Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 13:17

General

  • Target

    211da615bc1c5bda63e8ed3caecaf68b.exe

  • Size

    501KB

  • MD5

    211da615bc1c5bda63e8ed3caecaf68b

  • SHA1

    818ee48249335fc10b8b6fc42fca35bb66e9a95a

  • SHA256

    0a8b4703517118f05483c8d7f3416130f1e8cb5e512fd4a756c2fb4ada2cd43f

  • SHA512

    39cf4441d480647eb23f0744a86b5e2af62850da9d44ac096613ce1a085a7ed720b6903a4c909a7bb1f8277e4c5274e30ddff894eb3595cbeafa0a1cac71aabd

  • SSDEEP

    12288:vRjPijdsbNjk1gl0cDdvC1wG1/fKyXzaVY0A5:vVmd4jBxvI1/fKyXzr0

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\211da615bc1c5bda63e8ed3caecaf68b.exe
    "C:\Users\Admin\AppData\Local\Temp\211da615bc1c5bda63e8ed3caecaf68b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\211da615bc1c5bda63e8ed3caecaf68b.exe
      C:\Users\Admin\AppData\Local\Temp\211da615bc1c5bda63e8ed3caecaf68b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4604
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\211da615bc1c5bda63e8ed3caecaf68b.exe" /TN xWvB9PLxff3d /F
        3⤵
        • Creates scheduled task(s)
        PID:2120
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN xWvB9PLxff3d > C:\Users\Admin\AppData\Local\Temp\ticSmcL0.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3908
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN xWvB9PLxff3d
          4⤵
            PID:2548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 616
          3⤵
          • Program crash
          PID:2304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 648
          3⤵
          • Program crash
          PID:2960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 656
          3⤵
          • Program crash
          PID:1808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 760
          3⤵
          • Program crash
          PID:680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 780
          3⤵
          • Program crash
          PID:552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 836
          3⤵
          • Program crash
          PID:2456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1456
          3⤵
          • Program crash
          PID:740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1860
          3⤵
          • Program crash
          PID:3116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1924
          3⤵
          • Program crash
          PID:2232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1928
          3⤵
          • Program crash
          PID:3524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1868
          3⤵
          • Program crash
          PID:400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 2156
          3⤵
          • Program crash
          PID:4588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1976
          3⤵
          • Program crash
          PID:4376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 2096
          3⤵
          • Program crash
          PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1924
          3⤵
          • Program crash
          PID:1704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1980
          3⤵
          • Program crash
          PID:4364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 2004
          3⤵
          • Program crash
          PID:3712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 648
          3⤵
          • Program crash
          PID:3484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4604 -ip 4604
      1⤵
        PID:2500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4604 -ip 4604
        1⤵
          PID:3912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4604 -ip 4604
          1⤵
            PID:4212
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4604 -ip 4604
            1⤵
              PID:4976
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4604 -ip 4604
              1⤵
                PID:2232
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4604 -ip 4604
                1⤵
                  PID:1032
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4604 -ip 4604
                  1⤵
                    PID:1408
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 4604 -ip 4604
                    1⤵
                      PID:3436
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4604 -ip 4604
                      1⤵
                        PID:732
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4604 -ip 4604
                        1⤵
                          PID:4504
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4604 -ip 4604
                          1⤵
                            PID:3236
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4604 -ip 4604
                            1⤵
                              PID:5040
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4604 -ip 4604
                              1⤵
                                PID:3972
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4604 -ip 4604
                                1⤵
                                  PID:4848
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 4604 -ip 4604
                                  1⤵
                                    PID:1400
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4604 -ip 4604
                                    1⤵
                                      PID:4388
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4604 -ip 4604
                                      1⤵
                                        PID:3940
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 4604 -ip 4604
                                        1⤵
                                          PID:4856

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • memory/1216-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/1216-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/1216-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/1216-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4604-16-0x00000000018C0000-0x000000000193E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/4604-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4604-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/4604-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/4604-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB