Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30/04/2024, 18:14

General

  • Target

    54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe

  • Size

    76KB

  • MD5

    73d4ee30fd04ea282dafd26fe1978175

  • SHA1

    5988f77c9143163075efcde3a2e98ebbdde33e3b

  • SHA256

    54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce

  • SHA512

    17e67837b2b624235b937f25b963adce806c3c2ebca1637ceae72010e1b196b6cfb51a546ce467179c7e05e3820e152f06e5944a4da6c5f53fc5e7abd7824281

  • SSDEEP

    1536:8rFe+Zk7VJbwlYXjPrsqrZMYR5p8woriw+d9bHrkT5gUHz7FxtJ:8Je+azbRPrlr9RXForBkfkT5xHzD

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:1188
      • C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe
        "C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2680
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1228
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a143C.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe
              "C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe"
              4⤵
              • Executes dropped EXE
              PID:2760
          • 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:2716
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2496
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2516
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2732
                • 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

                  484KB

                  MD5

                  79d4fd1cb70f3844796aa1ea18a238e2

                  SHA1

                  78d207a7de2aeb85eefc185d894b0b7626e1e1f3

                  SHA256

                  ccaacc3965c1bdfce8cd1e934895a4563dddf082016e56846966c250bed87d5b

                  SHA512

                  7a0167cbce49f09ea39e490862b8c371eacf8ce3d74d6a6054e7f0e1df4b307019f5adee03603fcb9d4db2b17841cbc9cf129e9480d70b20c266fe82b3979b33

                • C:\Users\Admin\AppData\Local\Temp\$$a143C.bat

                  Filesize

                  722B

                  MD5

                  543f6886acc6a41a1ae5defe9c8047ba

                  SHA1

                  853a5d437f1688fa9ffa57c845ffe765452f7afe

                  SHA256

                  e6dd5eb59e16fc0ad5a87f136d9a06c86043733908e5f1afafefd4a1ffb1a73c

                  SHA512

                  d6ff59543caf87fd1e5290d77380139067a4f90fc44e56d23617ceaf12dc848473c55345318a6446e926e30c01e622b617ec6baeee3cb7718222404875dd83a4

                • C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe.exe

                  Filesize

                  36KB

                  MD5

                  9f498971cbe636662f3d210747d619e1

                  SHA1

                  44b8e2732fa1e2f204fc70eaa1cb406616250085

                  SHA256

                  8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

                  SHA512

                  b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

                • C:\Windows\Logo1_.exe

                  Filesize

                  39KB

                  MD5

                  cf44c8ef6c86eff8a822077823b64da1

                  SHA1

                  1bb65f1b46334b51566b3f5a2699ad6c6652118c

                  SHA256

                  83534b8dfc7c5f9eea74da924534e2fce1ad524c6ff7e11192ab5cd971b9a675

                  SHA512

                  d4a06c7f63efa55176a975b47ef6bdbe2af76bd4989f39dc666d35cdef77259bbe8da67fc0db498d42c5b76b8a369f932b2048d3e8e5d464d83ebc06d114a507

                • F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  3441ca64b7a268fd1abb0c149aa9e827

                  SHA1

                  977a6be7624a5ff4ea1de4f422b44b4974c17827

                  SHA256

                  fafa54a384b4b9bfe970b0e803afe0c0284021acca503892961170d49985dd99

                  SHA512

                  84d8adce555267049d33544c4402eaa9bb3ff2022fd76cd619e4cb1fd544c5825cd7769065dd525b58e3befd579d3dd11ec2e0032907ff7dd36f83975b5b5848

                • memory/1188-28-0x0000000002540000-0x0000000002541000-memory.dmp

                  Filesize

                  4KB

                • memory/1648-19-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1648-17-0x0000000000270000-0x00000000002AD000-memory.dmp

                  Filesize

                  244KB

                • memory/1648-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1648-15-0x0000000000270000-0x00000000002AD000-memory.dmp

                  Filesize

                  244KB

                • memory/2716-32-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2716-3343-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2716-4175-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB