Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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, 07:16

General

  • Target

    584fdfeb37d0d6666083ae26d7dfa882.exe

  • Size

    821KB

  • MD5

    584fdfeb37d0d6666083ae26d7dfa882

  • SHA1

    6ddd28391c9e7582d284177a97da5c2cf3cb1fce

  • SHA256

    9aec3b784595c4e90ca98fc963eaad12e5b7e00829b93814e177a15d7df008ca

  • SHA512

    34b73a983618a3129b47b94eae533da21203654abed7abe1dbe3e8cc76489dfba5803c8ce804765ac102fc29e1a87cd3305bb4b518133c4d5506713ff9999d7f

  • SSDEEP

    12288:gnAPTbmytjDUPd1BXQjsxcD3ouo910Ya/HMcMo+S0SMflO9dJ5IECpxOokLZsCt1:g0TbmaYA04K910Z/lLTtMcjukL2CDYO

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\584fdfeb37d0d6666083ae26d7dfa882.exe
    "C:\Users\Admin\AppData\Local\Temp\584fdfeb37d0d6666083ae26d7dfa882.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\584fdfeb37d0d6666083ae26d7dfa882.exe
      C:\Users\Admin\AppData\Local\Temp\584fdfeb37d0d6666083ae26d7dfa882.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3380
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\584fdfeb37d0d6666083ae26d7dfa882.exe" /TN xWvB9PLxff3d /F
        3⤵
        • Creates scheduled task(s)
        PID:1564
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN xWvB9PLxff3d > C:\Users\Admin\AppData\Local\Temp\bQIYgxw.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1560
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN xWvB9PLxff3d
          4⤵
            PID:3108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 608
          3⤵
          • Program crash
          PID:1540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 624
          3⤵
          • Program crash
          PID:900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 632
          3⤵
          • Program crash
          PID:628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 740
          3⤵
          • Program crash
          PID:4904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 628
          3⤵
          • Program crash
          PID:2904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 780
          3⤵
          • Program crash
          PID:3724
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1496
          3⤵
          • Program crash
          PID:1684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1916
          3⤵
          • Program crash
          PID:1932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 2144
          3⤵
          • Program crash
          PID:4984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1932
          3⤵
          • Program crash
          PID:1388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1992
          3⤵
          • Program crash
          PID:2956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 2152
          3⤵
          • Program crash
          PID:4436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1916
          3⤵
          • Program crash
          PID:1328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1996
          3⤵
          • Program crash
          PID:5016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 2224
          3⤵
          • Program crash
          PID:2332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 2192
          3⤵
          • Program crash
          PID:3404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 2164
          3⤵
          • Program crash
          PID:1268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 608
          3⤵
          • Program crash
          PID:3404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3380 -ip 3380
      1⤵
        PID:4064
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3380 -ip 3380
        1⤵
          PID:4436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3380 -ip 3380
          1⤵
            PID:848
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3380 -ip 3380
            1⤵
              PID:432
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3380 -ip 3380
              1⤵
                PID:3544
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3380 -ip 3380
                1⤵
                  PID:5016
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3380 -ip 3380
                  1⤵
                    PID:4956
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3380 -ip 3380
                    1⤵
                      PID:1988
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3380 -ip 3380
                      1⤵
                        PID:3384
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3380 -ip 3380
                        1⤵
                          PID:4276
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3380 -ip 3380
                          1⤵
                            PID:4792
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3380 -ip 3380
                            1⤵
                              PID:4416
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3380 -ip 3380
                              1⤵
                                PID:900
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3380 -ip 3380
                                1⤵
                                  PID:3864
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3380 -ip 3380
                                  1⤵
                                    PID:2908
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3380 -ip 3380
                                    1⤵
                                      PID:4180
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3380 -ip 3380
                                      1⤵
                                        PID:4932
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3380 -ip 3380
                                        1⤵
                                          PID:3456

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\584fdfeb37d0d6666083ae26d7dfa882.exe

                                          Filesize

                                          116KB

                                          MD5

                                          1682b7420395f568f11fdc065eb18d23

                                          SHA1

                                          63c7126c75dc213f4f47f385c89a31fd45ecbf43

                                          SHA256

                                          71cf200688e310a2403e4114680bcfad845f4ea0c3b41d8a6de1fbda9da6269f

                                          SHA512

                                          2716b5a8bfb3f5e598bd55c089724ad4677c4a80c29d351f9c3b18ff73e8b19727d563972e758d830e586ca93248566fda7e7f9d1f83e132e8a64e3fcfeb5458

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

                                          Filesize

                                          1KB

                                          MD5

                                          77c543c784ef19f4f9387347ba33fc8d

                                          SHA1

                                          e308a583323277e9bae55d84d2e559cc10c8207a

                                          SHA256

                                          1bece6a9c4375473b60fdeb0b2f8da9dd9273b5c6d183d15828f383534922a7d

                                          SHA512

                                          07a943eca918c98a36dddedb44337cb5e658ff49febcb498587dac5c6380cf4153513cfc866deebfa1f28a0eb69b01b84c1abf0bd09527c3b5cf71c35fc0dd39

                                        • memory/3088-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3088-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3088-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3088-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3380-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3380-17-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3380-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3380-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3380-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB