Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe

  • Size

    400KB

  • MD5

    fe2ea6d5ba2e77e4f61c16b58586a93b

  • SHA1

    e7e0108d5531ca348be4522ec5e7371a824e8df5

  • SHA256

    bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59

  • SHA512

    6434cb760cba827d22795328d0bed5372a1844b19a44297e7c127f9a571752410906e2d08742daa322bc8b91e2da3b770d8ea1719e3ee501c6b3e1abba83698e

  • SSDEEP

    6144:mMawP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moHXG:mMadahVy41

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:1404
      • C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe
        "C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2008
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1932
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a166E.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2352
            • C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe
              "C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe"
              4⤵
              • Executes dropped EXE
              PID:2712
          • 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:2560
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2624
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2684
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2868
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2508

          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\$$a166E.bat

                  Filesize

                  722B

                  MD5

                  7434626a1b320bdd8c643c6b0eb7e02b

                  SHA1

                  a7c3dd5098c6d769fe7186996b93833a9ac45721

                  SHA256

                  6fae47f4a18d7138b75224468ad47526eecb8759493741f6515a1944f10d2a98

                  SHA512

                  0ec6b96fe92cf77fedb4df71ede4f8fef0dc27119268650dfe4a500cc620b9dfbdae66b83a85cb82d8b3090f452c6c67844e8dc973194e1c7be746748f9d0c85

                • C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe.exe

                  Filesize

                  360KB

                  MD5

                  5fbd45261a2de3bb42f489e825a9a935

                  SHA1

                  ff388f6e9efe651ec62c4152c1739783e7899293

                  SHA256

                  9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

                  SHA512

                  7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  341ec829f1445cfc22901ee3564a2407

                  SHA1

                  3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                  SHA256

                  f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                  SHA512

                  1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/1404-29-0x0000000002A00000-0x0000000002A01000-memory.dmp

                  Filesize

                  4KB

                • memory/2040-16-0x00000000002B0000-0x00000000002EF000-memory.dmp

                  Filesize

                  252KB

                • memory/2040-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2040-17-0x00000000002B0000-0x00000000002EF000-memory.dmp

                  Filesize

                  252KB

                • memory/2040-21-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2560-32-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2560-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2560-3323-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2560-4124-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB