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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2024, 15:57

General

  • Target

    59204a85277f26da6f842f68f7e6880a.exe

  • Size

    821KB

  • MD5

    59204a85277f26da6f842f68f7e6880a

  • SHA1

    158a43af132f076b5887c16ed710d35d3cff2d4d

  • SHA256

    7df6f6b40a645e029d3b3b9cdabcd84768d943eabfbc18e620ab7773dc420d07

  • SHA512

    1795de6eecf73fffe132dc8aad8015014ad0444a3dddc01e4f79981d56631e0c9f9370a9ee7ef96cbb31a8a2b0e48546f134b863d341e2c668eaef17ea4c1b96

  • SSDEEP

    24576:epMoc0xRsno7nM+8MYMennhEnt3HiJ+cjukL2CDYO:IMoc0xKnojrzYrnnhEntRcakLz0O

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\59204a85277f26da6f842f68f7e6880a.exe
    "C:\Users\Admin\AppData\Local\Temp\59204a85277f26da6f842f68f7e6880a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Users\Admin\AppData\Local\Temp\59204a85277f26da6f842f68f7e6880a.exe
      C:\Users\Admin\AppData\Local\Temp\59204a85277f26da6f842f68f7e6880a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\59204a85277f26da6f842f68f7e6880a.exe" /TN Wxpz1JCma418 /F
        3⤵
        • Creates scheduled task(s)
        PID:2292
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Wxpz1JCma418 > C:\Users\Admin\AppData\Local\Temp\T4NR9x.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4168
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Wxpz1JCma418
          4⤵
            PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 616
          3⤵
          • Program crash
          PID:1244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 652
          3⤵
          • Program crash
          PID:1944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 660
          3⤵
          • Program crash
          PID:460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 736
          3⤵
          • Program crash
          PID:768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 656
          3⤵
          • Program crash
          PID:4972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 660
          3⤵
          • Program crash
          PID:1080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1492
          3⤵
          • Program crash
          PID:4784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1872
          3⤵
          • Program crash
          PID:968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2148
          3⤵
          • Program crash
          PID:964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1960
          3⤵
          • Program crash
          PID:1464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1968
          3⤵
          • Program crash
          PID:1232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2204
          3⤵
          • Program crash
          PID:4684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2168
          3⤵
          • Program crash
          PID:2364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2232
          3⤵
          • Program crash
          PID:3744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1936
          3⤵
          • Program crash
          PID:2388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2208
          3⤵
          • Program crash
          PID:5100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1944
          3⤵
          • Program crash
          PID:860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 648
          3⤵
          • Program crash
          PID:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2112 -ip 2112
      1⤵
        PID:2660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2112 -ip 2112
        1⤵
          PID:2620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2112 -ip 2112
          1⤵
            PID:3088
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2112 -ip 2112
            1⤵
              PID:1824
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2112 -ip 2112
              1⤵
                PID:1468
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2112 -ip 2112
                1⤵
                  PID:3568
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2112 -ip 2112
                  1⤵
                    PID:4552
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2112 -ip 2112
                    1⤵
                      PID:1284
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2112 -ip 2112
                      1⤵
                        PID:1088
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2112 -ip 2112
                        1⤵
                          PID:2592
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2112 -ip 2112
                          1⤵
                            PID:1776
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2112 -ip 2112
                            1⤵
                              PID:3684
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2112 -ip 2112
                              1⤵
                                PID:1712
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2112 -ip 2112
                                1⤵
                                  PID:400
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2112 -ip 2112
                                  1⤵
                                    PID:1604
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2112 -ip 2112
                                    1⤵
                                      PID:3136
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2112 -ip 2112
                                      1⤵
                                        PID:3088
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2112 -ip 2112
                                        1⤵
                                          PID:4344

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\59204a85277f26da6f842f68f7e6880a.exe

                                          Filesize

                                          41KB

                                          MD5

                                          d19125228c2d34561fbbe5da53adecc1

                                          SHA1

                                          4413b21ede40bd46def0213899a1a9927c3a71ca

                                          SHA256

                                          2bd40a2c5b99923b4c9d0c27224533b9f947e9874b5d6718b02262378c362c5c

                                          SHA512

                                          6c3c56b58292edc986446a8d221f56ddabd092585a085d44b6b2b89528fbc9dc0170afd39a9d5bb9c300b2e17ec4881f72867e6a4f8170fd4b9a43386aeaf108

                                        • C:\Users\Admin\AppData\Local\Temp\T4NR9x.xml

                                          Filesize

                                          1KB

                                          MD5

                                          758b66413db57f10256edfe26750d128

                                          SHA1

                                          5ddf715ce5c4043e9799c4c3a84c87c92af46ccf

                                          SHA256

                                          3922575425d7175ff0870d092f13f0528e281db5caaeee8cc4ff1a482b1660a0

                                          SHA512

                                          dd164be7a3ba78605546b3f6a4bf3bcee3faabb55b97268a5b310574e7057288ef7b04ebf749cc97827f192bffdda04ed051e614edf3d1944ee85a40d43d5126

                                        • memory/2112-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2112-18-0x0000000001660000-0x00000000016DE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2112-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2112-24-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2112-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4964-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4964-2-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4964-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4964-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB