Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 10:53

General

  • Target

    167cea3a88f0668634a0dbb562dd1f63.exe

  • Size

    1003KB

  • MD5

    167cea3a88f0668634a0dbb562dd1f63

  • SHA1

    8e6ca14d95ccb79d7b091b96035d4bcbdc38f6e3

  • SHA256

    3c93251b7f049c814b53104e6968c85eb1ac3979826fdf00797b867a283ccd47

  • SHA512

    a54e7dcd7ceee02d89839c5d90cfe5f612cb32afdeeb5c08d9de1aaa016ed6cecb19bb0c8c6eb5ac0aabe2bf87f6db49927a93750d48a1144009312ef88fef18

  • SSDEEP

    24576:Xmc7cdlKb/Pea+8NiIRQJRWAcH5f+64JRWFULCD+:2c7c7Kb/Pea+oiIRQJRWAcN+9zWFULG+

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\167cea3a88f0668634a0dbb562dd1f63.exe
    "C:\Users\Admin\AppData\Local\Temp\167cea3a88f0668634a0dbb562dd1f63.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Users\Admin\AppData\Local\Temp\167cea3a88f0668634a0dbb562dd1f63.exe
      C:\Users\Admin\AppData\Local\Temp\167cea3a88f0668634a0dbb562dd1f63.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\167cea3a88f0668634a0dbb562dd1f63.exe" /TN 0Su7L8S745c1 /F
        3⤵
        • Creates scheduled task(s)
        PID:668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 604
        3⤵
        • Program crash
        PID:4268
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 0Su7L8S745c1 > C:\Users\Admin\AppData\Local\Temp\uACDoFR.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 608
        3⤵
        • Program crash
        PID:748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 736
        3⤵
        • Program crash
        PID:3456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 740
        3⤵
        • Program crash
        PID:3540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 792
        3⤵
        • Program crash
        PID:2004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 800
        3⤵
        • Program crash
        PID:4464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1464
        3⤵
        • Program crash
        PID:3504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1916
        3⤵
        • Program crash
        PID:4504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 2144
        3⤵
        • Program crash
        PID:4380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1952
        3⤵
        • Program crash
        PID:1828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 2008
        3⤵
        • Program crash
        PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1976
        3⤵
        • Program crash
        PID:668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1920
        3⤵
        • Program crash
        PID:4072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1868
        3⤵
        • Program crash
        PID:1996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1980
        3⤵
        • Program crash
        PID:1416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 1868
        3⤵
        • Program crash
        PID:4060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 2104
        3⤵
        • Program crash
        PID:556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 644
        3⤵
        • Program crash
        PID:1736
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 0Su7L8S745c1
    1⤵
      PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5116 -ip 5116
      1⤵
        PID:1996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5116 -ip 5116
        1⤵
          PID:1416
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5116 -ip 5116
          1⤵
            PID:2624
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5116 -ip 5116
            1⤵
              PID:4576
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5116 -ip 5116
              1⤵
                PID:3712
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5116 -ip 5116
                1⤵
                  PID:2996
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5116 -ip 5116
                  1⤵
                    PID:3676
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5116 -ip 5116
                    1⤵
                      PID:1240
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 5116 -ip 5116
                      1⤵
                        PID:4244
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 5116 -ip 5116
                        1⤵
                          PID:4728
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5116 -ip 5116
                          1⤵
                            PID:3948
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5116 -ip 5116
                            1⤵
                              PID:4900
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5116 -ip 5116
                              1⤵
                                PID:3736
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5116 -ip 5116
                                1⤵
                                  PID:4304
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5116 -ip 5116
                                  1⤵
                                    PID:1040
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 5116 -ip 5116
                                    1⤵
                                      PID:748
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5116 -ip 5116
                                      1⤵
                                        PID:3736
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 5116 -ip 5116
                                        1⤵
                                          PID:2280

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\167cea3a88f0668634a0dbb562dd1f63.exe

                                                Filesize

                                                1003KB

                                                MD5

                                                99188b73d0df10b6d96921828a0714d4

                                                SHA1

                                                c6912275afbeda989b5d7ba0ea6a2e7660e79cc3

                                                SHA256

                                                c718d7d64b4458e1e09e90631ba0644eb5c6028e2fc2e4a3fd0c6a8ce29c0628

                                                SHA512

                                                65cf9f1fcc80a0cd52282871dda33ee2e2b147a05bb13000d4dd868c2fb47922b6b599b86fc24335d62b23ddff7ca2379b33b35ec62288e469184dd6a5a0f438

                                              • memory/5008-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/5008-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/5008-3-0x0000000001730000-0x00000000017AE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/5008-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/5116-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/5116-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/5116-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/5116-17-0x0000000023FC0000-0x000000002403E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/5116-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB