Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 04:55

General

  • Target

    4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe

  • Size

    369KB

  • MD5

    29bd6c5df89740aa8652a07c05a6c31d

  • SHA1

    637e1bb2173c0da069141f4ea149a65c6912ed59

  • SHA256

    4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb

  • SHA512

    4b99c69f2ee8ebd848489d935601f32f019b14062962c9833e6c3dd6108712c25eb2e66a9afa7214afc5fc32e45e197f320ff3169d0ea2e5a5e7802911ba172e

  • SSDEEP

    6144:d046tGdye41jzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:d03NbVU66b5zhVymA/XSRh

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:1388
      • C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe
        "C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.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:2188
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2008
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aE58E.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2724
          • C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe
            "C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe"
            4⤵
            • Executes dropped EXE
            PID:2956
        • 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:2888
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2752
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2908
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2824
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2052

    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

      64d9e1c93e64bf92fc61a36f111b7451

      SHA1

      d3f06fbf70887499106ae108c909eb08adef7e63

      SHA256

      a1ab2e633846bc0a57aea6826930a565a3c153423d132b323d65c888a41654e4

      SHA512

      1128b8b97db160a81852857f7bd6755b9d5dc6f02d8664f469b8ded5772c48e8de2f1e630f385eb6cdf66845383cae74f87c216752d0cac9141bec79ac64555d

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

      Filesize

      478KB

      MD5

      1706fdf65cef436b46a82b4b41b2fe8c

      SHA1

      9abac806be214e186a0fcc890ec19d5b98a58e82

      SHA256

      e32e35c6077821d95c687f149d27a8046d5285397927b9b56f386a860eea02dc

      SHA512

      6a8e5a6092bc2dc6e8bcebaf6dd53c1afb763a8e8dd0419ea848c1c73511675ec61b8070a0211ef68971f8d819910367a4ac14b0dca56598b0ab18e722d70ef2

    • C:\Users\Admin\AppData\Local\Temp\$$aE58E.bat

      Filesize

      722B

      MD5

      9ad881220a73f4007ab2afc5590b3dbd

      SHA1

      8b5f77ecaaa3c4c403805eb421b85675a3d17290

      SHA256

      e1714de43fa851c49729b1715503ac2966a72b0efb4162b2f1eefc53f209ad10

      SHA512

      5b9b0e11c6d358c071f4c908230fd41600b2f3207f93ef2a0ab3c0469a232b4da74117b32bafb44037b8e3616f05b73d6d3cf9c550cc9b522bae463b48004055

    • C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe.exe

      Filesize

      335KB

      MD5

      40ac62c087648ccc2c58dae066d34c98

      SHA1

      0e87efb6ddfe59e534ea9e829cad35be8563e5f7

      SHA256

      482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

      SHA512

      0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      b1c5147643da9a221f3690975e7c7ff0

      SHA1

      56a6c9189094076984bb8383629e3fa56391f5db

      SHA256

      5aade11cbc6566eae281f8bf38d84d6f543898263dda1dcd88232789443d82d6

      SHA512

      e3009410cbebe746b43fd2a4a9b6b5468f19535c9422a7a946b9f1c32308e42faf2400ff54b2c1987bbcf12736977158d0e99e02feada4504bcfe4fb9a734bd1

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

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\_desktop.ini

      Filesize

      10B

      MD5

      b234f65c842f48c59a94b913a3a270d2

      SHA1

      2caeaf8fe301b48b9c9195fae787e987e3d209ab

      SHA256

      d2077e75e01aa96dc8079388609587061dab8165a9685c5cb1570fbb55f5a91a

      SHA512

      efae04d13638d5d9253f4dd5ff53cb38d78004911d3e0126192421901fe7be04d248ce2bfb236b792c69d9e444e1a48234dfe345166ada5855c08b4813d35077

    • memory/1388-30-0x0000000002650000-0x0000000002651000-memory.dmp

      Filesize

      4KB

    • memory/2188-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2188-17-0x00000000002E0000-0x000000000031E000-memory.dmp

      Filesize

      248KB

    • memory/2188-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2188-13-0x00000000002E0000-0x000000000031E000-memory.dmp

      Filesize

      248KB

    • memory/2888-34-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2888-1662-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2888-4090-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB