Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 19:01

General

  • Target

    b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1.exe

  • Size

    88KB

  • MD5

    f2669978d5f4898f94c36890bc71f311

  • SHA1

    e6022c5df293b115f231a393b2a22d462e653eab

  • SHA256

    b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1

  • SHA512

    781ae9b9e28ccaf6752289f0bbbd93dc9ce8444f330ac8bf766ef1479bb280ade11741702303703cf9d73f34dc8a28cfdb1a1205c75d927e0f530b7b76da5ad5

  • SSDEEP

    1536:Hsae+Zk7qzUJBeLkbiT29dX42zHxvuS6YGJYjilZrPMC5V:Hsae+aezUDbHXR6Y0ZIC5V

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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 10 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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3564
      • C:\Users\Admin\AppData\Local\Temp\b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1.exe
        "C:\Users\Admin\AppData\Local\Temp\b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2260
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3472
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4200
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a90C6.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1076
          • C:\Users\Admin\AppData\Local\Temp\b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1.exe
            "C:\Users\Admin\AppData\Local\Temp\b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4656
        • 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:2992
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4764
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5104
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2968
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3184

    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

            257KB

            MD5

            9650ed78debcd79b8f4e5437297bbd81

            SHA1

            0087f5d3fe8221d62addade22b600824f8818421

            SHA256

            4e8693622b732fdaf953b7ca5192466ac524201740945d849bd6afd0404817e3

            SHA512

            9c66a42d83f9e132d09db322c00ca7404b6f7285f5d6cf4848aa7c1b4b82d35e8a0ad319780c38aa3f504d091b918d89a5bd683c85d24724c079ba9d2e58f658

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            583KB

            MD5

            3ba4190218dc871fa2a4c0387d0d3a00

            SHA1

            a4d60147752e2d668583e2be441a228f72b80fa7

            SHA256

            2506e369572544475c9fb47de4280dcd91678c168936b1d0afebe7fd8acc0c78

            SHA512

            6142ef886894937dd7e95de25d28fc272c0fcccead142b8439958616877cd1cad9f86626ea51e7e73b6442d98f7d2006a7f5ec47bbb8a8683332f728584bc95d

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

            Filesize

            649KB

            MD5

            1ad09ab121869e9bedf81b1e82331d05

            SHA1

            21270e52207071b7d304acb7d776c9abba38c15c

            SHA256

            834cd914a6bc7c3eadf3b23bacc01433aa6a32411ab547d958604a1c434518b7

            SHA512

            4b1f28d726ec031fd0350a21ea7091087ae2688818716f7add7524fdf06a07d5937a4aa53c6029d2fab093714b1b48b8032927b56e2c207158946f6c71e6646b

          • C:\Users\Admin\AppData\Local\Temp\$$a90C6.bat

            Filesize

            722B

            MD5

            22d93b9e27da4cc02a958cb9c252dcbf

            SHA1

            6a95bdeca1f31b4227544edccba14419d0456baa

            SHA256

            2a776a475814b770fcbcade8dd851b3df95ba332aaa2008796b22227b84f486d

            SHA512

            6df60b879aa978e42215ba7e50d7584f5d30e40ad5a5a7bb081ef0ea635a30921019aaeb1819b52b9c059557a7aef2663e4bef6c2a99cfeafa7c029b94ab3181

          • C:\Users\Admin\AppData\Local\Temp\b064850af1e35a56f6243ecbe8835d31ca4cd1bf9f437765c8589f8911f3e7d1.exe.exe

            Filesize

            48KB

            MD5

            422a02111fabd3e229ffd105d6054f56

            SHA1

            7930d07dbc89c1113eec7cbd492daf3a025939b2

            SHA256

            2d6bd317e34216f318ce9fb34fbc24e6260b1472930a8c0f126792f8ff821a9e

            SHA512

            a46b5f8b6cb3cf2cb9714a0708ff63dfe4b543ab4a651f2b8ab93ce54ae77e8c7f6d67a8d9d4481957ada966f778ac6d1cceb24b1d8bbad2a6bca77b0bc9ea59

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            dd45e175b084f3e7b3923cb8fcb3833b

            SHA1

            e44896aa2e3e4a8ba6677fd10c4eac8315b3939c

            SHA256

            cff2b960d67366aedaec8aaa4388a3537000a7253a3eeef378d24e1a171a4f13

            SHA512

            562284581292c3965df7e1f95bcffa2047d9a9e42e863e32b9cfc7b289270db24ca1ecb004f26d499d9901c49c11844cf3868b93b4b704f30a98ba4b52824fba

          • F:\$RECYCLE.BIN\S-1-5-21-1176886754-713327781-2233697964-1000\_desktop.ini

            Filesize

            9B

            MD5

            ece8e24737d1957fb4e94d8890ee8d02

            SHA1

            6c79bfb99f560a2102a903116f5a0c195f7885e4

            SHA256

            d920366b3c62a677cf0cf1f267a7c2f3dd693f2ff60ee023091bf9c39c5e30b8

            SHA512

            ccf58b4da1ad1379a546f307bca8dc4452a61a3cb443814f4d9566b8d8d35cc9d794ada4d1a13296ed5bc0248ba5ef538e5dc5e22861c2ead3f479beeb5c2d37

          • memory/2260-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2260-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2992-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2992-5222-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2992-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2992-8760-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB