Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7.exe

  • Size

    971KB

  • MD5

    3d6355cce49beea2cfb3dff1c38aa608

  • SHA1

    392f7b0f8266cb593bf8ee2271ec7cf562ce63ea

  • SHA256

    e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7

  • SHA512

    b6d2ddef4a8bc781bb7eea6976c7309e4504c74a3d541fb728eee6d10c878b9ab3a3626bd61f22366ac4d074e585ded9e7caa1ad01a38c03566ece08ae6139fd

  • SSDEEP

    12288:mMajRKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:mMNBpDRmi78gkPXlyo0G/jr

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7.exe
        "C:\Users\Admin\AppData\Local\Temp\e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1688
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2076
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1FB1.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1728
            • C:\Users\Admin\AppData\Local\Temp\e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7.exe
              "C:\Users\Admin\AppData\Local\Temp\e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2768
          • 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:2692
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2716
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2836
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2928
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2684

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                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\$$a1FB1.bat

                  Filesize

                  722B

                  MD5

                  5758ade1bccdbe19b8e2ff3b6bea0ab0

                  SHA1

                  49d3dc66b9f7430c9991e0fd77059b1b04347980

                  SHA256

                  6a049ca0359ee88adcd71aac517222ab5b74c241f6842724baae9b7df531a6ff

                  SHA512

                  b5763aaffa6635287e9bd25ee3a030a139ed466a1ef4127b0eb05542860abb032c231729cbb3d488de05db17863ad2aaa022ebee7b7fd65c4891e25a93d3473f

                • C:\Users\Admin\AppData\Local\Temp\e63c506ebbb78edf9cf045193b69c1b58ab40b3f00dff2f36a5a8e1497a768f7.exe.exe

                  Filesize

                  930KB

                  MD5

                  30ac0b832d75598fb3ec37b6f2a8c86a

                  SHA1

                  6f47dbfd6ff36df7ba581a4cef024da527dc3046

                  SHA256

                  1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

                  SHA512

                  505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  341ec829f1445cfc22901ee3564a2407

                  SHA1

                  3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                  SHA256

                  f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                  SHA512

                  1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                • F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/1204-29-0x0000000002D80000-0x0000000002D81000-memory.dmp

                  Filesize

                  4KB

                • memory/2692-32-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2692-19-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2692-3343-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2692-4174-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2900-17-0x0000000001C80000-0x0000000001CBF000-memory.dmp

                  Filesize

                  252KB

                • memory/2900-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2900-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB