Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 08:33

General

  • Target

    fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe

  • Size

    1003KB

  • MD5

    fedffb3d436c68bf26919a0350d1f6a8

  • SHA1

    43b1dee13433bef54c3cdbe9e7409d5fc3f07388

  • SHA256

    07a152593f3b335ea890c4e2fdcdf7af8cd3e4e40edf299a4b0e39f6ab716691

  • SHA512

    5e8200337515e26e0302c3e70798634ff5762412efd0282403feec1e17940bb7676cfd0eaf3f2a1248f56d41ba7ee9e62501a992458a526fb3474044798f7cbd

  • SSDEEP

    12288:mwh3klQ0eYYnoCDbd6VrgwaLjpgoD1KvC90P486DNo1jMc17VQC03XT4t/AsRUv1:9jYsPCRaLdgiKK4chCQEFSP4LBHcesp

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 19 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\fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3932
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:3548
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\NNuPmXX3.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4936
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:2876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 616
          3⤵
          • Program crash
          PID:3564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 648
          3⤵
          • Program crash
          PID:4640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 680
          3⤵
          • Program crash
          PID:2776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 656
          3⤵
          • Program crash
          PID:3396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 740
          3⤵
          • Program crash
          PID:3576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 780
          3⤵
          • Program crash
          PID:4128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1472
          3⤵
          • Program crash
          PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1912
          3⤵
          • Program crash
          PID:4564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2144
          3⤵
          • Program crash
          PID:464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1924
          3⤵
          • Program crash
          PID:3732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1948
          3⤵
          • Program crash
          PID:216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1912
          3⤵
          • Program crash
          PID:4448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2140
          3⤵
          • Program crash
          PID:1284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2220
          3⤵
          • Program crash
          PID:3320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2236
          3⤵
          • Program crash
          PID:4560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1952
          3⤵
          • Program crash
          PID:4196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2104
          3⤵
          • Program crash
          PID:2308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2208
          3⤵
          • Program crash
          PID:3880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2232
          3⤵
          • Program crash
          PID:4804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3932 -ip 3932
      1⤵
        PID:4272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3932 -ip 3932
        1⤵
          PID:4604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3932 -ip 3932
          1⤵
            PID:3500
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3932 -ip 3932
            1⤵
              PID:1332
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3932 -ip 3932
              1⤵
                PID:3536
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3932 -ip 3932
                1⤵
                  PID:2752
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3932 -ip 3932
                  1⤵
                    PID:816
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3932 -ip 3932
                    1⤵
                      PID:4496
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3932 -ip 3932
                      1⤵
                        PID:3048
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3932 -ip 3932
                        1⤵
                          PID:1612
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3932 -ip 3932
                          1⤵
                            PID:2000
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3932 -ip 3932
                            1⤵
                              PID:2980
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3932 -ip 3932
                              1⤵
                                PID:4492
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3932 -ip 3932
                                1⤵
                                  PID:3372
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3932 -ip 3932
                                  1⤵
                                    PID:1548
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3932 -ip 3932
                                    1⤵
                                      PID:2916
                                    • 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=4352 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
                                      1⤵
                                        PID:2324
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3932 -ip 3932
                                        1⤵
                                          PID:5068
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3932 -ip 3932
                                          1⤵
                                            PID:5024
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3932 -ip 3932
                                            1⤵
                                              PID:1696

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\Users\Admin\AppData\Local\Temp\NNuPmXX3.xml

                                                    Filesize

                                                    1KB

                                                    MD5

                                                    43e072558b17fd7559c15288fcf08777

                                                    SHA1

                                                    edab6a231a9bdb2055bab232c919e3db37f68798

                                                    SHA256

                                                    ee934b3d4f7d39cc96c0cc003bb99b4e5b17fa40d2e75665020a4d5a4b492c86

                                                    SHA512

                                                    68ecd4e99b85e039af0db1b12d694d9a84e29860379ee3507510ed4403e2a1c121289220cf0ae15f11133c2f8babe91efcace28af05f23e21de26637f9d18f6c

                                                  • C:\Users\Admin\AppData\Local\Temp\fedffb3d436c68bf26919a0350d1f6a8_JaffaCakes118.exe

                                                    Filesize

                                                    1003KB

                                                    MD5

                                                    512a277586733400535de2e0be01a81c

                                                    SHA1

                                                    ff1537c67d71406a3a65990bc8ea2072ac0f288d

                                                    SHA256

                                                    d0185f9a0f82a6ff74ce83675f1afd8c6f9dba010f83938a630e024899dea3c0

                                                    SHA512

                                                    6b5bd3f0e95f291c8bfc34a54e50a8704565413304955d12fa323e5b91b7687058f29e8b3112fa28c823f8bc8fc261a5fbdde026195046ff983eb8907276f0a7

                                                  • memory/3404-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                    Filesize

                                                    2.4MB

                                                  • memory/3404-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                    Filesize

                                                    428KB

                                                  • memory/3404-3-0x0000000001730000-0x00000000017AE000-memory.dmp

                                                    Filesize

                                                    504KB

                                                  • memory/3404-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                    Filesize

                                                    428KB

                                                  • memory/3932-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                    Filesize

                                                    2.4MB

                                                  • memory/3932-16-0x0000000025000000-0x000000002507E000-memory.dmp

                                                    Filesize

                                                    504KB

                                                  • memory/3932-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                    Filesize

                                                    428KB

                                                  • memory/3932-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                    Filesize

                                                    364KB

                                                  • memory/3932-34-0x0000000000400000-0x000000000065C000-memory.dmp

                                                    Filesize

                                                    2.4MB