Analysis

  • max time kernel
    141s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 16:58

General

  • Target

    fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe

  • Size

    501KB

  • MD5

    fac154ebb0f128904d54bce7952cb29b

  • SHA1

    5c5415412db9be96b81184f6b48a5f3a757791ec

  • SHA256

    3ac991afc44cd60442f2bb31caff15921bf1036d9c791fc48e365e54ea80eed2

  • SHA512

    377ee5a2cc4f3b72f409296814e554fafdc3882c3129f96bce87381aaef49761eb22134f0bfbe28014f70c29a7f4600f459285cd256757dd1f3bf9f0eb31d435

  • SSDEEP

    12288:xCK+F7ftgUoNAHw3bBKQd2b5jX+FD6f0TYR:c715oNAHAXYV9R

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\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4380
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:2520
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\BBd9F6z.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1836
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:3888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 604
          3⤵
          • Program crash
          PID:1680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 648
          3⤵
          • Program crash
          PID:2984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 708
          3⤵
          • Program crash
          PID:2112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 620
          3⤵
          • Program crash
          PID:2428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 736
          3⤵
          • Program crash
          PID:3632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 704
          3⤵
          • Program crash
          PID:5028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1220
          3⤵
          • Program crash
          PID:2728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1636
          3⤵
          • Program crash
          PID:2976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 2144
          3⤵
          • Program crash
          PID:4488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1932
          3⤵
          • Program crash
          PID:3004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1640
          3⤵
          • Program crash
          PID:3508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1932
          3⤵
          • Program crash
          PID:4712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1640
          3⤵
          • Program crash
          PID:4028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 2120
          3⤵
          • Program crash
          PID:2128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1932
          3⤵
          • Program crash
          PID:3892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 2108
          3⤵
          • Program crash
          PID:940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1968
          3⤵
          • Program crash
          PID:4464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 660
          3⤵
          • Program crash
          PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4380 -ip 4380
      1⤵
        PID:2096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4380 -ip 4380
        1⤵
          PID:2756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4380 -ip 4380
          1⤵
            PID:4664
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4380 -ip 4380
            1⤵
              PID:1708
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4380 -ip 4380
              1⤵
                PID:3152
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4380 -ip 4380
                1⤵
                  PID:5100
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4380 -ip 4380
                  1⤵
                    PID:3636
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4380 -ip 4380
                    1⤵
                      PID:4384
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4380 -ip 4380
                      1⤵
                        PID:2764
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4380 -ip 4380
                        1⤵
                          PID:2432
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4380 -ip 4380
                          1⤵
                            PID:1552
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4380 -ip 4380
                            1⤵
                              PID:3324
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4380 -ip 4380
                              1⤵
                                PID:1412
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4380 -ip 4380
                                1⤵
                                  PID:4984
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4380 -ip 4380
                                  1⤵
                                    PID:1560
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4380 -ip 4380
                                    1⤵
                                      PID:4916
                                    • 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=4140 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
                                      1⤵
                                        PID:2348
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4380 -ip 4380
                                        1⤵
                                          PID:4040
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4380 -ip 4380
                                          1⤵
                                            PID:2600

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\BBd9F6z.xml

                                            Filesize

                                            1KB

                                            MD5

                                            18a8a965bf3dc79629b30e3b65058193

                                            SHA1

                                            bdf3c13f421246c41f3f0f2542440e839bbe9636

                                            SHA256

                                            ce715fba5ce985a07a8d0f2d7f894df6d5691c3d68eac9534b1ade3519cb0714

                                            SHA512

                                            a83885b1a108ba57f47212f1c521d2f3dc788eabd277e65e70101ad5c8507b637389215d3657218978ae76f2e63b69bccaecb52fa4582045c917eaa2270c5778

                                          • C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe

                                            Filesize

                                            501KB

                                            MD5

                                            2ec97f0f892421925a591072f29167d6

                                            SHA1

                                            79bf2fc438a8bf9163ab6ba6f96349098608b149

                                            SHA256

                                            beeadeeb7a55404e1e11b9a4bb9fb40510553a0d0df3f2c5068d01effb82597f

                                            SHA512

                                            7db2b7333469a73b7b67515aed97f36206789dd5877b1f02fd63d36aa29c59261b420b638385b1e8b8cda5a07b2335f0d651b2da7d3549bbe96c3e33d0f36af3

                                          • memory/4336-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/4336-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/4336-4-0x00000000017A0000-0x000000000181E000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/4336-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/4380-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/4380-17-0x0000000001730000-0x00000000017AE000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/4380-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/4380-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                            Filesize

                                            364KB

                                          • memory/4380-37-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB