Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 14:11

General

  • Target

    ba1059b8d62b45a80c5dd751c410a6f3.exe

  • Size

    2.0MB

  • MD5

    ba1059b8d62b45a80c5dd751c410a6f3

  • SHA1

    c7d7b4c2b64cd3b757992b2a4d54f957d8c36fad

  • SHA256

    62ed3c03ac9d98da4d9641034ab4f9574a4c0d91e73475947072b421aa09b385

  • SHA512

    c44a2c9b2347771e9bb3e117bc7704e171070072389c6ba6f3922f203e8865014f06c2fec90efa7651ce17b134fe9ce996e50d706b999e5f6732ebede05738c9

  • SSDEEP

    49152:8RLnUNibk/JWzLhMyag+DXUTQVAU5jaNayWdb3GpVByag+DXUTQVAU:MAkbk/JWzLhMyag+rUMVAUANB6STBya1

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 18 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba1059b8d62b45a80c5dd751c410a6f3.exe
    "C:\Users\Admin\AppData\Local\Temp\ba1059b8d62b45a80c5dd751c410a6f3.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Local\Temp\ba1059b8d62b45a80c5dd751c410a6f3.exe
      C:\Users\Admin\AppData\Local\Temp\ba1059b8d62b45a80c5dd751c410a6f3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 616
        3⤵
        • Program crash
        PID:4468
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\vORki5mv.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 608
        3⤵
        • Program crash
        PID:2680
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ba1059b8d62b45a80c5dd751c410a6f3.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:4444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 652
        3⤵
        • Program crash
        PID:4132
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 736
        3⤵
        • Program crash
        PID:3652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 632
        3⤵
        • Program crash
        PID:1996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 724
        3⤵
        • Program crash
        PID:4424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1468
        3⤵
        • Program crash
        PID:3272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1928
        3⤵
        • Program crash
        PID:1608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 2144
        3⤵
        • Program crash
        PID:4472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 2104
        3⤵
        • Program crash
        PID:4572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1940
        3⤵
        • Program crash
        PID:1888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1932
        3⤵
        • Program crash
        PID:3036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1892
        3⤵
        • Program crash
        PID:2636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1936
        3⤵
        • Program crash
        PID:2764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 2152
        3⤵
        • Program crash
        PID:2316
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 2144
        3⤵
        • Program crash
        PID:5052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1872
        3⤵
        • Program crash
        PID:3876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 616
        3⤵
        • Program crash
        PID:2704
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 1WOV8tOcae1c
    1⤵
      PID:720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2388 -ip 2388
      1⤵
        PID:2588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2388 -ip 2388
        1⤵
          PID:1748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2388 -ip 2388
          1⤵
            PID:3484
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2388 -ip 2388
            1⤵
              PID:2984
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2388 -ip 2388
              1⤵
                PID:548
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2388 -ip 2388
                1⤵
                  PID:1648
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2388 -ip 2388
                  1⤵
                    PID:4296
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2388 -ip 2388
                    1⤵
                      PID:3952
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2388 -ip 2388
                      1⤵
                        PID:3760
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 2388 -ip 2388
                        1⤵
                          PID:4772
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2388 -ip 2388
                          1⤵
                            PID:1236
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 2388 -ip 2388
                            1⤵
                              PID:1764
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 2388 -ip 2388
                              1⤵
                                PID:1476
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 2388 -ip 2388
                                1⤵
                                  PID:720
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2388 -ip 2388
                                  1⤵
                                    PID:892
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 2388 -ip 2388
                                    1⤵
                                      PID:904
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 2388 -ip 2388
                                      1⤵
                                        PID:3468
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2388 -ip 2388
                                        1⤵
                                          PID:1172

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\ba1059b8d62b45a80c5dd751c410a6f3.exe

                                          Filesize

                                          1024KB

                                          MD5

                                          548b74ece941f024a403c621f4bbb203

                                          SHA1

                                          84a175a2f53a60d2183816927df84474c5059428

                                          SHA256

                                          c9c58b4a0da619f19ce69f6dbd03bc723b317a0ace3f662d56d465faa698b98c

                                          SHA512

                                          774b1f86d04884516acfe4d34273c68b89590d254bb628d71384e867586e9ccc215d638ae3252f70d52a2b7e8ac59ae97dbf3029f9c595734f938582c1cce8ad

                                        • memory/2388-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2388-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2388-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2388-16-0x0000000025010000-0x000000002508E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2388-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4036-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4036-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4036-4-0x0000000025040000-0x00000000250BE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4036-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB