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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13/08/2024, 19:37

General

  • Target

    2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d.exe

  • Size

    491KB

  • MD5

    65dd19564cf8d9136999784be998dffc

  • SHA1

    923b2520746c20ba98d0c47d273cb52a1c76a59c

  • SHA256

    2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d

  • SHA512

    7a1bd7162258a2c4d49569f2134242b9e271b9a53962c3954988925d777a5f05bb64fe59d727c4169403c32e3279b9bfb2d1871db85c21c3348a38f65245752e

  • SSDEEP

    12288:J21quIf1gL5pRTcAkS/3hzN8qE43fm78V:s1q45jcAkSYqyE

Malware Config

Signatures

  • 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:1184
      • C:\Users\Admin\AppData\Local\Temp\2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d.exe
        "C:\Users\Admin\AppData\Local\Temp\2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2060
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2640
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2736
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aFBBD.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2656
          • C:\Users\Admin\AppData\Local\Temp\2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d.exe
            "C:\Users\Admin\AppData\Local\Temp\2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d.exe"
            4⤵
            • Executes dropped EXE
            PID:2536
        • 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:2664
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2568
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2836
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2584
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      478KB

      MD5

      36ee61e120a8032f3502a9507973f37a

      SHA1

      2346447ef1958bd451ac3317f2343658598b9e78

      SHA256

      c26722adbb67a45285fcb049fd55346dd71c54e9b6d4fffaf4fa1ea08473f3a8

      SHA512

      8de97fd486a0f75de854d5a1d5aa0864a358755fd513a660fa3956c94b68c9b90557bf66db7015d10a6ae90e5bf4e5d1f63b7297917574af1580d24120e2bcea

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

      Filesize

      722B

      MD5

      320236aafcd20daad50dd9f8de9223ee

      SHA1

      d32d111b218fe00f00aeb383f3a9cc3a6ceafdc9

      SHA256

      78a173a9cf61b57883963ee0f0e3aa4bad12a5fcae0907f6fa0c5fbda32c3d82

      SHA512

      fa97990ee5b6852e051c18cd71944afc55a1a485667ea38cb4fed7a661ae116a5690c5c165ec571cb24af9ad020047577673a692d52756be18d23488f76bcb7e

    • C:\Users\Admin\AppData\Local\Temp\2b992dbb3e1520f201b49cad00f0b44d3e3824a09d4e15cce81e9a2b4362b72d.exe.exe

      Filesize

      458KB

      MD5

      619f7135621b50fd1900ff24aade1524

      SHA1

      6c7ea8bbd435163ae3945cbef30ef6b9872a4591

      SHA256

      344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

      SHA512

      2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      d9f4f8b3dccefdc485c02f1f0952a7bf

      SHA1

      fbc2711d2f6a163d04d61f501d5f80e79bb5da94

      SHA256

      c0ac58af88165336a655cc0a6353e2824cac0f5731d4458b50fce9a6266f891c

      SHA512

      cf4d794c9c21abda4cf00f11804bff10d1214e15c161aa8ab8821d32bb282f471db0f51e3a9e492d99315e4ff9e9f4cdeb0b8037bf357564d7ca269154dd2165

    • F:\$RECYCLE.BIN\S-1-5-21-3434294380-2554721341-1919518612-1000\_desktop.ini

      Filesize

      9B

      MD5

      b7beb43f344015405dc34dab081d8434

      SHA1

      f194ae965145f76e4825c67337ef69da96f3954f

      SHA256

      d069f2206a0ca683611b357b347af3abd4c559602b5617591232512e6c0e1b02

      SHA512

      ee85ee5a36f6fe3381a853d2e0a0209e3d83271f29a9f980d1cbfb0309430f26b2658eedc501c0639d0dd6c929b093b8f9bf1e1a3ff1179e581fc07ae635a678

    • memory/1184-27-0x00000000020A0000-0x00000000020A1000-memory.dmp

      Filesize

      4KB

    • memory/2060-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2060-17-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2664-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2664-31-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2664-3302-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2664-4153-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB