Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 13:43

General

  • Target

    ab2403725503040b8233654423fe6ee0.exe

  • Size

    7.8MB

  • MD5

    ab2403725503040b8233654423fe6ee0

  • SHA1

    36691647e55dbc5b373b109009999e5bf601a723

  • SHA256

    1b2ec655952d27e8ebcd8fdbcc5fb2784bf7977b664e1ccf8b4025226be87630

  • SHA512

    62885d5ee65948cfeba7a6de4b7747e87c4b32aa3076b7bd1bb85d7ff061899915d506d77d480a8114b77c64182a99efe85f362caa2f7a8a939889ba577086b1

  • SSDEEP

    196608:RHifzLqYhhm5UzLq9MHzLqYhhm5UzLqlNXzLqYhhm5UzLq9MHzLqYhhm5UzLq:RCfzNPzBHzNPz+NXzNPzBHzNPz

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
  • 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\ab2403725503040b8233654423fe6ee0.exe
    "C:\Users\Admin\AppData\Local\Temp\ab2403725503040b8233654423fe6ee0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Users\Admin\AppData\Local\Temp\ab2403725503040b8233654423fe6ee0.exe
      C:\Users\Admin\AppData\Local\Temp\ab2403725503040b8233654423fe6ee0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ab2403725503040b8233654423fe6ee0.exe" /TN 91YuFL8m6860 /F
        3⤵
        • Creates scheduled task(s)
        PID:3052
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 91YuFL8m6860 > C:\Users\Admin\AppData\Local\Temp\jVXyQeXnU.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4716
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 91YuFL8m6860
          4⤵
            PID:4652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 604
          3⤵
          • Program crash
          PID:3224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 648
          3⤵
          • Program crash
          PID:4196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 716
          3⤵
          • Program crash
          PID:976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 660
          3⤵
          • Program crash
          PID:2024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 660
          3⤵
          • Program crash
          PID:3992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 752
          3⤵
          • Program crash
          PID:2392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 1456
          3⤵
          • Program crash
          PID:1540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 1460
          3⤵
          • Program crash
          PID:4984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 2144
          3⤵
          • Program crash
          PID:2904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 1924
          3⤵
          • Program crash
          PID:4432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 2132
          3⤵
          • Program crash
          PID:4800
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 1976
          3⤵
          • Program crash
          PID:4888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 1464
          3⤵
          • Program crash
          PID:4352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 1636
          3⤵
          • Program crash
          PID:2116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 2172
          3⤵
          • Program crash
          PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 2104
          3⤵
          • Program crash
          PID:4592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 2160
          3⤵
          • Program crash
          PID:4988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 756
          3⤵
          • Program crash
          PID:3520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4128 -ip 4128
      1⤵
        PID:1176
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4128 -ip 4128
        1⤵
          PID:1456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4128 -ip 4128
          1⤵
            PID:2504
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4128 -ip 4128
            1⤵
              PID:2972
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4128 -ip 4128
              1⤵
                PID:3320
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4128 -ip 4128
                1⤵
                  PID:1160
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4128 -ip 4128
                  1⤵
                    PID:924
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4128 -ip 4128
                    1⤵
                      PID:1064
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4128 -ip 4128
                      1⤵
                        PID:3852
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4128 -ip 4128
                        1⤵
                          PID:3132
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4128 -ip 4128
                          1⤵
                            PID:1908
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4128 -ip 4128
                            1⤵
                              PID:1388
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4128 -ip 4128
                              1⤵
                                PID:3440
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4128 -ip 4128
                                1⤵
                                  PID:220
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4128 -ip 4128
                                  1⤵
                                    PID:2248
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4128 -ip 4128
                                    1⤵
                                      PID:4364
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4128 -ip 4128
                                      1⤵
                                        PID:2928
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4128 -ip 4128
                                        1⤵
                                          PID:4692

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\ab2403725503040b8233654423fe6ee0.exe

                                          Filesize

                                          7.8MB

                                          MD5

                                          2ac8ae66e6beb9449fc57172a82f7976

                                          SHA1

                                          35068daf5dad2f045124c17c9e25bdda9204e984

                                          SHA256

                                          57a46e4989d4077c087ba32c0dc9767d8847d2d80752642df2573a36a3bc044f

                                          SHA512

                                          e5e07d0b7f365fdd85deeedf65bd5295a98e06b1ee67d1994722692e2743c3915d333ac345d7831248cebbefca4f0a7dc9ed4d0087464758232ff65aa79e002a

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

                                          Filesize

                                          1KB

                                          MD5

                                          783b08ac2e65d385bdaf8fe93c572dd9

                                          SHA1

                                          af9fbc4902829d83cd4d63c15da4907c4fcc5055

                                          SHA256

                                          5a7e5325c3214950b9b561bb9ad1d77adcf03fcb86ea8260a30f4da6071c7b32

                                          SHA512

                                          508a000a6635fbead25648d026466bbcf880d4439dbc85f151c1656121bd34c01df8603202f5c0b70f9b42d3c8a87a4fd187457fa8574f630aee0603943545ec

                                        • memory/4128-13-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4128-16-0x0000000024010000-0x000000002408E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4128-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4128-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4128-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5096-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5096-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5096-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5096-14-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB