Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3440
      • 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:1664
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3684
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3560
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aC081.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4336
          • C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe
            "C:\Users\Admin\AppData\Local\Temp\4d177b1a7e2988ce2f0822b0bf3047358735cbb21145507e25b2a62d2be19deb.exe"
            4⤵
            • Executes dropped EXE
            PID:3680
        • 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:3032
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3880
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1492
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3888
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      251KB

      MD5

      7a6f8ab58667a59bfb5ac00fd008eea7

      SHA1

      226085e13ab8ea82db6303fa645d6cdea26a7a59

      SHA256

      5406d9865a09068c64014c3a58fe830ef76ec34ee6944f1646a01d036c9d991c

      SHA512

      9a4954cd80b6e36e1ae80b58a62fc345ee702f76d1264a52c4506bf3e1b356578a6d8d229811459a5e592b31ef7c50592076ca5ac0740b76b34ca60c1646c0ef

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      75805a3f66de16d721b88cd2262437db

      SHA1

      f0573805792acbcadc1519bf7d7c48dbaa4f2aa9

      SHA256

      7969ce8077e3373c02aa56f4296cb61e0718955bdb748b9a1a0ebe8f5bd81264

      SHA512

      aa4d9ee286281f45432e16c41995b7456d845eaa039d2106c645f6cd6220c417d1b457174546d61324f6692d467fba46085842e9af8eba3e5fd93de0ba537797

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

      Filesize

      644KB

      MD5

      d3f7a4609bee92e23ccb350fb23b9a7b

      SHA1

      c543400938d8f8843c31089afea9a3e73bb5919a

      SHA256

      7f1318a0912a33c7f571912a1f41e060167e64684fe1e4b45d2fc7a6add89d04

      SHA512

      c5e16ba4a754d48b64b8b5eac36271e9449c682d2a44f14e7fb6aa7ecde3e30836573097fc79de6679d1f0e73ba80f9cfa8bbcf584698412bd1175e8823f74d4

    • C:\Users\Admin\AppData\Local\Temp\$$aC081.bat

      Filesize

      722B

      MD5

      f57e9bb7502adaa0eeb0a2e7068bb3b1

      SHA1

      5a9c4256b0dccabf50ba4bca553b4b29fb6a5e7a

      SHA256

      5a7764397a7ed9c400337e47d85559abca44f32c9a68977cfad460e90d3e6832

      SHA512

      e8ca907b70cf7a961a8b63419b475a7fc0f7c10efbbcf152550df56aef6f1d42ac6a16934852baa3a57534d107cf010da1b158c6be5bda1dfba65d7083ab14d8

    • 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

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-3350944739-639801879-157714471-1000\_desktop.ini

      Filesize

      10B

      MD5

      b234f65c842f48c59a94b913a3a270d2

      SHA1

      2caeaf8fe301b48b9c9195fae787e987e3d209ab

      SHA256

      d2077e75e01aa96dc8079388609587061dab8165a9685c5cb1570fbb55f5a91a

      SHA512

      efae04d13638d5d9253f4dd5ff53cb38d78004911d3e0126192421901fe7be04d248ce2bfb236b792c69d9e444e1a48234dfe345166ada5855c08b4813d35077

    • memory/1664-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1664-12-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3032-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3032-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3032-1821-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3032-7788-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3032-8717-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB