Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 09:26

General

  • Target

    9b500daf99c3ef2227a6f3c72b81cb18.exe

  • Size

    3.0MB

  • MD5

    9b500daf99c3ef2227a6f3c72b81cb18

  • SHA1

    942796d1265c7b1d979d1b02f941559ce1c785ff

  • SHA256

    8e77e48b97fe4ca044c9b423f161fa4ffa457e6a54c7d258348903505a4128d7

  • SHA512

    752b9d0e5562bb9b071d56d89cf25ff4a552ef60dd9c1b497e2a3eb5f37459adbbb52c8e5b8f25e4dfc6aebbb5db6cbe3090024f8202a686c8445f2670c7093a

  • SSDEEP

    49152:z3Y6mCMLf4TcakLBz6CSuw3opcakLlHQgfeL03+0nMlRcakLBz6CSuw3opcakLj:zI6fMLf4Tcak1zzSkpcakpdmL0O0M/cW

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 1 IoCs
  • 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\9b500daf99c3ef2227a6f3c72b81cb18.exe
    "C:\Users\Admin\AppData\Local\Temp\9b500daf99c3ef2227a6f3c72b81cb18.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Users\Admin\AppData\Local\Temp\9b500daf99c3ef2227a6f3c72b81cb18.exe
      C:\Users\Admin\AppData\Local\Temp\9b500daf99c3ef2227a6f3c72b81cb18.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4176
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\9b500daf99c3ef2227a6f3c72b81cb18.exe" /TN 91YuFL8m6860 /F
        3⤵
        • Creates scheduled task(s)
        PID:1968
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 91YuFL8m6860 > C:\Users\Admin\AppData\Local\Temp\GxbRSB9A.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2620
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 91YuFL8m6860
          4⤵
            PID:3620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 604
          3⤵
          • Program crash
          PID:2224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 620
          3⤵
          • Program crash
          PID:2704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 744
          3⤵
          • Program crash
          PID:1320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 784
          3⤵
          • Program crash
          PID:1012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 812
          3⤵
          • Program crash
          PID:2504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 724
          3⤵
          • Program crash
          PID:4268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1480
          3⤵
          • Program crash
          PID:3936
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1912
          3⤵
          • Program crash
          PID:4696
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 2144
          3⤵
          • Program crash
          PID:2740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1928
          3⤵
          • Program crash
          PID:2756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1916
          3⤵
          • Program crash
          PID:4312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 2100
          3⤵
          • Program crash
          PID:3332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1992
          3⤵
          • Program crash
          PID:3872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 2164
          3⤵
          • Program crash
          PID:3172
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 2204
          3⤵
          • Program crash
          PID:1968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 2240
          3⤵
          • Program crash
          PID:5048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1924
          3⤵
          • Program crash
          PID:2876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 972
          3⤵
          • Program crash
          PID:1496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4176 -ip 4176
      1⤵
        PID:2376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4176 -ip 4176
        1⤵
          PID:4508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4176 -ip 4176
          1⤵
            PID:1552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4176 -ip 4176
            1⤵
              PID:5016
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4176 -ip 4176
              1⤵
                PID:3384
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4176 -ip 4176
                1⤵
                  PID:3156
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4176 -ip 4176
                  1⤵
                    PID:1184
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4176 -ip 4176
                    1⤵
                      PID:3088
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4176 -ip 4176
                      1⤵
                        PID:2236
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4176 -ip 4176
                        1⤵
                          PID:2892
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 4176 -ip 4176
                          1⤵
                            PID:2724
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4176 -ip 4176
                            1⤵
                              PID:652
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4176 -ip 4176
                              1⤵
                                PID:5108
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4176 -ip 4176
                                1⤵
                                  PID:520
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4176 -ip 4176
                                  1⤵
                                    PID:4828
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4176 -ip 4176
                                    1⤵
                                      PID:884
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4176 -ip 4176
                                      1⤵
                                        PID:4092
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 640 -p 4176 -ip 4176
                                        1⤵
                                          PID:1752

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\9b500daf99c3ef2227a6f3c72b81cb18.exe

                                                Filesize

                                                3.0MB

                                                MD5

                                                e82b21500c35706b9d950878fdb776ab

                                                SHA1

                                                a3c5be130342b683cf3cc9560a6eec4f61c9efb0

                                                SHA256

                                                002dcf8d84d7d159b6e1c0ea1a202ed8a4f77b89f1038768c16d1d7df64df370

                                                SHA512

                                                8b6511bcd234092846487e602ffc0005f5f7db9a1f5a0d11f4375e7421843b833f4f64ae3e5d2ff1c1dac7dcb564b29998a8c20821b4aa4bf4019fc0e5a27867

                                              • C:\Users\Admin\AppData\Local\Temp\GxbRSB9A.xml

                                                Filesize

                                                1KB

                                                MD5

                                                4c7908ea76873d453bc3664d23c63cd9

                                                SHA1

                                                0fccd8fa07c8b0f459cd72616d28c596e4bec183

                                                SHA256

                                                185494c87b716e14a12123a45b87eb39f6123130620cf67c46d585dc6f5a1c71

                                                SHA512

                                                93c63425388291af784e090882159764c64965919060b22ea4de19f6a31c784d00310fe97ecdddcab7e0aec5121c804bf7c4f828fa7df48d0f861703fdeb3dff

                                              • memory/212-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/212-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/212-4-0x0000000025050000-0x00000000250CE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/212-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4176-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/4176-16-0x0000000025040000-0x00000000250BE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/4176-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4176-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/4176-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB