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Analysis

  • max time kernel
    159s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 05:25

General

  • Target

    0ff4ecf31e02b89a76db9e200f6650ac.exe

  • Size

    3.9MB

  • MD5

    0ff4ecf31e02b89a76db9e200f6650ac

  • SHA1

    cbcf102b99a673a6f8f905077727d8ad9626ccc0

  • SHA256

    ddf72d28394492663a26d52f6bd3bfede69c7fd985ab0bc24147bb44c351ca93

  • SHA512

    c9d5f053b481707fb64ee2241721670c11519595c789b0a46a0008dadf07c847422e2bce1aed426c96eae65886a4639c9cd36f78729959afaad0c06fe41187d5

  • SSDEEP

    98304:MvPCZvroYubA9zyULG+GFbRsSJ4J/izA9zyULG+0A7nAGxlkfzA9zyULG+GFbRsL:Jvr3BzLqjFRsSmJHzLqpbofzLqjFRsSr

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\0ff4ecf31e02b89a76db9e200f6650ac.exe
    "C:\Users\Admin\AppData\Local\Temp\0ff4ecf31e02b89a76db9e200f6650ac.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\0ff4ecf31e02b89a76db9e200f6650ac.exe
      C:\Users\Admin\AppData\Local\Temp\0ff4ecf31e02b89a76db9e200f6650ac.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3528
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\0ff4ecf31e02b89a76db9e200f6650ac.exe" /TN 91YuFL8m6860 /F
        3⤵
        • Creates scheduled task(s)
        PID:1888
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 91YuFL8m6860 > C:\Users\Admin\AppData\Local\Temp\Tpq6yp.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 604
        3⤵
        • Program crash
        PID:1684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 652
        3⤵
        • Program crash
        PID:1220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 660
        3⤵
        • Program crash
        PID:4880
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 732
        3⤵
        • Program crash
        PID:1732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 740
        3⤵
        • Program crash
        PID:1048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 756
        3⤵
        • Program crash
        PID:632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1496
        3⤵
        • Program crash
        PID:2732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1500
        3⤵
        • Program crash
        PID:4284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 2148
        3⤵
        • Program crash
        PID:4664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1928
        3⤵
        • Program crash
        PID:1688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 2152
        3⤵
        • Program crash
        PID:1924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1960
        3⤵
        • Program crash
        PID:4828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1996
        3⤵
        • Program crash
        PID:4444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 2000
        3⤵
        • Program crash
        PID:2976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 2148
        3⤵
        • Program crash
        PID:3448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 2128
        3⤵
        • Program crash
        PID:3872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 2156
        3⤵
        • Program crash
        PID:4888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 652
        3⤵
        • Program crash
        PID:1540
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 91YuFL8m6860
    1⤵
      PID:3180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3528 -ip 3528
      1⤵
        PID:3564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3528 -ip 3528
        1⤵
          PID:1104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3528 -ip 3528
          1⤵
            PID:3412
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3528 -ip 3528
            1⤵
              PID:628
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3528 -ip 3528
              1⤵
                PID:3396
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3528 -ip 3528
                1⤵
                  PID:2876
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3528 -ip 3528
                  1⤵
                    PID:3544
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3528 -ip 3528
                    1⤵
                      PID:3960
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3528 -ip 3528
                      1⤵
                        PID:1996
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3528 -ip 3528
                        1⤵
                          PID:4344
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3528 -ip 3528
                          1⤵
                            PID:4928
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3528 -ip 3528
                            1⤵
                              PID:5036
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3528 -ip 3528
                              1⤵
                                PID:1640
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3528 -ip 3528
                                1⤵
                                  PID:3968
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3528 -ip 3528
                                  1⤵
                                    PID:3160
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3528 -ip 3528
                                    1⤵
                                      PID:4468
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3528 -ip 3528
                                      1⤵
                                        PID:1628
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3528 -ip 3528
                                        1⤵
                                          PID:3576

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\0ff4ecf31e02b89a76db9e200f6650ac.exe

                                          Filesize

                                          1.0MB

                                          MD5

                                          acc24aeffbecf10203848849223edddc

                                          SHA1

                                          04b68e0c2b6f499ffeb8cf5683cc5acf585ba4af

                                          SHA256

                                          4a493c691bc0f4971138c6b914fcad517f9cd26340379432ed54d49b82123863

                                          SHA512

                                          c4b56733dc0ba15c6c129c32c555abb1e4d33a3928b46d57b3acead0285c75857384ea1473a3b5d0762b625316006294464e9f75da99a40520227a86fa16a2b2

                                        • C:\Users\Admin\AppData\Local\Temp\Tpq6yp.xml

                                          Filesize

                                          1KB

                                          MD5

                                          1eb39fc6ef41dbb8815a76b47793a6e6

                                          SHA1

                                          368e039639a3fb3e545b70df349309b251bef73a

                                          SHA256

                                          de4f0a2a44953d1158b408f27eff36b412b7bb268aba352ed086666084b82f69

                                          SHA512

                                          eabeeb7f8d7f03cb30ffff63112375a21b3e74e6843dc928f0c5080886dd6c078f80ff1a7c08da50da3a91f04ccd529876bb84d2a17d1b0114742d3f8fe4f04d

                                        • memory/3156-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3156-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3156-3-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3156-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3528-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3528-17-0x0000000025010000-0x000000002508E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3528-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3528-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3528-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB