Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe

  • Size

    673KB

  • MD5

    b1c9cf354e4da9406d62dbff2f8f4cac

  • SHA1

    b1c3fe43109dc4122234423f9271fb82f21bd156

  • SHA256

    11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7

  • SHA512

    6125368ae98f0d7d1f204a756400134da7330e200127871089c3f7132d1f132a5609b3b29cba1640123168dd36730bb5117f61f325715ddce854b88227cc4e75

  • SSDEEP

    6144:mMarC9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEKFVAh7f:mMaGPFlTz

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:1256
      • C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe
        "C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2032
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1760
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1D50.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2588
            • C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe
              "C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe"
              4⤵
              • Executes dropped EXE
              PID:2720
          • 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:2652
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2576
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2732
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2756
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2708

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • 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\$$a1D50.bat

                  Filesize

                  722B

                  MD5

                  0593712d48337e4343f278f91d6fab51

                  SHA1

                  814f159d7895fd0d9e9fe9697d23e3128fee5022

                  SHA256

                  e6d1119dbe2cfa5eaa1851c6c4712abfd196d356cb449ea6dc3a40bf70973688

                  SHA512

                  50e9f2903eb44ecf542e3799a749d21447090d00bfddd685e4809c241b4324a1f72a8cf4326f51335048d3fc6c1c422b78be8bf399a024c1512ace0328721950

                • C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe.exe

                  Filesize

                  633KB

                  MD5

                  2e0d056ad62b6ef87a091003714fd512

                  SHA1

                  73150bddb5671c36413d9fbc94a668f132a2edc5

                  SHA256

                  cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

                  SHA512

                  b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  341ec829f1445cfc22901ee3564a2407

                  SHA1

                  3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                  SHA256

                  f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                  SHA512

                  1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/808-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/808-16-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/1256-27-0x0000000002A40000-0x0000000002A41000-memory.dmp

                  Filesize

                  4KB

                • memory/2652-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2652-31-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2652-3318-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2652-4133-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB