Analysis

  • max time kernel
    135s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 10:39

General

  • Target
    2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe
  • Size 2.6MB
  • Sample240507-mp763scd91
  • SHA256 2d7389d3f60f3bdc24e53f109a99a3613700c0cced44919b86ddc27f1f555c3b
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Users\Admin\AppData\Local\Temp\@AE3E51.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\@AE3E51.tmp.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3864
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5044
          • C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4084
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:100
              • C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 4084
                7⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Adds Run key to start application
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:544
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat" "
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3668
                  • C:\Users\Admin\AppData\Local\Temp\wtmps.exe
                    "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
                    9⤵
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:4488
                    • C:\Windows\SysWOW64\mscaps.exe
                      "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
                      10⤵
                      • Executes dropped EXE
                      PID:812
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
          4⤵
            PID:5116
        • C:\Users\Admin\AppData\Local\Temp\2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe
          "C:\Users\Admin\AppData\Local\Temp\2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe"
          3⤵
          • Executes dropped EXE
          • Writes to the Master Boot Record (MBR)
          PID:4552

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2024-05-07_32d871eaf10e0bc7326371188a74bda8_darpapox_magniber_nymaim.exe
          • Size 875KB
          • SHA256 a38e442d53dc023451f43f7b9f27ed7fef47e60a67edc188f84ffe535071bfca
          • MD5 SHA1 SHA512 SSDEEP

          510E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\510E.tmp
          • Size 406B
          • SHA256 27e678bf5dc82219d6edd744f0b82567a26e40f8a9dcd6487205e13058e3ed1f
          • MD5 SHA1 SHA512

          @AE3E51.tmp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\@AE3E51.tmp.exe
          • Size 1.7MB
          • SHA256 4aef31afecebd4f092e3f5c7a9a33954e07e21a56d5c7c99ad9a8b064dc90723
          • MD5 SHA1 SHA512 SSDEEP

          tmp4565.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4565.tmp
          • Size 1.0MB
          • SHA256 07ffcde2097d0af67464907fec6a4079b92da11583013bae7d3313fa32312fe8
          • MD5 SHA1 SHA512 SSDEEP

          tmp4576.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4576.tmp
          • Size 229KB
          • SHA256 70a392389aecd0f58251e72c3fd7e9159f481061d14209ff8708a0fd9ff584dc
          • MD5 SHA1 SHA512 SSDEEP

          tmp4577.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4577.tmp
          • Size 120KB
          • SHA256 01631353726dc51bcea311dbc012572cf96775e516b1c79a2de572ef15954b7a
          • MD5 SHA1 SHA512 SSDEEP

          tmp4588.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4588.tmp
          • Size 126KB
          • SHA256 ae5697f849fa48db6d3d13455c224fcf6ceb0602a1e8ac443e211dd0f32d50f4
          • MD5 SHA1 SHA512 SSDEEP

          tmp4589.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4589.tmp
          • Size 89KB
          • SHA256 63149ad45db380f5dd15f65d9ceb2611d53a0a66e022483bee4ce2ff7d2610e2
          • MD5 SHA1 SHA512 SSDEEP

          tmp4599.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4599.tmp
          • Size 99KB
          • SHA256 5ec8093ef5939d1abce1c576097b584fb600b94ad767c1da897f7cb7f0063d26
          • MD5 SHA1 SHA512 SSDEEP

          tmp459A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp459A.tmp
          • Size 172KB
          • SHA256 27c945ccb84aa024f1f063701327e829a7ef3a7ede4a43b2febbb1dddbdf8740
          • MD5 SHA1 SHA512 SSDEEP

          tmp459B.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp459B.tmp
          • Size 276KB
          • SHA256 d2fa6f9686386a92253a9c5ea25ace702a111483540b60c1300789235cea7fdc
          • MD5 SHA1 SHA512 SSDEEP

          wtmps.exe

          • Path C:\Users\Admin\AppData\Local\Temp\wtmps.exe
          • Size 276KB
          • SHA256 3b20c853d4ca23240cd338b8cab16f1027c540ddfe9c4ffdca1624d2f923b373
          • MD5 SHA1 SHA512 SSDEEP

          launch.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
          • Size 172KB
          • SHA256 6a7093440420306cf7de53421a67af8a1094771e0aab9535acbd748d08ed766c
          • MD5 SHA1 SHA512 SSDEEP

          WdExt.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
          • Size 1.7MB
          • SHA256 674f6c0e2457706319502302cbbd01b6216babc2edc5bad8c574e8bf863702e7
          • MD5 SHA1 SHA512 SSDEEP

          Admin0.bat

          • Path C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat
          • Size 129B
          • SHA256 b3c704b1a728004fc5e25899d72930a7466d7628dd6ddd795b3000897dfa4020
          • MD5 SHA1 SHA512

          Admin1.bat

          • Path C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat
          • Size 126B
          • SHA256 831fed5f4cf30bde7053ae081acdd72956ccc09198cba8ce1becbda59bcf4080
          • MD5 SHA1 SHA512

          Admin1.bat

          • Path C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat
          • Size 196B
          • SHA256 ed6be4e90999d1d46e679a6496bea6714202087cd5eef20f7b26a6cd1488a778
          • MD5 SHA1 SHA512

          Admin2.bat

          • Path C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat
          • Size 102B
          • SHA256 4e7d460b8dc9f2c01b4c5a16fb956aced10127bc940e8039a80c6455901ea1f0
          • MD5 SHA1 SHA512

          mydll.dll

          • Path C:\Users\Admin\AppData\Roaming\Temp\mydll.dll
          • Size 388KB
          • SHA256 93db7c9699594caa19490280842fbebec3877278c92128b92e63d75fcd01397a
          • MD5 SHA1 SHA512 SSDEEP

          mscaps.exe

          • Path C:\Windows\SysWOW64\mscaps.exe
          • Size 200KB
          • SHA256 2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905
          • MD5 SHA1 SHA512 SSDEEP

          memory/3864-20-0x0000000010000000-0x0000000010015000-memory.dmp