Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 22:54

General

  • Target

    c450a9fcc4c59bef4de28088c5e37681.exe

  • Size

    2.0MB

  • MD5

    c450a9fcc4c59bef4de28088c5e37681

  • SHA1

    34fa64b6917b627c1d91a7f9a2d8db60f846ba42

  • SHA256

    d603616584bedca6b420b8cb36027fb7e3f5cd206b7f712052a5f0fb431ce96e

  • SHA512

    4259d644e414aede81227358fc389206ce62633a87d914dba272ec35254689b1585647886cd63ffcbc1c3a24764a364129ae77ade88b38d027caaa0040fa14b6

  • SSDEEP

    49152:48/JqaSK9JLUYi1dIFry+lQdHvw6Ozgf/DuPLUYi1dIFry+l:hqavXAYi1dIFry+ovw6OzqDYAYi1dIFJ

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 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\c450a9fcc4c59bef4de28088c5e37681.exe
    "C:\Users\Admin\AppData\Local\Temp\c450a9fcc4c59bef4de28088c5e37681.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Users\Admin\AppData\Local\Temp\c450a9fcc4c59bef4de28088c5e37681.exe
      C:\Users\Admin\AppData\Local\Temp\c450a9fcc4c59bef4de28088c5e37681.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c450a9fcc4c59bef4de28088c5e37681.exe" /TN s1xY9tnhebe4 /F
        3⤵
        • Creates scheduled task(s)
        PID:2552
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN s1xY9tnhebe4 > C:\Users\Admin\AppData\Local\Temp\b05zMp.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3484
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN s1xY9tnhebe4
          4⤵
            PID:2860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 600
          3⤵
          • Program crash
          PID:1776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 652
          3⤵
          • Program crash
          PID:2520
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 660
          3⤵
          • Program crash
          PID:1792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 736
          3⤵
          • Program crash
          PID:4312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 716
          3⤵
          • Program crash
          PID:872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 780
          3⤵
          • Program crash
          PID:364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1476
          3⤵
          • Program crash
          PID:4744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1920
          3⤵
          • Program crash
          PID:4996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2148
          3⤵
          • Program crash
          PID:2240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1952
          3⤵
          • Program crash
          PID:3920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1924
          3⤵
          • Program crash
          PID:180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2164
          3⤵
          • Program crash
          PID:3792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2108
          3⤵
          • Program crash
          PID:312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2128
          3⤵
          • Program crash
          PID:224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2160
          3⤵
          • Program crash
          PID:2212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2164
          3⤵
          • Program crash
          PID:2860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1988
          3⤵
          • Program crash
          PID:3168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 752
          3⤵
          • Program crash
          PID:3596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2960 -ip 2960
      1⤵
        PID:620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2960 -ip 2960
        1⤵
          PID:1588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2960 -ip 2960
          1⤵
            PID:2436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2960 -ip 2960
            1⤵
              PID:4684
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2960 -ip 2960
              1⤵
                PID:2820
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2960 -ip 2960
                1⤵
                  PID:2552
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2960 -ip 2960
                  1⤵
                    PID:5084
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2960 -ip 2960
                    1⤵
                      PID:2060
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2960 -ip 2960
                      1⤵
                        PID:4692
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2960 -ip 2960
                        1⤵
                          PID:4368
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2960 -ip 2960
                          1⤵
                            PID:364
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2960 -ip 2960
                            1⤵
                              PID:1988
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2960 -ip 2960
                              1⤵
                                PID:2688
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2960 -ip 2960
                                1⤵
                                  PID:1920
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2960 -ip 2960
                                  1⤵
                                    PID:2268
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2960 -ip 2960
                                    1⤵
                                      PID:3000
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2960 -ip 2960
                                      1⤵
                                        PID:1072
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3752 --field-trial-handle=3084,i,14217130992253490921,11543335378077656547,262144 --variations-seed-version /prefetch:8
                                        1⤵
                                          PID:2724
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2960 -ip 2960
                                          1⤵
                                            PID:3808

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\b05zMp.xml

                                            Filesize

                                            1KB

                                            MD5

                                            2083d95a68fd1bc2f7a8f545d6a1b73c

                                            SHA1

                                            17776a83f46c0ff62744cd3196f573e705ef86d6

                                            SHA256

                                            160cfb3e4fa63b48b8b124dae8ff44a6584eb04dfbefc79cf5b35a6e4de03042

                                            SHA512

                                            e6c5ab6c11aeec823ccc23bbae9774e29bd5641a260fe6b0ad428b4c2cdb60c7136e6c2d2c31954d05d161a52ecf3f79ac42aca170a2504cbafc67cd3be99aee

                                          • C:\Users\Admin\AppData\Local\Temp\c450a9fcc4c59bef4de28088c5e37681.exe

                                            Filesize

                                            576KB

                                            MD5

                                            8e74a26a14e4c386d42873f4e5c1a1c5

                                            SHA1

                                            0d6c97f2eabf7b6c157b62bbf0a94a741fb1ee78

                                            SHA256

                                            1ac72bd2a2be9f36bc94f9d6071a82677cafcef20f58a71ba5817dcad46ea003

                                            SHA512

                                            e26f5f908d3b48e40f30126080250a41246eb37dff078f12dfe6be5dcd0992889b7b4bac1c45a1f119bb83246ac1f6cc27bfd22e84ef227ac1132ff7008dfd5d

                                          • memory/840-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/840-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/840-3-0x0000000001720000-0x000000000179E000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/840-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2960-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/2960-16-0x00000000016E0000-0x000000000175E000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/2960-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2960-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                            Filesize

                                            364KB

                                          • memory/2960-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB