Analysis

  • max time kernel
    140s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 20:32

General

  • Target

    1be4d9da8728be93c04dc05abcd5a590.exe

  • Size

    1.5MB

  • MD5

    1be4d9da8728be93c04dc05abcd5a590

  • SHA1

    db74a1de7a8bf3a719983dc1298a92a6e8261108

  • SHA256

    bceb4a044eccd32a915854ccbf47593afe1b8fac1d5f81bc24252474902c0d86

  • SHA512

    3febf86397e0fd059ba5ff52454ef1854d9182adfc228b0d082e7f4b8f34c304b41df1db1b6e9a681e009c43a1fead732e155e3cf77cf70ca852c601398b4967

  • SSDEEP

    24576:owLjYUkcl2i7YhJTwQLyhWveB+4goGQoadai7D3uITjIFOxo53ApIj:owLj4clN7YLTwQLyhWveB+4goGQ7ai7s

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\1be4d9da8728be93c04dc05abcd5a590.exe
    "C:\Users\Admin\AppData\Local\Temp\1be4d9da8728be93c04dc05abcd5a590.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\1be4d9da8728be93c04dc05abcd5a590.exe
      C:\Users\Admin\AppData\Local\Temp\1be4d9da8728be93c04dc05abcd5a590.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 612
        3⤵
        • Program crash
        PID:1604
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN qPTTkyZ9c33c > C:\Users\Admin\AppData\Local\Temp\gC2DQMI.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 652
        3⤵
        • Program crash
        PID:1612
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\1be4d9da8728be93c04dc05abcd5a590.exe" /TN qPTTkyZ9c33c /F
        3⤵
        • Creates scheduled task(s)
        PID:2972
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 600
        3⤵
        • Program crash
        PID:3184
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 604
        3⤵
        • Program crash
        PID:2836
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 604
        3⤵
        • Program crash
        PID:3016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 780
        3⤵
        • Program crash
        PID:3700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1460
        3⤵
        • Program crash
        PID:4832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1908
        3⤵
        • Program crash
        PID:852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2144
        3⤵
        • Program crash
        PID:4836
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2096
        3⤵
        • Program crash
        PID:4068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1932
        3⤵
        • Program crash
        PID:1400
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2168
        3⤵
        • Program crash
        PID:2076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1916
        3⤵
        • Program crash
        PID:900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2124
        3⤵
        • Program crash
        PID:2520
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2148
        3⤵
        • Program crash
        PID:1104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1992
        3⤵
        • Program crash
        PID:2292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 2156
        3⤵
        • Program crash
        PID:4272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 648
        3⤵
        • Program crash
        PID:2624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2552 -ip 2552
    1⤵
      PID:4516
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN qPTTkyZ9c33c
      1⤵
        PID:1876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2552 -ip 2552
        1⤵
          PID:3512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2552 -ip 2552
          1⤵
            PID:4304
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2552 -ip 2552
            1⤵
              PID:4032
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2552 -ip 2552
              1⤵
                PID:3456
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2552 -ip 2552
                1⤵
                  PID:3680
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2552 -ip 2552
                  1⤵
                    PID:768
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2552 -ip 2552
                    1⤵
                      PID:4324
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2552 -ip 2552
                      1⤵
                        PID:4652
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2552 -ip 2552
                        1⤵
                          PID:2852
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2552 -ip 2552
                          1⤵
                            PID:4964
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2552 -ip 2552
                            1⤵
                              PID:4984
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2552 -ip 2552
                              1⤵
                                PID:3088
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2552 -ip 2552
                                1⤵
                                  PID:2140
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2552 -ip 2552
                                  1⤵
                                    PID:2592
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2552 -ip 2552
                                    1⤵
                                      PID:1528
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2552 -ip 2552
                                      1⤵
                                        PID:5116
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2552 -ip 2552
                                        1⤵
                                          PID:4292

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\1be4d9da8728be93c04dc05abcd5a590.exe

                                          Filesize

                                          1024KB

                                          MD5

                                          2c2613596a3c9f77dab3554583fcbb30

                                          SHA1

                                          b2f14a938ab6b865e1a5abf01f4551cfb37d90ba

                                          SHA256

                                          cf7a9495a00bc08969af77b79b65d03853aeb274b52a6706d6a7194f69a254ae

                                          SHA512

                                          f5e31099f2e8e72f81ca981c3a6f2436f1fc84378555158f44572c9adae66530917713aaed339158f67fc0b09010ab61f56faedc2beec72f391c879008436d56

                                        • C:\Users\Admin\AppData\Local\Temp\gC2DQMI.xml

                                          Filesize

                                          1KB

                                          MD5

                                          4c8021b0690c4fe80b8473c8efa871d1

                                          SHA1

                                          5feeaadd8bfa10138316f1727344570c15e5d44a

                                          SHA256

                                          869828952e9ab70dc3ffd11dcd0c66fc89148209d0b8eae8fc154108972ea1f3

                                          SHA512

                                          2d3c7a3492751c48c725562505d4bfeae7c76056e80249ef3cc31fafd7ef97c39964c40143226a1d7b8e4596ef451ece1ae641eb3668ade7ec124fe4ca09254a

                                        • memory/2552-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2552-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2552-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2552-17-0x00000000016F0000-0x000000000176E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2552-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3140-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3140-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3140-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3140-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB