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Analysis

  • max time kernel
    3s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 09:27

General

  • Target

    4df392aaa1d685e96cdc2cfbd98b75eb.exe

  • Size

    3.9MB

  • MD5

    4df392aaa1d685e96cdc2cfbd98b75eb

  • SHA1

    4f5f91388dc11eac90e8d288b82ee51b007c41f6

  • SHA256

    19679cbc4b7cd73fd4501ed735c351aaf8335f2adbf8a1d25965e87b683cd5bd

  • SHA512

    b2f10bfc9597f4c4885496a1c8d9b6e0e826ee4c3461830601b45a7b595c9722edfd2436d101d10bb202bc2fd4e720422a903c8d631223b79d08c7c2dd6f16dd

  • SSDEEP

    98304:2QXkDgpaCcakcibiqhGccFd3ucakcibiqh0V314pLG9cakcibiqhGccFd3ucakcO:2RgpxdlirRM5udlirqVl4g9dlirRM5u+

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4df392aaa1d685e96cdc2cfbd98b75eb.exe
    "C:\Users\Admin\AppData\Local\Temp\4df392aaa1d685e96cdc2cfbd98b75eb.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\4df392aaa1d685e96cdc2cfbd98b75eb.exe
      C:\Users\Admin\AppData\Local\Temp\4df392aaa1d685e96cdc2cfbd98b75eb.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 724
        3⤵
        • Program crash
        PID:2908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 756
        3⤵
        • Program crash
        PID:3204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1464
        3⤵
        • Program crash
        PID:1040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1916
        3⤵
        • Program crash
        PID:2120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 2144
        3⤵
        • Program crash
        PID:4776
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 2148
        3⤵
        • Program crash
        PID:2668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1956
        3⤵
        • Program crash
        PID:4708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 2144
        3⤵
        • Program crash
        PID:2748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1972
        3⤵
        • Program crash
        PID:1140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1904
        3⤵
        • Program crash
        PID:4320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 2104
        3⤵
        • Program crash
        PID:1476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 2168
        3⤵
        • Program crash
        PID:3964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1984
        3⤵
        • Program crash
        PID:2668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 632
        3⤵
        • Program crash
        PID:540
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN nMQUF5AE494a
    1⤵
      PID:1300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5024 -ip 5024
      1⤵
        PID:4692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 604
        1⤵
        • Program crash
        PID:1952
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN nMQUF5AE494a > C:\Users\Admin\AppData\Local\Temp\QDI4MHx.xml
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1052
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4df392aaa1d685e96cdc2cfbd98b75eb.exe" /TN nMQUF5AE494a /F
        1⤵
        • Creates scheduled task(s)
        PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
        1⤵
          PID:5032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 620
          1⤵
          • Program crash
          PID:2284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 5024 -ip 5024
          1⤵
            PID:2072
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 736
            1⤵
            • Program crash
            PID:1992
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5024 -ip 5024
            1⤵
              PID:1408
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 740
              1⤵
              • Program crash
              PID:1228
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 5024 -ip 5024
              1⤵
                PID:2764
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 5024 -ip 5024
                1⤵
                  PID:2032
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 5024 -ip 5024
                  1⤵
                    PID:1364
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5024 -ip 5024
                    1⤵
                      PID:4916
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5024 -ip 5024
                      1⤵
                        PID:4808
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 5024 -ip 5024
                        1⤵
                          PID:2356
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5024 -ip 5024
                          1⤵
                            PID:4084
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5024 -ip 5024
                            1⤵
                              PID:4472
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 5024 -ip 5024
                              1⤵
                                PID:316
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 5024 -ip 5024
                                1⤵
                                  PID:4580
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 5024 -ip 5024
                                  1⤵
                                    PID:3480
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5024 -ip 5024
                                    1⤵
                                      PID:2060
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 5024 -ip 5024
                                      1⤵
                                        PID:3448
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 5024 -ip 5024
                                        1⤵
                                          PID:4548

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/816-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/816-7-0x0000000001750000-0x00000000017CE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/816-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/816-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5024-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5024-21-0x00000000018C0000-0x000000000193E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5024-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/5024-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5024-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB