Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 08:25

General

  • Target

    caf018af298d0f098d430b540bc931b4.exe

  • Size

    15.7MB

  • MD5

    caf018af298d0f098d430b540bc931b4

  • SHA1

    2425a3901fbcdb7a6bc4a83822992b056bffd37e

  • SHA256

    dda10321a851bfeb6a3fd21ef337face6ef277186f25c6cd74d8aa5dc195adc9

  • SHA512

    e9f7f1b1b3f26757c20f1f89edf6d19754470243cc12f7b142d149c48798a24cc7215bf9b776aeb93c82759ff9e4ed95bb49539d15663f888e29f03ffca410db

  • SSDEEP

    196608:3hIK/h/dlir9qqNxkrdlir5Hvdlir9qqNxkrdlirZVPdlir9qqNxkrdlir5HvdlU:ValHAdVglHAL0lHAdVglHA

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\caf018af298d0f098d430b540bc931b4.exe
    "C:\Users\Admin\AppData\Local\Temp\caf018af298d0f098d430b540bc931b4.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\caf018af298d0f098d430b540bc931b4.exe
      C:\Users\Admin\AppData\Local\Temp\caf018af298d0f098d430b540bc931b4.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\caf018af298d0f098d430b540bc931b4.exe" /TN DQCzT8QTc52d /F
        3⤵
        • Creates scheduled task(s)
        PID:5100
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN DQCzT8QTc52d > C:\Users\Admin\AppData\Local\Temp\E0zYJKtxZ.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2060
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN DQCzT8QTc52d
          4⤵
            PID:780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 612
          3⤵
          • Program crash
          PID:3864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 636
          3⤵
          • Program crash
          PID:4288
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 644
          3⤵
          • Program crash
          PID:500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 712
          3⤵
          • Program crash
          PID:448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 712
          3⤵
          • Program crash
          PID:440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 760
          3⤵
          • Program crash
          PID:1692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1460
          3⤵
          • Program crash
          PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1912
          3⤵
          • Program crash
          PID:4780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 2144
          3⤵
          • Program crash
          PID:2212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1868
          3⤵
          • Program crash
          PID:1276
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1916
          3⤵
          • Program crash
          PID:1704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 2132
          3⤵
          • Program crash
          PID:1400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1980
          3⤵
          • Program crash
          PID:3632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1996
          3⤵
          • Program crash
          PID:656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 2152
          3⤵
          • Program crash
          PID:2168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1980
          3⤵
          • Program crash
          PID:1552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1976
          3⤵
          • Program crash
          PID:3480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 648
          3⤵
          • Program crash
          PID:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4332 -ip 4332
      1⤵
        PID:4244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4332 -ip 4332
        1⤵
          PID:2208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4332 -ip 4332
          1⤵
            PID:5080
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4332 -ip 4332
            1⤵
              PID:4444
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4332 -ip 4332
              1⤵
                PID:1848
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4332 -ip 4332
                1⤵
                  PID:2412
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4332 -ip 4332
                  1⤵
                    PID:4092
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4332 -ip 4332
                    1⤵
                      PID:3404
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4332 -ip 4332
                      1⤵
                        PID:4540
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4332 -ip 4332
                        1⤵
                          PID:2736
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4332 -ip 4332
                          1⤵
                            PID:4892
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4332 -ip 4332
                            1⤵
                              PID:916
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4332 -ip 4332
                              1⤵
                                PID:4632
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4332 -ip 4332
                                1⤵
                                  PID:4812
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4332 -ip 4332
                                  1⤵
                                    PID:4064
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4332 -ip 4332
                                    1⤵
                                      PID:2208
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4332 -ip 4332
                                      1⤵
                                        PID:672
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4332 -ip 4332
                                        1⤵
                                          PID:4868

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\E0zYJKtxZ.xml

                                                Filesize

                                                1KB

                                                MD5

                                                96a4469d365774286431f250628607a4

                                                SHA1

                                                6b52f75787e204a702be6e6ae9c0e6b92f1a9d08

                                                SHA256

                                                1b20e1a5108c6af1c52addea7289c88ad6a3c2748505bb8ab3ce7f0021fc8d0e

                                                SHA512

                                                27da0ec9cacaef47a1edec744513e958e7c808bd8da07c0082ef2f0cfcd9ddff839114824a8ec460407a1f23723fbeea03e8d00ac81ba883b40d673b2c75163d

                                              • C:\Users\Admin\AppData\Local\Temp\caf018af298d0f098d430b540bc931b4.exe

                                                Filesize

                                                6.5MB

                                                MD5

                                                2387b639cd881069fcacecd7d83db4cd

                                                SHA1

                                                14a248133ee738e810789b3c4cb70f939e079d49

                                                SHA256

                                                c7d9d8df71e0d30bbe70fe05afd9682c62e025aea96aa6af0e17d9c9192ca981

                                                SHA512

                                                3cc41902957cb758cbc686319f266347fce00e0c2505b3e0ee541179361d58afdeb186833ae77c80216a4272ce3171b0376126b7e168ab89db9951cfc322a136

                                              • memory/2284-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/2284-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2284-3-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/2284-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4332-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/4332-15-0x00000000016F0000-0x000000000176E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/4332-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/4332-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4332-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB