Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 11:19

General

  • Target

    ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e.exe

  • Size

    398KB

  • MD5

    8cc5330802328f4ee3e61b61f6c6cad1

  • SHA1

    494010be83b8d18281a676dd4f1ebe2f32522f08

  • SHA256

    ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e

  • SHA512

    93ea069f32d6ad8d69e2df704dd399dd3c9e946fc34cd1851c0483f62edd8699888da45267829a2751811882e72c2ed37880671d2002f9069989eba282a11df3

  • SSDEEP

    6144:C46tGdye41inDXYQ/BWJjmpgtBZQZKQj8p3jyb7HREd4SZ1tzLbF:C3NbADXYJmSTZwYp32bY4qtDF

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:1188
      • C:\Users\Admin\AppData\Local\Temp\ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e.exe
        "C:\Users\Admin\AppData\Local\Temp\ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e.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:2548
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:340
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2576
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aAED5.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2028
          • C:\Users\Admin\AppData\Local\Temp\ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e.exe
            "C:\Users\Admin\AppData\Local\Temp\ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e.exe"
            4⤵
            • Executes dropped EXE
            PID:2816
        • 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:2064
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2456
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2760
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2868
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2728

    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\$$aAED5.bat

      Filesize

      722B

      MD5

      8065c34842672e91d638fd04417b6fe3

      SHA1

      ce79882d277bc282ce9dfebdc63b6b3b85f8d6c1

      SHA256

      eb564def5ae48cc97af6e3f31522d8ac5997460a666d78449ae9567e64a29c28

      SHA512

      364420671898ec26051afc78ef424adea8b3ead110a7423d96a63999165580d7be9b61c4b1fea1df9fb59ec79fa5f1b5ebe22cb820e70b9deb8935c96994b51d

    • C:\Users\Admin\AppData\Local\Temp\ba4bd6a0aeb7782c940019515a0142dd6e6153b7dad2e376ccb532e9ea9b205e.exe.exe

      Filesize

      364KB

      MD5

      213eeb5e8f54231f68e5b26a0fc81bd1

      SHA1

      1bc31a42536eacbb57d1cd92ec4b5524a82264d2

      SHA256

      b309045509efc205eb35d6037d64640093fde6c54ec5934e329b447417005a50

      SHA512

      ce35c5f453126c98329df141f821c55692f9252549c76921c231d8170df356cda1689e636758519c0b6898f11b5c836cdb4967d296b99f915e4d1980470a083b

    • 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-1-5-21-3533259084-2542256011-65585152-1000\_desktop.ini

      Filesize

      9B

      MD5

      e02899454c67c7d6d1af854fdcb53b67

      SHA1

      26fb213f7c299c2a4d8c4afd234ee0b751d7a30e

      SHA256

      0e67e90646d3ba7b46f935b205c9f89e8bff2dca7aeda3cd5dfb93868b262315

      SHA512

      e1519bebf62ab4cb28e630a201312812e04f815ec0663f7b68b478da97c0bf7c7c2238a8632540d3d1f37acbe83919fb198b39ebeb222c19faa2130ab65ffffa

    • memory/1188-30-0x0000000002E10000-0x0000000002E11000-memory.dmp

      Filesize

      4KB

    • memory/2064-33-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2064-2964-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2064-4157-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2548-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2548-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2548-20-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2548-13-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB