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Analysis

  • max time kernel
    140s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2024, 01:15

General

  • Target

    78e4382b23626a0c54c0e1075517686d.exe

  • Size

    3.9MB

  • MD5

    78e4382b23626a0c54c0e1075517686d

  • SHA1

    1f956b19a9d433c19807106e16896f4df58529ec

  • SHA256

    4b8aba0aab4ea03a50d19eaafdcd7d55fdb62b49ad6c9892b1efce3f2e52bfd1

  • SHA512

    9dc37c1e67f89a9c1d45a53f2f9e47722dd8a746074abc7760ad73f8e8d21e93c832d0765e09695d088dd9987db563ce18979892103d3203b8632ea30c824551

  • SSDEEP

    98304:rw7eZyRcZl1a8+7/A9zyULG+pM0n6x94uffA9zyULG+LUZzwPvnXA9zyULG+pM0N:dUc7DDzLqQHu4uQzLqyuzwXnwzLqQHuR

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\78e4382b23626a0c54c0e1075517686d.exe
    "C:\Users\Admin\AppData\Local\Temp\78e4382b23626a0c54c0e1075517686d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\AppData\Local\Temp\78e4382b23626a0c54c0e1075517686d.exe
      C:\Users\Admin\AppData\Local\Temp\78e4382b23626a0c54c0e1075517686d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\78e4382b23626a0c54c0e1075517686d.exe" /TN aMYATtOZda0c /F
        3⤵
        • Creates scheduled task(s)
        PID:4548
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN aMYATtOZda0c > C:\Users\Admin\AppData\Local\Temp\ATSbWZFI.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3852
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN aMYATtOZda0c
          4⤵
            PID:3008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 604
          3⤵
          • Program crash
          PID:2120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 656
          3⤵
          • Program crash
          PID:4076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 664
          3⤵
          • Program crash
          PID:2148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 712
          3⤵
          • Program crash
          PID:3316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 760
          3⤵
          • Program crash
          PID:1872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 820
          3⤵
          • Program crash
          PID:2080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1480
          3⤵
          • Program crash
          PID:2556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1924
          3⤵
          • Program crash
          PID:3192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2144
          3⤵
          • Program crash
          PID:2728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1940
          3⤵
          • Program crash
          PID:2588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2132
          3⤵
          • Program crash
          PID:2944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2124
          3⤵
          • Program crash
          PID:3380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2172
          3⤵
          • Program crash
          PID:2544
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2176
          3⤵
          • Program crash
          PID:864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2120
          3⤵
          • Program crash
          PID:3104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2176
          3⤵
          • Program crash
          PID:4576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1948
          3⤵
          • Program crash
          PID:2972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 656
          3⤵
          • Program crash
          PID:4640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1772 -ip 1772
      1⤵
        PID:4900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1772 -ip 1772
        1⤵
          PID:4992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1772 -ip 1772
          1⤵
            PID:412
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1772 -ip 1772
            1⤵
              PID:408
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1772 -ip 1772
              1⤵
                PID:1836
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1772 -ip 1772
                1⤵
                  PID:3080
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1772 -ip 1772
                  1⤵
                    PID:1068
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1772 -ip 1772
                    1⤵
                      PID:3832
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1772 -ip 1772
                      1⤵
                        PID:2528
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1772 -ip 1772
                        1⤵
                          PID:388
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1772 -ip 1772
                          1⤵
                            PID:4364
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1772 -ip 1772
                            1⤵
                              PID:452
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1772 -ip 1772
                              1⤵
                                PID:4436
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1772 -ip 1772
                                1⤵
                                  PID:1884
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1772 -ip 1772
                                  1⤵
                                    PID:2356
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1772 -ip 1772
                                    1⤵
                                      PID:5032
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1772 -ip 1772
                                      1⤵
                                        PID:2024
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1772 -ip 1772
                                        1⤵
                                          PID:4628

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\78e4382b23626a0c54c0e1075517686d.exe

                                          Filesize

                                          1024KB

                                          MD5

                                          a07f0065198410ff0b4946433d876d61

                                          SHA1

                                          9a6b275f57af492da2c8f6f028cc59a4d59774ac

                                          SHA256

                                          953d486341e320124c562dcc02289ca601be3a9f1d3165f19e5408a3636f95ca

                                          SHA512

                                          1305205ba15c643508b08d6e78c2b3613b8ed93db5b74b05a121f53e99a7b98a4f6284e744fe85025786268fb6807df96d5b65d327d53c0b0b90ffa58d7ac43d

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

                                          Filesize

                                          1KB

                                          MD5

                                          e5749fca7539087f04437e4ae35eaf7c

                                          SHA1

                                          4c176dfbd26f5d215840467724d2f6ba3f69be50

                                          SHA256

                                          6d9dc1cc9efb799dbc33773985e51154f68f9f9385545cfd3aef2f255c5cbd95

                                          SHA512

                                          6f4e2fd1cd9ec79e422e4771a37e9f33717e8c65bbf8ea3afabd63686baec6938bc68d464dbf9db9b9842d98e95d1980cd7ebc7679890a4c2e093823ac82b90b

                                        • memory/1356-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1356-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1356-3-0x0000000026030000-0x00000000260AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1356-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1772-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1772-16-0x0000000025000000-0x000000002507E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1772-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1772-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1772-37-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB