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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 11:13

General

  • Target

    c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b.exe

  • Size

    394KB

  • MD5

    6be32ec1c30996c185dea001877da11c

  • SHA1

    53486de5221213313e7efe53cf70e4d485b34d85

  • SHA256

    c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b

  • SHA512

    42525c7a473545ce8ccb34210e95633138aaf36f73130d3fb5dc82e3e20435d2afb5cb3ee98afdc83cd29620070b9c69026bbcf8894a99315e2b142f0a01b0eb

  • SSDEEP

    6144:C46tGdye412P2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuz:C3NbZahVy41

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:1216
      • C:\Users\Admin\AppData\Local\Temp\c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b.exe
        "C:\Users\Admin\AppData\Local\Temp\c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3028
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1708
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2524
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a91E3.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2800
          • C:\Users\Admin\AppData\Local\Temp\c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b.exe
            "C:\Users\Admin\AppData\Local\Temp\c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b.exe"
            4⤵
            • Executes dropped EXE
            PID:2812
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2836
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2744
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2880
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

      Filesize

      258KB

      MD5

      64acc7a926465ed93b0d333a391185b3

      SHA1

      9637951053669780bf774ab6779f6a0988fc7096

      SHA256

      73fcc4298bfe478bfe5667503735e56f5b40699c531fb258da8d70599c4e6fbb

      SHA512

      b27a93010754ea3071725fa7c39381dd5c24d95ab58f203c8612223d3a16e91aa3525ed582119bd94df4ab6737976391cee6b25b92e2b8c70e27d098ceb538b1

    • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

      Filesize

      478KB

      MD5

      23c2c932165e28ab0bc8488daa561473

      SHA1

      f6852391374e72097387d9af721c0aef807a2ff0

      SHA256

      d10031fa711a530bdcdb77da251ae1098ba91f9bc62f0b9d7ba92214980a71fa

      SHA512

      3f0026e56feaca95434050e7125bd9e275e0d4038d513abde516708c32c5a490a7afe1ea951da3866961e39c8c5e2e02c38c2507ba47d98964298b473f0d9f1b

    • C:\Users\Admin\AppData\Local\Temp\$$a91E3.bat

      Filesize

      722B

      MD5

      acb5bf9cfb2f3e36af31a1a078749cfc

      SHA1

      37c2ca3fa0c0d6c3c9ec90a4daaba8c528dcfb90

      SHA256

      1828dc9e105cf9b61675afe9c7a1e2faed3b8efe395ae8ee2c7aa4ba9f694e02

      SHA512

      ec9116b5b4a664c121579b5713aea53d5413720af592402e2d24782fcea1b9ff5b16a9b21c945e0ebff1b26b51df2b272ef289c649c9c13d2f7a39ae7c18cad5

    • C:\Users\Admin\AppData\Local\Temp\c39e5fe6f279fece6ca9a8a4a36bb1d15a0b4f3c5852c1fa54844bcfb295485b.exe.exe

      Filesize

      360KB

      MD5

      5fbd45261a2de3bb42f489e825a9a935

      SHA1

      ff388f6e9efe651ec62c4152c1739783e7899293

      SHA256

      9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

      SHA512

      7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      0538b815d66cc3a52f4cfa0a13c4ddae

      SHA1

      9e8c232d995456d5ef90a7e85905f457e32041f1

      SHA256

      bc3f92b97dee26aec635c758906afdff39e0b26667c326024cf76cfffe5c1717

      SHA512

      b6cf06ee70c8683462fc1018e3bf05d00623fb16c7ad48916e873c849283a766d4794dc2b362c86d6485232d222bb10e12d6d2abbdf6a6a612e4401cb5353116

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-3551809350-4263495960-1443967649-1000\_desktop.ini

      Filesize

      9B

      MD5

      e02899454c67c7d6d1af854fdcb53b67

      SHA1

      26fb213f7c299c2a4d8c4afd234ee0b751d7a30e

      SHA256

      0e67e90646d3ba7b46f935b205c9f89e8bff2dca7aeda3cd5dfb93868b262315

      SHA512

      e1519bebf62ab4cb28e630a201312812e04f815ec0663f7b68b478da97c0bf7c7c2238a8632540d3d1f37acbe83919fb198b39ebeb222c19faa2130ab65ffffa

    • memory/1216-30-0x0000000002D80000-0x0000000002D81000-memory.dmp

      Filesize

      4KB

    • memory/2352-33-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2352-2962-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2352-4111-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3028-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3028-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3028-18-0x00000000001C0000-0x00000000001FE000-memory.dmp

      Filesize

      248KB

    • memory/3028-13-0x00000000001C0000-0x00000000001FE000-memory.dmp

      Filesize

      248KB