Analysis

  • max time kernel
    150s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 10:01

General

  • Target

    3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122.exe

  • Size

    67KB

  • MD5

    54670b38fc5e3a71e6b2cf20548ca53a

  • SHA1

    90efa1d6bab580adf062eb52bc7786607add66e5

  • SHA256

    3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122

  • SHA512

    74d60c20580bbcc1a9c87c51497cb8b6d71516f9c9f9a8cdf427b634542d86c697d535e0c1a0722556df882f667bdaf0d1fa9fc52ac7079a99e58489b162454f

  • SSDEEP

    1536:25vaYzMXqtGNttyeiZnZLYm1L/MF0Vz5gpEaDoc:25vaY46tGNttyeQLYm1L/W0VzBaDP

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 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
  • 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:1396
      • C:\Users\Admin\AppData\Local\Temp\3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122.exe
        "C:\Users\Admin\AppData\Local\Temp\3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122.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:2296
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1484
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1748
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aC9A5.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2348
          • C:\Users\Admin\AppData\Local\Temp\3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122.exe
            "C:\Users\Admin\AppData\Local\Temp\3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122.exe"
            4⤵
            • Executes dropped EXE
            PID:2988
        • 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:2780
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2800
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2936
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3004
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2700

    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

      4258928e4ce58201c413f84a8716e842

      SHA1

      02106a1cc261f45f2384999f6caa525e4e58f552

      SHA256

      a1215935c51beff41ce997c68bd4c677c745b002782714064596a66414864762

      SHA512

      e6b04fde5600c26023e06a3eee784d4e84532db198c0fb6f97a2be29d3257b5f52a93dd7e0b001dbb8c82c67df9351e183119967739eca08d0ef6ab414b137a2

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

      Filesize

      478KB

      MD5

      8570085d6376ce20619da309fc24d598

      SHA1

      26e5e2041b4a2085e461394522d544cdd1784938

      SHA256

      5a7bdabc9772cdb871fd25438f84260cec940dd512a00064f98fb7b00f528199

      SHA512

      1f436a715e9b013fcc4c74aa06022bbee257ac76453ce419e12fd3d4f0ee2418b4f96d244be5112cdc938906ca0940c3d1650ae1fe962b8b004a433144da29ea

    • C:\Users\Admin\AppData\Local\Temp\$$aC9A5.bat

      Filesize

      722B

      MD5

      b106b62e6069c6c01ef291cb4dd5aa5f

      SHA1

      bc0296712f7e6a647402f27c6dfb93fbc4185527

      SHA256

      bb4d29c5bc8182a38ff1b7bd97516a4aa27c43e2f8885f529e8d881017d9aced

      SHA512

      1264bab65969517b3c7f99c65082f0d6e5eeae810255eefb12f74cb749d25b9fc70f453df9db7181ba2c3a23f3e03456be508cd8b061d92f54fd134795fe8270

    • C:\Users\Admin\AppData\Local\Temp\3167a67f908870f6bec40ffdb660f18fadf2e3adecc30ccea68c388e7527e122.exe.exe

      Filesize

      33KB

      MD5

      cfcf15f5729649399cfb9b2590c9e80a

      SHA1

      f595a3f2812a29492326e5a0478f3924bcbae545

      SHA256

      b6fde5431374f5cc8a2b6b6953d7c466ce8828faf68c43661a2c0cf87481868f

      SHA512

      bbd925abf352af8962ab5e7d4b76bc4146e806cb0f8fde8a7cc2c13318450b46dd5529f6855065241de56efd72e33f4f9961ef5aa4ba8fd3c1ca312444ac8e19

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      9b0f16b12d71551be6c00a7d2a3c292e

      SHA1

      14d2344bb1434d949f498e739a58245c21c9fb2b

      SHA256

      7d6b34fe34c3ba13bf6e4fe4c0f01a34ad787b9ca163af0a60e89303b051985e

      SHA512

      c34198f035ec58f7c7e69bcff90e7b3bb55309138ef1f744d9b5318086d90f3b28e3edc79bee7adc5d35f3457afd2ef3daf98a216c75d566bbc6b5c84cd67e1f

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

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\_desktop.ini

      Filesize

      8B

      MD5

      646a1be8fae9210cfba53ee1aab14c96

      SHA1

      8677ff347131a9c8304f10b48012ebd8b075030c

      SHA256

      660d57a3dc71884e70a9cbd6ca26d02872f4706abeb098c6d35f6b217462edf5

      SHA512

      812b716a422628d486a4c78c66a85c641f13976537fbd452e14fab9a6c440b442632df04de8437c485c9c8164e3b3499201d3dbe681b36fe6bec749df1ab75e4

    • memory/1396-31-0x00000000024C0000-0x00000000024C1000-memory.dmp

      Filesize

      4KB

    • memory/2296-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2296-18-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2296-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2296-20-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2780-35-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2780-2965-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2780-21-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2780-4148-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB