Analysis

  • max time kernel
    137s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2024, 12:07

General

  • Target

    df1f9c2889659496440dace959ca41fa.exe

  • Size

    6.4MB

  • MD5

    df1f9c2889659496440dace959ca41fa

  • SHA1

    ebd3ee139379880bce02733c71af03b4d4bec7ab

  • SHA256

    96134c74d691eb802dd3e1d96543c5d74674d77621e117124a9f930fac4df997

  • SHA512

    1e535d4f082cf5be2d9210cff7e0d3aae4dd8942c7d27b9eabb549b7932796cc993753ebbfce66621083c869f6015968cf652ea628eac9868984112c15402f0a

  • SSDEEP

    196608:xc/OpJAdlewo+v6CdlcaF1dlewo+v6Cdl2djWodlewo+v6CdlcaF1dlewo+v6Cdw:x2GJva0aaia0aM

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 1 IoCs
  • Program crash 17 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\df1f9c2889659496440dace959ca41fa.exe
    "C:\Users\Admin\AppData\Local\Temp\df1f9c2889659496440dace959ca41fa.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Users\Admin\AppData\Local\Temp\df1f9c2889659496440dace959ca41fa.exe
      C:\Users\Admin\AppData\Local\Temp\df1f9c2889659496440dace959ca41fa.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\df1f9c2889659496440dace959ca41fa.exe" /TN Zu1tk2JP99e9 /F
        3⤵
        • Creates scheduled task(s)
        PID:912
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Zu1tk2JP99e9 > C:\Users\Admin\AppData\Local\Temp\K11MO.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Zu1tk2JP99e9
          4⤵
            PID:5912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 608
          3⤵
          • Program crash
          PID:5696
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 632
          3⤵
          • Program crash
          PID:5600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 640
          3⤵
          • Program crash
          PID:5236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 636
          3⤵
          • Program crash
          PID:3060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 748
          3⤵
          • Program crash
          PID:5392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 800
          3⤵
          • Program crash
          PID:5404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1468
          3⤵
          • Program crash
          PID:3752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1908
          3⤵
          • Program crash
          PID:2756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 2144
          3⤵
          • Program crash
          PID:5456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1948
          3⤵
          • Program crash
          PID:2232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1912
          3⤵
          • Program crash
          PID:5872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1988
          3⤵
          • Program crash
          PID:1260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 2100
          3⤵
          • Program crash
          PID:5668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 2104
          3⤵
          • Program crash
          PID:2348
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1904
          3⤵
          • Program crash
          PID:4156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1972
          3⤵
          • Program crash
          PID:5288
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 628
          3⤵
          • Program crash
          PID:4408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2416 -ip 2416
      1⤵
        PID:2076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2416 -ip 2416
        1⤵
          PID:4920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2416 -ip 2416
          1⤵
            PID:3424
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2416 -ip 2416
            1⤵
              PID:3684
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2416 -ip 2416
              1⤵
                PID:5588
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2416 -ip 2416
                1⤵
                  PID:5416
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2416 -ip 2416
                  1⤵
                    PID:4888
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2416 -ip 2416
                    1⤵
                      PID:60
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2416 -ip 2416
                      1⤵
                        PID:2580
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2416 -ip 2416
                        1⤵
                          PID:5356
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2416 -ip 2416
                          1⤵
                            PID:1768
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2416 -ip 2416
                            1⤵
                              PID:4680
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2416 -ip 2416
                              1⤵
                                PID:3280
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2416 -ip 2416
                                1⤵
                                  PID:2456
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2416 -ip 2416
                                  1⤵
                                    PID:2248
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2416 -ip 2416
                                    1⤵
                                      PID:916
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2416 -ip 2416
                                      1⤵
                                        PID:5328

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\K11MO.xml

                                        Filesize

                                        1KB

                                        MD5

                                        2a5d13d1ff07f7fd3b4545f42d3a075b

                                        SHA1

                                        d7c44127ec8f8ccf38baad2f93527c405624f616

                                        SHA256

                                        e75297d707e01e96bf3dd6c5a09168faea9208440faaa8198e992f0328853bf1

                                        SHA512

                                        06d64aa03227d5c60048bb478f37d39ccec0de5a44c1f0ee7fa3eea60f56ebd5baf52e84c1acb4554d1165e4f4e0dd1e1d17e0865e877716a04dfe61f8a0c920

                                      • C:\Users\Admin\AppData\Local\Temp\df1f9c2889659496440dace959ca41fa.exe

                                        Filesize

                                        6.4MB

                                        MD5

                                        80890e70445d300fd4e0bcadd918103f

                                        SHA1

                                        1da2d4ade790d8359bf102b8e322ce22cda22be8

                                        SHA256

                                        67cd07698551161c16964b587678ed67475e7c725148656fabae62449653faf6

                                        SHA512

                                        ca5575b76446555ff1b6e18907104d7861fa7bb14ec4807f6c4ee73739994954afe5e323f1b28a29a238fd296825c1668c7c03f0565fb11fa6e16ae42e897f46

                                      • memory/2416-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/2416-16-0x0000000001730000-0x00000000017AE000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/2416-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/2416-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                        Filesize

                                        364KB

                                      • memory/2416-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/4896-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/4896-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/4896-4-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/4896-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB