Analysis

  • max time kernel
    143s
  • max time network
    161s
  • 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, 13:02

General

  • Target
    4e5ed707bd61e6261f529efdbb49df6c.exe
  • Size 1003KB
  • Sample240109-p96j4abaeq
  • SHA256 dbb563af320c2c9773eb22d497bda9308639eec561d52da829b75bce00d4eb83
  • MD5 SHA1 SHA512 SSDEEP
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.

  • 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\4e5ed707bd61e6261f529efdbb49df6c.exe
    "C:\Users\Admin\AppData\Local\Temp\4e5ed707bd61e6261f529efdbb49df6c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Users\Admin\AppData\Local\Temp\4e5ed707bd61e6261f529efdbb49df6c.exe
      C:\Users\Admin\AppData\Local\Temp\4e5ed707bd61e6261f529efdbb49df6c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4e5ed707bd61e6261f529efdbb49df6c.exe" /TN Wxpz1JCma418 /F
        3⤵
        • Creates scheduled task(s)
        PID:2872
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Wxpz1JCma418 > C:\Users\Admin\AppData\Local\Temp\9OEVNi.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 608
        3⤵
        • Program crash
        PID:3696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 640
        3⤵
        • Program crash
        PID:4008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 648
        3⤵
        • Program crash
        PID:976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 644
        3⤵
        • Program crash
        PID:380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 644
        3⤵
        • Program crash
        PID:4392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 792
        3⤵
        • Program crash
        PID:4592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 1468
        3⤵
        • Program crash
        PID:3736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 1912
        3⤵
        • Program crash
        PID:2360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2144
        3⤵
        • Program crash
        PID:2772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2176
        3⤵
        • Program crash
        PID:4952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2176
        3⤵
        • Program crash
        PID:4980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 1976
        3⤵
        • Program crash
        PID:3396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2200
        3⤵
        • Program crash
        PID:3888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 1988
        3⤵
        • Program crash
        PID:4988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2188
        3⤵
        • Program crash
        PID:1560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2172
        3⤵
        • Program crash
        PID:1192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2252
        3⤵
        • Program crash
        PID:1560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 636
        3⤵
        • Program crash
        PID:1348
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN Wxpz1JCma418
    1⤵
      PID:2228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2412 -ip 2412
      1⤵
        PID:2488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2412 -ip 2412
        1⤵
          PID:4664
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2412 -ip 2412
          1⤵
            PID:3300
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2412 -ip 2412
            1⤵
              PID:4984
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2412 -ip 2412
              1⤵
                PID:3660
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2412 -ip 2412
                1⤵
                  PID:2756
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2412 -ip 2412
                  1⤵
                    PID:5020
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2412 -ip 2412
                    1⤵
                      PID:1792
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2412 -ip 2412
                      1⤵
                        PID:3392
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2412 -ip 2412
                        1⤵
                          PID:3480
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2412 -ip 2412
                          1⤵
                            PID:636
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2412 -ip 2412
                            1⤵
                              PID:1448
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2412 -ip 2412
                              1⤵
                                PID:4052
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2412 -ip 2412
                                1⤵
                                  PID:1176
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2412 -ip 2412
                                  1⤵
                                    PID:1588
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2412 -ip 2412
                                    1⤵
                                      PID:2764
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2412 -ip 2412
                                      1⤵
                                        PID:3852
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2412 -ip 2412
                                        1⤵
                                          PID:1952

                                        Network

                                              MITRE ATT&CK Enterprise v15

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                                              Downloads

                                              4e5ed707bd61e6261f529efdbb49df6c.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\4e5ed707bd61e6261f529efdbb49df6c.exe
                                              • Size 411KB
                                              • SHA256 3df297de9f95bede9f587f078d8bbb201a6c396870566f78f24c959eb8d95b6c
                                              • MD5 SHA1 SHA512 SSDEEP

                                              9OEVNi.xml

                                              • Path C:\Users\Admin\AppData\Local\Temp\9OEVNi.xml
                                              • Size 1KB
                                              • SHA256 4dcfac0959664c24b5f8d2bb73c71465dcc7e7c0d38ffb425b701009e2269ff7
                                              • MD5 SHA1 SHA512

                                              memory/2412-15-0x0000000001660000-0x00000000016DE000-memory.dmp

                                              memory/2412-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                              memory/2412-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              memory/2412-17-0x0000000000400000-0x000000000065C000-memory.dmp

                                              memory/2412-37-0x0000000000400000-0x000000000065C000-memory.dmp

                                              memory/4108-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              memory/4108-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              memory/4108-3-0x0000000025020000-0x000000002509E000-memory.dmp

                                              memory/4108-13-0x0000000000400000-0x000000000046B000-memory.dmp