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
    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

  • 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 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1172
      • 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:112
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1732
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1248
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2868.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1376
            • C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe
              "C:\Users\Admin\AppData\Local\Temp\03580918e8f345df578c31ad35e2fdf839bd8f0990077d851092826eca6ddb12.exe"
              4⤵
              • Executes dropped EXE
              PID:2652
          • 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:2528
            • 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:2420
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2980
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2496

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

                  Filesize

                  478KB

                  MD5

                  85bfd80e5e2a61689d1273c6efa51ccc

                  SHA1

                  8ae8a160124cc56983f24a933fbecdac08da435a

                  SHA256

                  892cf1575e0cc60639951f9a5a37323f3ca7d06f335e8a39635c3b858596ea3c

                  SHA512

                  96dd851f4d17a65aa6dfddfdc134a46d30b0417451b4c4b31092b66056cae59302d49b706294547e5766e347dc368ff4bd176d90376c5e2ad5c7a52aa8718a79

                • C:\Users\Admin\AppData\Local\Temp\$$a2868.bat

                  Filesize

                  722B

                  MD5

                  a3a005a48a1672c3553440157ec9b7a7

                  SHA1

                  86039342cb1638abff7f9465472e98dab59c9ba6

                  SHA256

                  30ccb111bd5303cdd392a63eafb19611504823817f1c43f2f7012fba486794c6

                  SHA512

                  be942a74ae59c019e4dba3ff0207d0e4b30137d026bb229d446caf2f435b3233c9b26e03c91ce99a0ee25d6f190fcdaefc0936035457d8f069a2034bc50ec372

                • 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-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  62b5f4cbf35e0811170865d2c1b514b0

                  SHA1

                  eb9ab8cea4d5052efe5126141140269f2fc29e7b

                  SHA256

                  0c2b516efab7a741c31502cb6f7828de32cd4feb088b683d651225489f183bb3

                  SHA512

                  4632536c26324e72b20e87d53546ea1d012bc1f3457ce5d8e1b33dd3eebc41ad5e4a3d3f6a3a542d7ce103f95ca5a5a1973c6c036980f1e8860c6c5d93c5696f

                • memory/112-0-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/112-16-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/112-18-0x0000000000230000-0x0000000000270000-memory.dmp

                  Filesize

                  256KB

                • memory/1172-27-0x0000000002D60000-0x0000000002D61000-memory.dmp

                  Filesize

                  4KB

                • memory/2528-19-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2528-2333-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2528-4142-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB