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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2024, 06:12

General

  • Target

    5a7d0ce710df3c8e92e481e4a6629189.exe

  • Size

    2.0MB

  • MD5

    5a7d0ce710df3c8e92e481e4a6629189

  • SHA1

    091cdd743e11ab90e3af48c989aabf841a1c6743

  • SHA256

    4dd772bd66a77fc6d6f6e95f377b433c5314eda7ab4e042712722cced449d95c

  • SHA512

    4b3e60eedfce3984ddd6a234e1b967e15cb3752b9093706c28080949a318e34aed5bbb613c681a95903893c6b01d43629ebb028c00079c0ae47153ecead07917

  • SSDEEP

    49152:lh73dG/IgZ0GQ7ai7D3xTgOxYwpKUcm5TJi1Q63i6GQ7ai7D3xTgOxYwpK:ll3dzgZ0D2i7D3xkOxYwpKUcO1IQL6Da

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\5a7d0ce710df3c8e92e481e4a6629189.exe
    "C:\Users\Admin\AppData\Local\Temp\5a7d0ce710df3c8e92e481e4a6629189.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\5a7d0ce710df3c8e92e481e4a6629189.exe
      C:\Users\Admin\AppData\Local\Temp\5a7d0ce710df3c8e92e481e4a6629189.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\5a7d0ce710df3c8e92e481e4a6629189.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\dbuTDCUf.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 616
        3⤵
        • Program crash
        PID:3228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 632
        3⤵
        • Program crash
        PID:3600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 640
        3⤵
        • Program crash
        PID:1568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 740
        3⤵
        • Program crash
        PID:4372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 776
        3⤵
        • Program crash
        PID:4112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 772
        3⤵
        • Program crash
        PID:3020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1888
        3⤵
        • Program crash
        PID:3572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1492
        3⤵
        • Program crash
        PID:4208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 2144
        3⤵
        • Program crash
        PID:860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 2096
        3⤵
        • Program crash
        PID:3032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1920
        3⤵
        • Program crash
        PID:3748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 2152
        3⤵
        • Program crash
        PID:4384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1884
        3⤵
        • Program crash
        PID:2948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 2140
        3⤵
        • Program crash
        PID:232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 2100
        3⤵
        • Program crash
        PID:3764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1924
        3⤵
        • Program crash
        PID:4652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1936
        3⤵
        • Program crash
        PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 632
        3⤵
        • Program crash
        PID:3256
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 1WOV8tOcae1c
    1⤵
      PID:756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1248 -ip 1248
      1⤵
        PID:1616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1248 -ip 1248
        1⤵
          PID:4836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1248 -ip 1248
          1⤵
            PID:760
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1248 -ip 1248
            1⤵
              PID:3980
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1248 -ip 1248
              1⤵
                PID:3192
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1248 -ip 1248
                1⤵
                  PID:4572
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1248 -ip 1248
                  1⤵
                    PID:4840
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1248 -ip 1248
                    1⤵
                      PID:1752
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1248 -ip 1248
                      1⤵
                        PID:940
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1248 -ip 1248
                        1⤵
                          PID:3688
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1248 -ip 1248
                          1⤵
                            PID:4228
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1248 -ip 1248
                            1⤵
                              PID:4292
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1248 -ip 1248
                              1⤵
                                PID:3156
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1248 -ip 1248
                                1⤵
                                  PID:2072
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1248 -ip 1248
                                  1⤵
                                    PID:4904
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1248 -ip 1248
                                    1⤵
                                      PID:2408
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1248 -ip 1248
                                      1⤵
                                        PID:4624
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1248 -ip 1248
                                        1⤵
                                          PID:3804

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\5a7d0ce710df3c8e92e481e4a6629189.exe

                                          Filesize

                                          85KB

                                          MD5

                                          02c0a6713a4fe140bf6a7da7b46dde10

                                          SHA1

                                          1118a31b7a364cca49e1a2ea0c29e687f1b86a3e

                                          SHA256

                                          47ab02ada6c238cccae2ef705ce418d1ba399b3ceb725aa0e84a0fa59fae9649

                                          SHA512

                                          3bd7bb24e67c8c06d2f06f9cea027a778a62f6b508ac292116c3daeeedbcb8a0057efef286bc3b2b6473439df22f2b8b2dbb421ecd72d9d05d950463abd904db

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

                                          Filesize

                                          1KB

                                          MD5

                                          aad6159fc4003ed6530ccf66a15de984

                                          SHA1

                                          9098818a0e9602d9424de657346bfa6620abef4f

                                          SHA256

                                          9a1d62e318ef380007c8039d4590ae00b916e909974180d76bdf04e22f2c9304

                                          SHA512

                                          eb9558e1c9f0ecb5ea7dd4b71513b67bc7aa8025ea1b37910ab874dfc18cc1ccd61e10d24e573137de74402303976399231a8ca8e4d95734f4cddd8652eb0aac

                                        • memory/1248-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1248-17-0x0000000025050000-0x00000000250CE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1248-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1248-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1248-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5056-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5056-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5056-5-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5056-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB