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Analysis

  • max time kernel
    7s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 17:58

General

  • Target

    70330eab735f4331f9644dd24a264e4e.exe

  • Size

    821KB

  • MD5

    70330eab735f4331f9644dd24a264e4e

  • SHA1

    81f3dd4de70fccb4c5075ad5a482e443f19dac9f

  • SHA256

    3ff2aa6bce37af4268506ccec8e6e226fdae66f1b3a9ed1c51cb9a30038b3cec

  • SHA512

    bd59ad2daddf7cbde7a2e95f400d12e0feafd84d8920a2f15440c669045db178dc30b42abbfe00b9c2bf3f1b0b8bf4cc525204aa1978c5f52db81197427aff66

  • SSDEEP

    12288:iUzMiJ4IuYHK5w34Pi2Am8VPCYfhJ9a/kkFAf9Mqbl1mbFWdflO9dJ5IECpxOok7:F4IuJ5Tq2wCY8Tq9CbKcjukL2CDYO

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\70330eab735f4331f9644dd24a264e4e.exe
    "C:\Users\Admin\AppData\Local\Temp\70330eab735f4331f9644dd24a264e4e.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Users\Admin\AppData\Local\Temp\70330eab735f4331f9644dd24a264e4e.exe
      C:\Users\Admin\AppData\Local\Temp\70330eab735f4331f9644dd24a264e4e.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\70330eab735f4331f9644dd24a264e4e.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:2464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 608
        3⤵
        • Program crash
        PID:556
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\7pLEt4.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 636
        3⤵
        • Program crash
        PID:4412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 724
        3⤵
        • Program crash
        PID:2628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 732
        3⤵
        • Program crash
        PID:772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 640
        3⤵
        • Program crash
        PID:1672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 748
        3⤵
        • Program crash
        PID:4536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1556
        3⤵
        • Program crash
        PID:3224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1912
        3⤵
        • Program crash
        PID:1544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 2144
        3⤵
        • Program crash
        PID:3268
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1928
        3⤵
        • Program crash
        PID:1932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 2180
        3⤵
        • Program crash
        PID:4816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1912
        3⤵
        • Program crash
        PID:208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1916
        3⤵
        • Program crash
        PID:2164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1972
        3⤵
        • Program crash
        PID:244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 2212
        3⤵
        • Program crash
        PID:3340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1952
        3⤵
        • Program crash
        PID:2120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 2104
        3⤵
        • Program crash
        PID:400
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 632
        3⤵
        • Program crash
        PID:1168
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 1WOV8tOcae1c
    1⤵
      PID:3308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3552 -ip 3552
      1⤵
        PID:4556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3552 -ip 3552
        1⤵
          PID:4292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3552 -ip 3552
          1⤵
            PID:1396
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3552 -ip 3552
            1⤵
              PID:4120
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3552 -ip 3552
              1⤵
                PID:1736
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3552 -ip 3552
                1⤵
                  PID:4088
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3552 -ip 3552
                  1⤵
                    PID:2612
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3552 -ip 3552
                    1⤵
                      PID:2040
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3552 -ip 3552
                      1⤵
                        PID:4692
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3552 -ip 3552
                        1⤵
                          PID:2304
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3552 -ip 3552
                          1⤵
                            PID:2016
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3552 -ip 3552
                            1⤵
                              PID:4420
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3552 -ip 3552
                              1⤵
                                PID:2708
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3552 -ip 3552
                                1⤵
                                  PID:1652
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3552 -ip 3552
                                  1⤵
                                    PID:1460
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3552 -ip 3552
                                    1⤵
                                      PID:1428
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3552 -ip 3552
                                      1⤵
                                        PID:2660
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3552 -ip 3552
                                        1⤵
                                          PID:3404

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\70330eab735f4331f9644dd24a264e4e.exe

                                          Filesize

                                          167KB

                                          MD5

                                          9434b4ea12f6ce9afe204f4a45bcf59d

                                          SHA1

                                          a8af7b01eccae06e0b4887432de09f9594640a7e

                                          SHA256

                                          4dc673bf24884e56f87723c91f434289ce6d7f0899207d19498a05150568e65b

                                          SHA512

                                          d2f8b68aa17f6eb1360c9a1247309f02063373c075fde9f4919de9f2e0ffb8f1c297cc058e923dc623db05bf6898aed876bdd7fab97f117bc2c8ee38bfefbc0a

                                        • C:\Users\Admin\AppData\Local\Temp\7pLEt4.xml

                                          Filesize

                                          1KB

                                          MD5

                                          4ec728d451d5c4c6367c77d38d286b02

                                          SHA1

                                          839a2acecbf6288188cb2f4c485634a1c6ed7318

                                          SHA256

                                          2a5dfc7d16df478bb5d3af830e9ca0a454bd6d6ecd23794273b57128da270a1b

                                          SHA512

                                          1547c7f438b22dbbd275bb01b7346ebfafa607e1130ea008f536942087212222a2426043dfb1f914e7878ad291059d56e50233e73514f12f9718f108cc423a08

                                        • memory/3552-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3552-16-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3552-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3552-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3552-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4620-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4620-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4620-3-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4620-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB