Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2024, 19:08

General

  • Target

    5744bafcc0d51f626027874d4f982664.exe

  • Size

    3.2MB

  • MD5

    5744bafcc0d51f626027874d4f982664

  • SHA1

    b0465500c6784eee5a1334da628a83653be5ea67

  • SHA256

    351f7a26dbebad308b85b0d33298afa63e9f1ffbdcd3a7fbab60100881dc9139

  • SHA512

    5e9b5b15a58fb7acaa4fcbb5f4f827abe0d6c37c487fcdae9cfa4f14cd422b1f5595c4c3d55d1cb5ce5250ec3f8da72f408e11cf4ceb67af22b1a3bc5b2d933a

  • SSDEEP

    98304:qvI8wdjicakcmzU581lcakcwUrHLofycakcmzU581lcakcO:6I8wMdlmg587dlwqkfydlmg587dlO

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 20 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\5744bafcc0d51f626027874d4f982664.exe
    "C:\Users\Admin\AppData\Local\Temp\5744bafcc0d51f626027874d4f982664.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Users\Admin\AppData\Local\Temp\5744bafcc0d51f626027874d4f982664.exe
      C:\Users\Admin\AppData\Local\Temp\5744bafcc0d51f626027874d4f982664.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3680
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\5744bafcc0d51f626027874d4f982664.exe" /TN aMYATtOZda0c /F
        3⤵
        • Creates scheduled task(s)
        PID:4144
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN aMYATtOZda0c > C:\Users\Admin\AppData\Local\Temp\QkN20.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1164
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN aMYATtOZda0c
          4⤵
            PID:3616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 612
          3⤵
          • Program crash
          PID:4888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 652
          3⤵
          • Program crash
          PID:4168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 660
          3⤵
          • Program crash
          PID:3064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 620
          3⤵
          • Program crash
          PID:784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 740
          3⤵
          • Program crash
          PID:2636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 620
          3⤵
          • Program crash
          PID:4048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1468
          3⤵
          • Program crash
          PID:1540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1868
          3⤵
          • Program crash
          PID:656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 2148
          3⤵
          • Program crash
          PID:3104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1880
          3⤵
          • Program crash
          PID:3484
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 2108
          3⤵
          • Program crash
          PID:544
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1964
          3⤵
          • Program crash
          PID:1304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1868
          3⤵
          • Program crash
          PID:824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 2160
          3⤵
          • Program crash
          PID:4192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 2148
          3⤵
          • Program crash
          PID:4072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1948
          3⤵
          • Program crash
          PID:4168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 1988
          3⤵
          • Program crash
          PID:4804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 2216
          3⤵
          • Program crash
          PID:4452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 624
          3⤵
          • Program crash
          PID:1456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 652
          3⤵
          • Program crash
          PID:324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3680 -ip 3680
      1⤵
        PID:5028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3680 -ip 3680
        1⤵
          PID:4764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3680 -ip 3680
          1⤵
            PID:1604
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3680 -ip 3680
            1⤵
              PID:1404
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3680 -ip 3680
              1⤵
                PID:3044
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3680 -ip 3680
                1⤵
                  PID:4392
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3680 -ip 3680
                  1⤵
                    PID:2088
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3680 -ip 3680
                    1⤵
                      PID:1744
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3680 -ip 3680
                      1⤵
                        PID:2284
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3680 -ip 3680
                        1⤵
                          PID:4940
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3680 -ip 3680
                          1⤵
                            PID:2292
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3680 -ip 3680
                            1⤵
                              PID:2796
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3680 -ip 3680
                              1⤵
                                PID:684
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3680 -ip 3680
                                1⤵
                                  PID:4628
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3680 -ip 3680
                                  1⤵
                                    PID:1876
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3680 -ip 3680
                                    1⤵
                                      PID:2000
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3680 -ip 3680
                                      1⤵
                                        PID:820
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3680 -ip 3680
                                        1⤵
                                          PID:1960
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3680 -ip 3680
                                          1⤵
                                            PID:1080
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3680 -ip 3680
                                            1⤵
                                              PID:1764

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\Users\Admin\AppData\Local\Temp\5744bafcc0d51f626027874d4f982664.exe

                                                    Filesize

                                                    3.2MB

                                                    MD5

                                                    2f63b8ff63a3eaffcfd0b880308ff4c1

                                                    SHA1

                                                    f080614862bee98c5a3c685d2555c0b984c96a3e

                                                    SHA256

                                                    757fb651cee12cd9923bb3853f4806ceba04649f064bb6cd23db38812f697928

                                                    SHA512

                                                    0c45dba64a4c021b11c366049ffcc24dee4b19ddfa2033ea5c783b911716a9e94eeaeab3bcb80afd58fd434ee24cf8a7b9d7f67a1698cb1b0d477c7b7e61ffbe

                                                  • C:\Users\Admin\AppData\Local\Temp\QkN20.xml

                                                    Filesize

                                                    1KB

                                                    MD5

                                                    40e0ec85f720aae4968f45b65f17311c

                                                    SHA1

                                                    406aee49cce7825793a9987e320e9f425e1175ed

                                                    SHA256

                                                    61b707740458c75effa29680a22acbb3544ca39d17ec8e7f0d735e64fb16a17e

                                                    SHA512

                                                    0a1e0cc6f70fc57b50bb096c321022f2fe37c146fb86a1f9946b3cd2ede0ce937f60fe3f35a6aacfdd881434a9e3533ae5e25724c8f9a80ad7ebd3433b96cec1

                                                  • memory/3680-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                    Filesize

                                                    2.4MB

                                                  • memory/3680-16-0x0000000001660000-0x00000000016DE000-memory.dmp

                                                    Filesize

                                                    504KB

                                                  • memory/3680-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                    Filesize

                                                    428KB

                                                  • memory/3680-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                    Filesize

                                                    364KB

                                                  • memory/3680-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                                    Filesize

                                                    2.4MB

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

                                                    Filesize

                                                    2.4MB

                                                  • memory/4332-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                    Filesize

                                                    428KB

                                                  • memory/4332-4-0x0000000001760000-0x00000000017DE000-memory.dmp

                                                    Filesize

                                                    504KB

                                                  • memory/4332-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                    Filesize

                                                    428KB