1b2eac54

                • C:\Program Files\7-Zip\7z.exe

                  Filesize

                  577KB

                  MD5

                  b698943451b4bbe37d8df2a597b4b70d

                  SHA1

                  bdf9b7fb5e8e45e127a1f3a90a595ef986edaf56

                  SHA256

                  7a022236fa929cbb877ca4c83411e76b86d0c2fe7ab9a0462835b7dbde009cd7

                  SHA512

                  624f121d4b70ba590afb16a3015e89b2e5f62a991fc95dc3c844a513312a06683c761f38934cb2733ebdd9b3b8404f2ec3665dbd5528a0e0205b9806b133f819

                • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

                  Filesize

                  488KB

                  MD5

                  ee67e995cc720bdea9ad5bd16b0ff7bf

                  SHA1

                  8779525e9576a51cd6441b6c35e5e38690c94f34

                  SHA256

                  ef3bfd992ca033aacbe64d6a949a4dc94a3ee19fa7349298541faf08298b1d98

                  SHA512

                  e1aebdd145ea7415867ff44e71a8e3f730f2c8712ca3c79289cc00231fbdb7b03c000d069ac60eb5cd62eff6079cf4fd4595a6016a4c98ea19051767366e4524

                • C:\Users\Admin\AppData\Local\Temp\$$a41AC.bat

                  Filesize

                  722B

                  MD5

                  cb9b472e479dbf071a1ef505d707bea0

                  SHA1

                  b09a562b7998c08465cf60a1a33345e6b1635926

                  SHA256

                  cf64289d6b13dad9eda1fce0e091965ebe429d5bb07c9a441f1c8a255c915a3e

                  SHA512

                  c008a74b03cff4720bf271758682811ef3d762f27a3466cec721f7cba1219675f7e198402db78baec253e8973a8df96b232ae8d96793ebf2720bebe428c33e37

                • C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe.exe

                  Filesize

                  33KB

                  MD5

                  bdbce90ce74990df3b2c7c8484dde146

                  SHA1

                  ae6aadaf5467b97779d4c1a81b5cd3dfb9d8ecb4

                  SHA256

                  f4a3c012f2859ead10af1298d9b20fbd8ca2257f73d530a2b0c25937cb16f6eb

                  SHA512

                  78e2f31759ce490f38e898ef17a700dd0898cc32b526325e8d7230b4ff119c39124cd2abf30038f70318931cc995abee523b334a29812bf875302dc126c9f958

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  74de944429af39f54ac31888ee07b892

                  SHA1

                  7c05f329379c5a396dbdf1e3857f59734eeaaf07

                  SHA256

                  22a484df9625b0a17e2e7b65945360f0b031ec1bea68fb96d3553d07ab354f52

                  SHA512

                  d4a8d643b207e1742071a11b05b3044c0750849f767ecbecb5e957d1df1bc95a312a0a595c7c34cc8a09523ef25deac47fddb4801735bcff6087879ef8d10fd7

                • F:\$RECYCLE.BIN\S-1-5-21-2132103209-3755304320-2959162027-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  62b5f4cbf35e0811170865d2c1b514b0

                  SHA1

                  eb9ab8cea4d5052efe5126141140269f2fc29e7b

                  SHA256

                  0c2b516efab7a741c31502cb6f7828de32cd4feb088b683d651225489f183bb3

                  SHA512

                  4632536c26324e72b20e87d53546ea1d012bc1f3457ce5d8e1b33dd3eebc41ad5e4a3d3f6a3a542d7ce103f95ca5a5a1973c6c036980f1e8860c6c5d93c5696f

                • memory/812-8-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/812-0-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/3144-17-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/3144-1584-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/3144-10-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/3144-7028-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/3144-8630-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB