Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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

  • 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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3416
      • 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:1836
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3560
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4988
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3BB1.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4800
            • C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe
              "C:\Users\Admin\AppData\Local\Temp\54f2acfd4eed5f2cd5c8bb76a14620a935682c0d6eb07a9b7a1a90d8b9490dce.exe"
              4⤵
              • Executes dropped EXE
              PID:4996
          • 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:4252
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2996
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3532
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:64
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3120

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  583KB

                  MD5

                  dd49db604be4a689a14beb31f97f89cb

                  SHA1

                  3b58adcbfa3ef6859ea43b5feb22ad4e2e493aad

                  SHA256

                  3b0e821214a16179b739a4936913d1ab0ad518799b4875051b150ac83a36ad33

                  SHA512

                  5dad882b3cc544bde5a7ddff2eefeaea87ce0ff055e6cdf8dd48c395e3c3fe09a27913887d6bb35cdcf7d3351de32d9328db5d466a35cd1aa47da9f49ff532d9

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

                  Filesize

                  649KB

                  MD5

                  e4b4c486987a76abb8a18c33b36514b5

                  SHA1

                  1c83216295cfc852c1a35198e31d8d385efd373a

                  SHA256

                  30f0474b455caa56bfb989bfcc04bb4db00f81857c28657f3fecf1dbcc6eb5dc

                  SHA512

                  f8532180a32b17153626d9879a93159132b2e10708e81aec83c995a8e9b642d5b6ccdd1db676c92302bdd5bb97726e670876490e97d65b27865ea7e72c8c4515

                • C:\Users\Admin\AppData\Local\Temp\$$a3BB1.bat

                  Filesize

                  722B

                  MD5

                  a33da421bc9e98f9ced8eb88cf1bce01

                  SHA1

                  c02a710ecfab3c03dace98fa45b97e4ca58eebfd

                  SHA256

                  a9d96d91af7edecac0ccf9a815ea1c82194c869898784684e780d45e8fad1b55

                  SHA512

                  0222be7087f8708a6ba3a1b8bd0792071388470b45af5a0db3c42281aa30f4c03788d8b2f73a2bb2ed1302e18dfd84cfa09bc04a4bac270dede6baca0f6f6f23

                • 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-1-5-21-17203666-93769886-2545153620-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  3441ca64b7a268fd1abb0c149aa9e827

                  SHA1

                  977a6be7624a5ff4ea1de4f422b44b4974c17827

                  SHA256

                  fafa54a384b4b9bfe970b0e803afe0c0284021acca503892961170d49985dd99

                  SHA512

                  84d8adce555267049d33544c4402eaa9bb3ff2022fd76cd619e4cb1fd544c5825cd7769065dd525b58e3befd579d3dd11ec2e0032907ff7dd36f83975b5b5848

                • memory/1836-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1836-10-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/4252-11-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/4252-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/4252-5224-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/4252-8774-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB