Analysis

  • max time kernel
    150s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 18:45

General

  • Target

    a0b1f03ea7685264b2995860d6dff1bc7c045f7f9d9e76ee5a09c675f7f5f509.exe

  • Size

    37KB

  • MD5

    91655cf58ff9d2338433f7d2e2c0fab2

  • SHA1

    c97e280b563a30fda99bf41a8b792017e7a45a83

  • SHA256

    a0b1f03ea7685264b2995860d6dff1bc7c045f7f9d9e76ee5a09c675f7f5f509

  • SHA512

    b9968aa3b5ea598b8579f5024d6983e02b7c018830b68e466e9eb72db405f17351d26dd66bc04c7ed46ea33e4786db83d1f34100d7c72841c001e77340fe7570

  • SSDEEP

    768:mYBPLze+Vxr1x5cE9Fl5pz8UOutDlMXaoSunjXWNNCn3:/B3esrz8VuJlMXaDuiNE

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\a0b1f03ea7685264b2995860d6dff1bc7c045f7f9d9e76ee5a09c675f7f5f509.exe
        "C:\Users\Admin\AppData\Local\Temp\a0b1f03ea7685264b2995860d6dff1bc7c045f7f9d9e76ee5a09c675f7f5f509.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1060
          • 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
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8482.bat
          3⤵
          • System Location Discovery: System Language Discovery
          PID:408
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:5032
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4176
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2368
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2400
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4624

    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

      45b8c2961d446e32271525fe7f5708c2

      SHA1

      96e86a21767116d457e02d2337eeef5bc663ec10

      SHA256

      e4eec557603adcb1d11e45ccb817ca357c72ab1a820b32d328393471ce7da7f0

      SHA512

      2375dbf2aa6ccaa10cff817c2c68d093954041d546703c98030a34ee4051e4b7d54e3821331be04a5b74800e86ecdd7941aeacd8934b3c9d715af515a0e820c0

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      cb63ba27bed95f0e88239c414ce4c135

      SHA1

      f8705182b5a8fc2487c4a3ddbd4add74d2f803b1

      SHA256

      5b7a0027f9c62b4a4509f1896797b08389f922880c8e4ba55d7bb65266edee1c

      SHA512

      b3107fc5f0d008e30063f532f3790e738d2d1c2645830628113e1b9895396a1fd8a95c0c99540d5fc138ed641af3999ee4be57d20bf01f532329a73550607cfa

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

      Filesize

      644KB

      MD5

      f9bda517f882e3c2636d44cfa30c8ef0

      SHA1

      06822afcd175307e76db635fa14c80b4708458ba

      SHA256

      cb3149e29fc3c22b6ed7a427146780eb251e10b54153139535f6999b33037de8

      SHA512

      e6c867020f86944f79cb768de9a01c60c36bbbf2937cf8cecb096ad578d06a2a37a3976665f2063da1e3e3be62ff26b520abe26d442e084e0b496d5ab08e1050

    • C:\Users\Admin\AppData\Local\Temp\$$a8482.bat

      Filesize

      722B

      MD5

      5677ab761f140cd23f84b85d23e2d95d

      SHA1

      a142511b380154f6195cb6a9a0e805aa05b19503

      SHA256

      40de632347f53ac498cdbc65cffec74d718e5cecfcf99bd0e613bd67808b6f8b

      SHA512

      8d05a0fb9ce44a2b35433141da1a8967024d66a753c1e62f15c4308779b867c80a10fd23df83026ba29c9a34abaaadddc990b16b82a8f54ede0e5f63617327bd

    • C:\Users\Admin\AppData\Local\Temp\a0b1f03ea7685264b2995860d6dff1bc7c045f7f9d9e76ee5a09c675f7f5f509.exe.exe

      Filesize

      4KB

      MD5

      99b96f7f497e9e216da4b7c9979810e5

      SHA1

      2c424f82747581db2b35673eb22ba321d573944b

      SHA256

      7c3300179b3d9ab57042a5f026a69fac3b0e2e783e94853ff109a29d2d3f541b

      SHA512

      90a0b888f474fa5505f39ca7575635a7ea839e4e23cf9d573c99d7b3b226036fb0b82e17900012aed9fe1c8b4985488e22df0421ad66dbff9d4fcf4be0455212

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      bb11dab5fe4276495d89786d8ebad6d3

      SHA1

      c374fd62c76134ff418f699bf3ae286bbb2c76f6

      SHA256

      3bab9934c381ac4f93475f2451aa1dfe618e4735ac13a26b578c6983c5f1b649

      SHA512

      1d56859363025f43d3b531ac68ae63546ed01fe7e11082d11e9b209b76b9048ad9fd3f7c5ff2f7ab092737f2f98ccc0c56d54b4901f6d0a0262de4e49caabb87

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      8B

      MD5

      5d65d1288c9ecedfd5f28d17a01a30bc

      SHA1

      e5bb89b8ad5c73516abf7e3baeaf1855154381dc

      SHA256

      3501728ad227b52ce4d4f85ddd0e6d28dfa7acce977ae27f1e337be209825a5f

      SHA512

      6177ce001dd535382c3bae5e8c3cfda85d8d8b76b68bce10fa8e5e1e748fd1512a531ffc93fef1316f2c27d93b5b4a5b60a6391f0e131ccc5cc0a65c2755868e

    • memory/2616-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2616-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5032-17-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5032-2804-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5032-9-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5032-8756-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB