Analysis

  • max time kernel
    147s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 08:50

General

  • Target

    f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe

  • Size

    501KB

  • MD5

    f7a8b434757ce93267f34414fe9a3225

  • SHA1

    58fd935508a2c9da09adb03e343a10614195ea12

  • SHA256

    31722e23253f713993e1ffc6352bc06040b28c468e12de45c180cca04f91e7cc

  • SHA512

    3d0f2377a7913fae9304801bdd440a30f98ff7238d07c4a9ae1ad5d5a76aeb6c19cb37ba940205f11779492183a0b78d54d1be6870997a044ae88d962b16e1df

  • SSDEEP

    12288:urmlbWmeusbyQdHnUpofN8xzDn/gzBD+l:FbQuYnd0powzzIV+

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\f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe" /TN bOafccFrd2cb /F
        3⤵
        • Creates scheduled task(s)
        PID:2128
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN bOafccFrd2cb > C:\Users\Admin\AppData\Local\Temp\aQoTBhDus.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2072
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN bOafccFrd2cb
          4⤵
            PID:4052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 604
          3⤵
          • Program crash
          PID:3884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 632
          3⤵
          • Program crash
          PID:4816
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 640
          3⤵
          • Program crash
          PID:1160
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 628
          3⤵
          • Program crash
          PID:976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 780
          3⤵
          • Program crash
          PID:8
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 820
          3⤵
          • Program crash
          PID:4272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1484
          3⤵
          • Program crash
          PID:928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1860
          3⤵
          • Program crash
          PID:2408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 2144
          3⤵
          • Program crash
          PID:3736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1936
          3⤵
          • Program crash
          PID:2524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1864
          3⤵
          • Program crash
          PID:1932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1856
          3⤵
          • Program crash
          PID:4016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 2124
          3⤵
          • Program crash
          PID:4792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1860
          3⤵
          • Program crash
          PID:212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 2140
          3⤵
          • Program crash
          PID:1972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 2148
          3⤵
          • Program crash
          PID:4392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1948
          3⤵
          • Program crash
          PID:3940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 1940
          3⤵
          • Program crash
          PID:2008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 752
          3⤵
          • Program crash
          PID:4388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1676 -ip 1676
      1⤵
        PID:1800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1676 -ip 1676
        1⤵
          PID:2056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1676 -ip 1676
          1⤵
            PID:4132
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1676 -ip 1676
            1⤵
              PID:5112
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1676 -ip 1676
              1⤵
                PID:5104
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1676 -ip 1676
                1⤵
                  PID:220
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1676 -ip 1676
                  1⤵
                    PID:1600
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1676 -ip 1676
                    1⤵
                      PID:1920
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1676 -ip 1676
                      1⤵
                        PID:1096
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 1676 -ip 1676
                        1⤵
                          PID:3216
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1676 -ip 1676
                          1⤵
                            PID:3784
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1676 -ip 1676
                            1⤵
                              PID:3116
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 1676 -ip 1676
                              1⤵
                                PID:4552
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 1676 -ip 1676
                                1⤵
                                  PID:3480
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1676 -ip 1676
                                  1⤵
                                    PID:2180
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 1676 -ip 1676
                                    1⤵
                                      PID:2668
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 660 -p 1676 -ip 1676
                                      1⤵
                                        PID:2492
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 1676 -ip 1676
                                        1⤵
                                          PID:2400
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 660 -p 1676 -ip 1676
                                          1⤵
                                            PID:2708

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

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

                                                  Filesize

                                                  1KB

                                                  MD5

                                                  7377f3fa47006ed8dc6e1b9521d3fc88

                                                  SHA1

                                                  3a6dfa96376a50466848e863a546e1e9439c2eaf

                                                  SHA256

                                                  24ee12fed322549b3378721f899a41954b42b3ceab2e946e45e5896884c90245

                                                  SHA512

                                                  1f5985ae8ece0466528b1eee2526691eaeeca998acdeb82ab3f3f8de542199e8584e8fa8abc875239786dbc9ad3ca07fee0c35f99cf37e67297f411be6db42a4

                                                • C:\Users\Admin\AppData\Local\Temp\f7a8b434757ce93267f34414fe9a3225_JaffaCakes118.exe

                                                  Filesize

                                                  501KB

                                                  MD5

                                                  90de72b1b2354cf1d3f0b350869a53d5

                                                  SHA1

                                                  f1473b7aab6db5f6386ae1aa7cd4570a48d37e63

                                                  SHA256

                                                  66cb980467777233c598d3f77d525927e92220e0cba65e6f336c2035159b2d2f

                                                  SHA512

                                                  e5a4f7435a3158e64f1ef883559b4a071d9d426a6ff437c942f15eea1970b5303d8bb62723148ec425b567265a0749700eadf2122de93d21e536cdec96ce3f34

                                                • memory/1676-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                  Filesize

                                                  2.4MB

                                                • memory/1676-16-0x0000000025000000-0x000000002507E000-memory.dmp

                                                  Filesize

                                                  504KB

                                                • memory/1676-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                  Filesize

                                                  428KB

                                                • memory/1676-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                  Filesize

                                                  364KB

                                                • memory/1676-34-0x0000000000400000-0x000000000065C000-memory.dmp

                                                  Filesize

                                                  2.4MB

                                                • memory/1744-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                  Filesize

                                                  2.4MB

                                                • memory/1744-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                  Filesize

                                                  428KB

                                                • memory/1744-2-0x0000000025010000-0x000000002508E000-memory.dmp

                                                  Filesize

                                                  504KB

                                                • memory/1744-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                  Filesize

                                                  428KB