Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 22:52

General

  • Target

    417b6d57f7413845ec9f9fab3157e489.exe

  • Size

    1003KB

  • MD5

    417b6d57f7413845ec9f9fab3157e489

  • SHA1

    f51e9d6b5a59da4505cb675cacec16005fb850a3

  • SHA256

    b9eb6fdf933ec30330568efde65dedeadc69cd41db7522e248e3e71fa4a04ee6

  • SHA512

    78bf2103417b24800067485d542b853a64bd06a844abaf4121679e388a388935d28c7bd18f51d022e07a805b87a0bbf04b7a76de67a41510fa17e7dace26b952

  • SSDEEP

    24576:kXbV8DXOAkK7XHTvFcl9GQoadai7D3uITjIFOxo53ApIj:kXbEXOZmXzvFcl9GQ7ai7D3xTgOxYwpK

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 17 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\417b6d57f7413845ec9f9fab3157e489.exe
    "C:\Users\Admin\AppData\Local\Temp\417b6d57f7413845ec9f9fab3157e489.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\417b6d57f7413845ec9f9fab3157e489.exe
      C:\Users\Admin\AppData\Local\Temp\417b6d57f7413845ec9f9fab3157e489.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\417b6d57f7413845ec9f9fab3157e489.exe" /TN Wxpz1JCma418 /F
        3⤵
        • Creates scheduled task(s)
        PID:4196
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Wxpz1JCma418 > C:\Users\Admin\AppData\Local\Temp\Yx0GRnh.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2200
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Wxpz1JCma418
          4⤵
            PID:4224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 604
          3⤵
          • Program crash
          PID:3276
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 620
          3⤵
          • Program crash
          PID:5052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 716
          3⤵
          • Program crash
          PID:4676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 724
          3⤵
          • Program crash
          PID:4504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 796
          3⤵
          • Program crash
          PID:1752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 804
          3⤵
          • Program crash
          PID:4516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1472
          3⤵
          • Program crash
          PID:2372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1920
          3⤵
          • Program crash
          PID:1184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 2144
          3⤵
          • Program crash
          PID:2224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1912
          3⤵
          • Program crash
          PID:4632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1988
          3⤵
          • Program crash
          PID:2352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1920
          3⤵
          • Program crash
          PID:4572
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1916
          3⤵
          • Program crash
          PID:4552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1992
          3⤵
          • Program crash
          PID:4224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1964
          3⤵
          • Program crash
          PID:1692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1916
          3⤵
          • Program crash
          PID:5088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 2176
          3⤵
          • Program crash
          PID:4248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2904 -ip 2904
      1⤵
        PID:3520
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2904 -ip 2904
        1⤵
          PID:3308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2904 -ip 2904
          1⤵
            PID:4836
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2904 -ip 2904
            1⤵
              PID:4764
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2904 -ip 2904
              1⤵
                PID:4416
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2904 -ip 2904
                1⤵
                  PID:4536
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2904 -ip 2904
                  1⤵
                    PID:3980
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2904 -ip 2904
                    1⤵
                      PID:888
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2904 -ip 2904
                      1⤵
                        PID:2612
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2904 -ip 2904
                        1⤵
                          PID:2516
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2904 -ip 2904
                          1⤵
                            PID:4996
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2904 -ip 2904
                            1⤵
                              PID:3576
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2904 -ip 2904
                              1⤵
                                PID:1432
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2904 -ip 2904
                                1⤵
                                  PID:2384
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2904 -ip 2904
                                  1⤵
                                    PID:3792
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2904 -ip 2904
                                    1⤵
                                      PID:2988
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2904 -ip 2904
                                      1⤵
                                        PID:4084

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\417b6d57f7413845ec9f9fab3157e489.exe

                                        Filesize

                                        640KB

                                        MD5

                                        5083b939ba3a820a8424149432685c41

                                        SHA1

                                        24296bd27118115c73efebb9417e9889e002bf09

                                        SHA256

                                        afa2af7f562483e686bdb89a357924938f32e6863159a2401853f38bfd14219b

                                        SHA512

                                        368dae7bf908351c9fc83b70b5def7fcea161301cbe8314e3ea9aa218d2bd93042c0bc131e607202643f8a434e30d90dafdcf7d03dc75a4a1a1dc42b90b443bb

                                      • C:\Users\Admin\AppData\Local\Temp\Yx0GRnh.xml

                                        Filesize

                                        1KB

                                        MD5

                                        eba7a355b19836ace0b164c6d13bb574

                                        SHA1

                                        56e4e6674cb8838a25814481627c75d38fdc557a

                                        SHA256

                                        b7e2c46157daee4cd99367065a954f47cde5f7eb1f0a8d78f513031356ada05f

                                        SHA512

                                        24c4672413a95b1c613a0f1153e0e6f7890293a3b632b07209315a7f68209b18a1484bddf174cb0065d5fce29a7b4201be131cd5fa47db02499d8603010c3e82

                                      • memory/1968-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/1968-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/1968-2-0x0000000001770000-0x00000000017EE000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/1968-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/2904-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/2904-16-0x00000000016E0000-0x000000000175E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/2904-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/2904-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                        Filesize

                                        364KB

                                      • memory/2904-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB