Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 13:03

General

  • Target

    abf1a38d27f22b598677df2c44cf6a0e.exe

  • Size

    2.0MB

  • MD5

    abf1a38d27f22b598677df2c44cf6a0e

  • SHA1

    a54655353f370bf080ed981f386990dad010ef65

  • SHA256

    817219801cc041521561a73f1bb5e90d17fbd259ad6c3bc677f492fe07d29d0e

  • SHA512

    0837f8842595b7cf5c3493d1df9e5186abab788f7af1771d1ee3ebf64e3fba5cee5f05220212afe32dd00a834f3f7b102621e4663921561a2500253db06c8ed7

  • SSDEEP

    49152:lhECA+JxmBqGQ7ai7D3xTgOxYwpKc43jcGIVeJCB1qZxRbCRZGQ7ai7D3xTgOxYj:lhECA+JxmMD2i7D3xkOxYwpKc43jReeB

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\abf1a38d27f22b598677df2c44cf6a0e.exe
    "C:\Users\Admin\AppData\Local\Temp\abf1a38d27f22b598677df2c44cf6a0e.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\abf1a38d27f22b598677df2c44cf6a0e.exe
      C:\Users\Admin\AppData\Local\Temp\abf1a38d27f22b598677df2c44cf6a0e.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\abf1a38d27f22b598677df2c44cf6a0e.exe" /TN KWm9daCVa92a /F
        3⤵
        • Creates scheduled task(s)
        PID:4188
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN KWm9daCVa92a > C:\Users\Admin\AppData\Local\Temp\M0jVOppas.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN KWm9daCVa92a
          4⤵
            PID:2068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 620
          3⤵
          • Program crash
          PID:5016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 636
          3⤵
          • Program crash
          PID:4740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 716
          3⤵
          • Program crash
          PID:3040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 740
          3⤵
          • Program crash
          PID:1164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 784
          3⤵
          • Program crash
          PID:428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 820
          3⤵
          • Program crash
          PID:2072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1456
          3⤵
          • Program crash
          PID:5048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1908
          3⤵
          • Program crash
          PID:4616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 2144
          3⤵
          • Program crash
          PID:2432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1924
          3⤵
          • Program crash
          PID:964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1988
          3⤵
          • Program crash
          PID:4112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1908
          3⤵
          • Program crash
          PID:1916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 2124
          3⤵
          • Program crash
          PID:3336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1964
          3⤵
          • Program crash
          PID:960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 2144
          3⤵
          • Program crash
          PID:4108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 2124
          3⤵
          • Program crash
          PID:640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 2224
          3⤵
          • Program crash
          PID:3976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 736
          3⤵
          • Program crash
          PID:4492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 2328
      1⤵
        PID:4820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2328 -ip 2328
        1⤵
          PID:1480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2328 -ip 2328
          1⤵
            PID:4688
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2328 -ip 2328
            1⤵
              PID:1288
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2328 -ip 2328
              1⤵
                PID:4032
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2328 -ip 2328
                1⤵
                  PID:4988
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2328 -ip 2328
                  1⤵
                    PID:4224
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2328 -ip 2328
                    1⤵
                      PID:404
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2328 -ip 2328
                      1⤵
                        PID:3164
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2328 -ip 2328
                        1⤵
                          PID:3516
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2328 -ip 2328
                          1⤵
                            PID:3284
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2328 -ip 2328
                            1⤵
                              PID:2156
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2328 -ip 2328
                              1⤵
                                PID:4704
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2328 -ip 2328
                                1⤵
                                  PID:1528
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2328 -ip 2328
                                  1⤵
                                    PID:2372
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 2328 -ip 2328
                                    1⤵
                                      PID:1308
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2328 -ip 2328
                                      1⤵
                                        PID:1228
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2328 -ip 2328
                                        1⤵
                                          PID:536

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\M0jVOppas.xml

                                                Filesize

                                                1KB

                                                MD5

                                                0cd964e507852909d30b24ba65c97e41

                                                SHA1

                                                3c23c7707133f1fe2c3abddf5867dd7b96072cd8

                                                SHA256

                                                15a5c89a725796deec9510ff57f648854a726dded3fab5e85b6e67f8010a1f71

                                                SHA512

                                                f4e6850b4a369c61d0faf5caf40fd4617915b8d4f675119db80c13038e8ff3e867ebc2fc62268f1aefddc43f2eb16db7c0db3c3c625974d9437e92933ce0c2ab

                                              • C:\Users\Admin\AppData\Local\Temp\abf1a38d27f22b598677df2c44cf6a0e.exe

                                                Filesize

                                                466KB

                                                MD5

                                                191daaff1d6b89ebbbcf646c4093d2f5

                                                SHA1

                                                c57604085376a3891568a665fc20e3556cdcf241

                                                SHA256

                                                9c9c98f85500fc252965e7b7d594b2a8ef28171ea34640123d88216aeb3a65a7

                                                SHA512

                                                30f6a9b2a07bb85bcfc3388a4c6d3966da14298273503d163dcc920cda94f7b380115e0b1dea0ccd73e47c8f5ab73c0201e7b50faa184c734265f1bec8809164

                                              • memory/1684-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/1684-2-0x0000000001730000-0x00000000017AE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/1684-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/1684-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2328-15-0x0000000023FD0000-0x000000002404E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/2328-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/2328-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2328-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/2328-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB