Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 14:54

General

  • Target

    5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff.exe

  • Size

    5.7MB

  • MD5

    9801aeac198b42944dff1f476de6e746

  • SHA1

    378e7e7918e4deaf286a550120d31fb8e44dfa92

  • SHA256

    5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff

  • SHA512

    12ce5b322088f7ec63f5ff8798db0840dcaf7b7e0b5e3f32ac7385fae44d17f594d45f6bf33866ee4aa00a3374f412242cc6e16de9939da2d2f7ff2490fc7370

  • SSDEEP

    49152:iPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:0KUgTH2M2m9UMpu1QfLczqssnKSk

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 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3420
      • C:\Users\Admin\AppData\Local\Temp\5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff.exe
        "C:\Users\Admin\AppData\Local\Temp\5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2628
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3040
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3232
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4F49.bat
            3⤵
              PID:4900
              • C:\Users\Admin\AppData\Local\Temp\5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff.exe
                "C:\Users\Admin\AppData\Local\Temp\5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff.exe"
                4⤵
                • Executes dropped EXE
                PID:2804
            • 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:4628
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3328
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4740
                • C:\Windows\SysWOW64\net.exe
                  net stop "Kingsoft AntiVirus Service"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3052
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                    5⤵
                      PID:2316

            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

                    25161eb204d86328bf9af51c9f0753b9

                    SHA1

                    b68529e2a928f8c5c424474eb69ceae0415d9c0c

                    SHA256

                    c600e7f71b7a59ba015142cb4411f8fd86e6888ed41e55298c21289c3a8ac315

                    SHA512

                    e7d13a41338fe1787b44feddd74dcccd200ce2f069766cabeb76b7cbe957ef22a41499a11229c94e06fd59462a6b824fa62d7d13cc362c7adf2f1e05c03de926

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

                    Filesize

                    577KB

                    MD5

                    aa34071fa5dbfd401e6f61600fbf2036

                    SHA1

                    6ca65290d7594b734ea78b19334246da6225901a

                    SHA256

                    d9511e71ab9efb9bdf2d021191d4d12dbe850b29557bef4d39b576a0ac505f45

                    SHA512

                    24304c7f52db95eadbab9b82039ddd87ef5a2a6b6a9b65656dc6cb9244da53fff2a6e92e093c1c45933f7c8ca9e88d4ef5b39264ab8da06900796fdf70d43c30

                  • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

                    Filesize

                    643KB

                    MD5

                    b44d88035c8f330ab76a3c8aab5f6876

                    SHA1

                    df3e341ffc7bebbe46989ff64a262784661df20d

                    SHA256

                    28882f6beb154b76f9f6742689c7056d2fb482eb90f0c5935292cdd9f72f7e49

                    SHA512

                    2bca5a60d49de97529deaaab5c59ec572e66a87cbe2eeaf9e701cad8d364eacd03cc6b4fe31374bf3ad9f4a673b0a588347d6ed31a9e89e12081ed757400d8bb

                  • C:\Users\Admin\AppData\Local\Temp\$$a4F49.bat

                    Filesize

                    722B

                    MD5

                    402a7698317e116da54c82bea2af1494

                    SHA1

                    7a08660ead3241e8f45b3c505331c0ab8b231ef2

                    SHA256

                    34626c90aabeb89a5dfe6e040d47771a30c234654306cb8a6b67832c566a6d39

                    SHA512

                    91291cfe637e28e418844e7f0e0708410cbe13b46e7aa0674fbc0c4b6ec40f3a11d6dba36e0cd63747089f13119b7a48b1af687a99126f698daaa437660ad5ac

                  • C:\Users\Admin\AppData\Local\Temp\5591a9fa585535638d04783fe1d33206a3c5f2f01fe5008315e5f92096054dff.exe.exe

                    Filesize

                    5.7MB

                    MD5

                    ba18e99b3e17adb5b029eaebc457dd89

                    SHA1

                    ec0458f3c00d35b323f08d4e1cc2e72899429c38

                    SHA256

                    f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

                    SHA512

                    1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

                  • C:\Windows\Logo1_.exe

                    Filesize

                    33KB

                    MD5

                    5a63f8e9068767deb1ccd980deb047fa

                    SHA1

                    9383b1103782394fbbee5705456e4f3600a86b66

                    SHA256

                    29de80ac5ca4f60d8fbdc59d956164370d31dd5d4504cf8fa97c29800eb7766c

                    SHA512

                    f42e3e5217dd13e7efa8092969e65f1b5eb1273d12685c90c5b3ca31e2a9502e12244111d555245e4f8505c0cdadfb7e73c565e2dcbd8fab568867957652b5bc

                  • F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini

                    Filesize

                    9B

                    MD5

                    fa1e1ef0fdda97877a13339b28fa95e5

                    SHA1

                    7e2cffca41118e7b2d62963bd940630b15b85653

                    SHA256

                    968b715c081472526487d60da8968e9b3bde2dac103f69beb3f6abe6ef7bc191

                    SHA512

                    3d55913a97aa89a7201342705640c1d031d19ad8aca4939219067f84e3fe118f47b4e388f490f69f605683d3854425c3de188f731886405474ae8e3d42c86f4f

                  • memory/2628-10-0x0000000000400000-0x000000000043D000-memory.dmp

                    Filesize

                    244KB

                  • memory/2628-0-0x0000000000400000-0x000000000043D000-memory.dmp

                    Filesize

                    244KB

                  • memory/4628-18-0x0000000000400000-0x000000000043D000-memory.dmp

                    Filesize

                    244KB

                  • memory/4628-2964-0x0000000000400000-0x000000000043D000-memory.dmp

                    Filesize

                    244KB

                  • memory/4628-11-0x0000000000400000-0x000000000043D000-memory.dmp

                    Filesize

                    244KB

                  • memory/4628-8635-0x0000000000400000-0x000000000043D000-memory.dmp

                    Filesize

                    244KB