Analysis

  • max time kernel
    145s
  • max time network
    150s
  • 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, 15:19

General

  • Target

    d7a5c95ba622121c03aff01b4a8361ee.exe

  • Size

    3.9MB

  • MD5

    d7a5c95ba622121c03aff01b4a8361ee

  • SHA1

    6d9e7cc51a0a670d338d95361edd6548229f15a5

  • SHA256

    b01ff48f46de12777c7e3bdba68591f781d3fa3ba927f8f437a631bbb40b8d37

  • SHA512

    5ccc7e0fa7226e5c68eefdf855a860070a7065c06877de620ea9506a15610be9d7b8a06f36f9a7d33dfb30bed3bb92cf27a23dd30441f6cdd729895f28ae7e0b

  • SSDEEP

    98304:izkm+SNYvcakcibiqhw5vB5HycakcibiqhRGx+P3JkVS1lOCfXqjcakcibiqhw5H:+rN4dlirSdydliry+PqbCPqjdlirSdy+

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\d7a5c95ba622121c03aff01b4a8361ee.exe
    "C:\Users\Admin\AppData\Local\Temp\d7a5c95ba622121c03aff01b4a8361ee.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\d7a5c95ba622121c03aff01b4a8361ee.exe
      C:\Users\Admin\AppData\Local\Temp\d7a5c95ba622121c03aff01b4a8361ee.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN nMQUF5AE494a > C:\Users\Admin\AppData\Local\Temp\o8NuOnLfg.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN nMQUF5AE494a
          4⤵
            PID:3176
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\d7a5c95ba622121c03aff01b4a8361ee.exe" /TN nMQUF5AE494a /F
          3⤵
          • Creates scheduled task(s)
          PID:4116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 616
          3⤵
          • Program crash
          PID:1396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 640
          3⤵
          • Program crash
          PID:4324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 648
          3⤵
          • Program crash
          PID:2316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 644
          3⤵
          • Program crash
          PID:1548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 720
          3⤵
          • Program crash
          PID:4120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 720
          3⤵
          • Program crash
          PID:1884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1384
          3⤵
          • Program crash
          PID:2284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1280
          3⤵
          • Program crash
          PID:2268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 2144
          3⤵
          • Program crash
          PID:2052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1956
          3⤵
          • Program crash
          PID:4012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1284
          3⤵
          • Program crash
          PID:3856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1624
          3⤵
          • Program crash
          PID:4356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1976
          3⤵
          • Program crash
          PID:4116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 2172
          3⤵
          • Program crash
          PID:4360
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1960
          3⤵
          • Program crash
          PID:1224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1628
          3⤵
          • Program crash
          PID:3724
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 636
          3⤵
          • Program crash
          PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4928 -ip 4928
      1⤵
        PID:4924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4928 -ip 4928
        1⤵
          PID:3220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4928 -ip 4928
          1⤵
            PID:3732
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4928 -ip 4928
            1⤵
              PID:1140
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4928 -ip 4928
              1⤵
                PID:2208
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4928 -ip 4928
                1⤵
                  PID:1604
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4928 -ip 4928
                  1⤵
                    PID:3836
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4928 -ip 4928
                    1⤵
                      PID:4784
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4928 -ip 4928
                      1⤵
                        PID:1996
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4928 -ip 4928
                        1⤵
                          PID:2752
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4928 -ip 4928
                          1⤵
                            PID:3216
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4928 -ip 4928
                            1⤵
                              PID:4548
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4928 -ip 4928
                              1⤵
                                PID:3996
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4928 -ip 4928
                                1⤵
                                  PID:2896
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4928 -ip 4928
                                  1⤵
                                    PID:3176
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4928 -ip 4928
                                    1⤵
                                      PID:3464
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4928 -ip 4928
                                      1⤵
                                        PID:4316

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\d7a5c95ba622121c03aff01b4a8361ee.exe

                                              Filesize

                                              3.6MB

                                              MD5

                                              2829fb94aced1540f7316b4509dffd18

                                              SHA1

                                              87c1dff561b92c71fba06182bf436c77fec81df3

                                              SHA256

                                              3885e85b526db235f10a32a6a054475024ea0d3c2323651fa7b6e47518769c91

                                              SHA512

                                              136f719506eb0a51693ca985c8e941189f4fbbaf3c93e02d33f5eb5cf70e457864bd18e58dd137301beb539f8376a47a741479b24b3b63ccd7cbf95595742b0c

                                            • C:\Users\Admin\AppData\Local\Temp\o8NuOnLfg.xml

                                              Filesize

                                              1KB

                                              MD5

                                              d8bbd9425ed461193c088c1e9b22f77b

                                              SHA1

                                              d78892d868ba7e057f5dbbb022d60ebc409e0067

                                              SHA256

                                              09dbe8c3858825484bc7140155d1ac659e7b5d491fdb9e112cef492d6c3e6840

                                              SHA512

                                              429482057d87ff525873ec9baa2a86b2b317629c9b936819b1be28f61d50860bf7dd4672ba115f80002ecee1b9f9d993b9db3d59dd896adacb9edf1ca456c479

                                            • memory/4460-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/4460-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4460-3-0x0000000025010000-0x000000002508E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/4460-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4928-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/4928-16-0x00000000250A0000-0x000000002511E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/4928-25-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4928-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/4928-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB