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Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 04:16

General

  • Target

    61d2efa9c1768ab71cc1cc51f0f3b729.exe

  • Size

    1.6MB

  • MD5

    61d2efa9c1768ab71cc1cc51f0f3b729

  • SHA1

    e01a4a89e0191ea4d0d6f63bb2b323eeec3cd59d

  • SHA256

    58295916d79066eb5040d0d92d2f2f99221b2d82410f3d41b25590da9f2bd559

  • SHA512

    11c4de8f64f5c3ab8bcf6752fbb238bbb69bf7ec0b88e6367f3d845aeb821209ba135a73f7ae5b43f5d13b4426e0a13cd6b67e4d6091761fefe57170b36da896

  • SSDEEP

    49152:eeAhCiUlen8zRYBcakLz0JuWDptmi4vF3RcakLz0O:euiUon8zqBcakcJu4ptmi4NBcakcO

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
  • 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\61d2efa9c1768ab71cc1cc51f0f3b729.exe
    "C:\Users\Admin\AppData\Local\Temp\61d2efa9c1768ab71cc1cc51f0f3b729.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Users\Admin\AppData\Local\Temp\61d2efa9c1768ab71cc1cc51f0f3b729.exe
      C:\Users\Admin\AppData\Local\Temp\61d2efa9c1768ab71cc1cc51f0f3b729.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN qPTTkyZ9c33c > C:\Users\Admin\AppData\Local\Temp\l8d7l.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN qPTTkyZ9c33c
          4⤵
            PID:4552
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\61d2efa9c1768ab71cc1cc51f0f3b729.exe" /TN qPTTkyZ9c33c /F
          3⤵
          • Creates scheduled task(s)
          PID:224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 604
          3⤵
          • Program crash
          PID:4056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 632
          3⤵
          • Program crash
          PID:2756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 716
          3⤵
          • Program crash
          PID:1420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 640
          3⤵
          • Program crash
          PID:3496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 736
          3⤵
          • Program crash
          PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 736
          3⤵
          • Program crash
          PID:3768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1456
          3⤵
          • Program crash
          PID:2124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1916
          3⤵
          • Program crash
          PID:3748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 2132
          3⤵
          • Program crash
          PID:2296
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1932
          3⤵
          • Program crash
          PID:3720
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1944
          3⤵
          • Program crash
          PID:3724
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1880
          3⤵
          • Program crash
          PID:4520
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1956
          3⤵
          • Program crash
          PID:4504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1992
          3⤵
          • Program crash
          PID:4848
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 2104
          3⤵
          • Program crash
          PID:3000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1944
          3⤵
          • Program crash
          PID:3232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1860
          3⤵
          • Program crash
          PID:1408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 712
          3⤵
          • Program crash
          PID:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4156 -ip 4156
      1⤵
        PID:1096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4156 -ip 4156
        1⤵
          PID:2100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4156 -ip 4156
          1⤵
            PID:3920
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4156 -ip 4156
            1⤵
              PID:4676
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4156 -ip 4156
              1⤵
                PID:408
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4156 -ip 4156
                1⤵
                  PID:1300
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4156 -ip 4156
                  1⤵
                    PID:508
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4156 -ip 4156
                    1⤵
                      PID:3800
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4156 -ip 4156
                      1⤵
                        PID:2148
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4156 -ip 4156
                        1⤵
                          PID:3156
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4156 -ip 4156
                          1⤵
                            PID:4496
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4156 -ip 4156
                            1⤵
                              PID:1960
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4156 -ip 4156
                              1⤵
                                PID:1676
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4156 -ip 4156
                                1⤵
                                  PID:3688
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4156 -ip 4156
                                  1⤵
                                    PID:3404
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 4156 -ip 4156
                                    1⤵
                                      PID:232
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 4156 -ip 4156
                                      1⤵
                                        PID:1420
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 4156 -ip 4156
                                        1⤵
                                          PID:1596

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\61d2efa9c1768ab71cc1cc51f0f3b729.exe

                                          Filesize

                                          236KB

                                          MD5

                                          3c3940b8adcb6b27c33cc43aca5b4dbe

                                          SHA1

                                          8ef3df9b473861edad2d5a3c8dd8bbce09bf9188

                                          SHA256

                                          c7ee82011b9c9c5265ac807e9fc13e958ceba1d85c8704adef6417a4b1e4f445

                                          SHA512

                                          54bc2a5050d891398ce4bac2d2aba0822bb3aba1c5b6fef7f6469630ef56f9ecffe830e216cd6ac4d10c72f9dbb7d1057252631a55e54ce13757dc9ddd2cd178

                                        • C:\Users\Admin\AppData\Local\Temp\l8d7l.xml

                                          Filesize

                                          1KB

                                          MD5

                                          4005e0ba8239cfbf36451bb73259a0a1

                                          SHA1

                                          9f1fea560b86f5c0d3c9f80e8159b30755be3bae

                                          SHA256

                                          3a46a9c217e60c25ddb838390db97b574ae9c97f53ac435c38aac057ed1f2555

                                          SHA512

                                          bd54b1a4d0162c6b10d9175e1cb9a690c1e9cdfb52409dbbe6db4f7c04e0bd219d4fae4e011fab7dd1e455b5e88539615ef37e504f5dbefad3516cfee61c4be7

                                        • memory/3484-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3484-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3484-2-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3484-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4156-15-0x00000000016E0000-0x000000000175E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4156-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4156-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4156-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4156-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB