Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2024, 08:58

General

  • Target

    76eef7437852beab2a3ee761f94e711b.exe

  • Size

    12.0MB

  • MD5

    76eef7437852beab2a3ee761f94e711b

  • SHA1

    e1165f3aa7fdfe5fb16945fa924b4340be9abb74

  • SHA256

    012e727106ea56ca9cb2646085fcea3e4c6132af00ffeffe7312878262100fd2

  • SHA512

    389563745c682ee6c41d471a0cf5207fc9e6500fb2778946a9ed913a24c180536d57a4c8a17227071f41350b39081bccb13929e24d5d3b29477ebf38ab13fb04

  • SSDEEP

    196608:3Y+2diaWry7mbYdfPlbdiaWry7mbYd4rtzm7+ndiaWry7mbYdfPlbdiaWry7mbYD:BRXAPaRXhzKRXAPaRXnRXAPaRXhzKRXl

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\76eef7437852beab2a3ee761f94e711b.exe
    "C:\Users\Admin\AppData\Local\Temp\76eef7437852beab2a3ee761f94e711b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\76eef7437852beab2a3ee761f94e711b.exe
      C:\Users\Admin\AppData\Local\Temp\76eef7437852beab2a3ee761f94e711b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\76eef7437852beab2a3ee761f94e711b.exe" /TN xWvB9PLxff3d /F
        3⤵
        • Creates scheduled task(s)
        PID:3020
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN xWvB9PLxff3d > C:\Users\Admin\AppData\Local\Temp\9HKZuU44M.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN xWvB9PLxff3d
          4⤵
            PID:4588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 616
          3⤵
          • Program crash
          PID:488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 636
          3⤵
          • Program crash
          PID:3880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 648
          3⤵
          • Program crash
          PID:4444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 732
          3⤵
          • Program crash
          PID:3460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 720
          3⤵
          • Program crash
          PID:4696
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 728
          3⤵
          • Program crash
          PID:3348
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1472
          3⤵
          • Program crash
          PID:4636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1936
          3⤵
          • Program crash
          PID:4828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 2144
          3⤵
          • Program crash
          PID:5028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1952
          3⤵
          • Program crash
          PID:1352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1992
          3⤵
          • Program crash
          PID:4796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1936
          3⤵
          • Program crash
          PID:3788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1984
          3⤵
          • Program crash
          PID:1916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1952
          3⤵
          • Program crash
          PID:4836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1976
          3⤵
          • Program crash
          PID:2632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1628
          3⤵
          • Program crash
          PID:2732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 2172
          3⤵
          • Program crash
          PID:4024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 712
          3⤵
          • Program crash
          PID:1616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1956 -ip 1956
      1⤵
        PID:3688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1956 -ip 1956
        1⤵
          PID:5076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1956 -ip 1956
          1⤵
            PID:4544
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1956 -ip 1956
            1⤵
              PID:3972
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1956 -ip 1956
              1⤵
                PID:1592
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1956 -ip 1956
                1⤵
                  PID:3032
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1956 -ip 1956
                  1⤵
                    PID:2060
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1956 -ip 1956
                    1⤵
                      PID:5048
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1956 -ip 1956
                      1⤵
                        PID:3068
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1956 -ip 1956
                        1⤵
                          PID:3432
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1956 -ip 1956
                          1⤵
                            PID:3320
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1956 -ip 1956
                            1⤵
                              PID:1628
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1956 -ip 1956
                              1⤵
                                PID:1080
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1956 -ip 1956
                                1⤵
                                  PID:4616
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1956 -ip 1956
                                  1⤵
                                    PID:1480
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1956 -ip 1956
                                    1⤵
                                      PID:3616
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1956 -ip 1956
                                      1⤵
                                        PID:3896
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1956 -ip 1956
                                        1⤵
                                          PID:2768

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\76eef7437852beab2a3ee761f94e711b.exe

                                                Filesize

                                                624KB

                                                MD5

                                                aceee9828548cdd337eead8e0917bb4c

                                                SHA1

                                                fb568ded40cd0b1a60e607738bb0f699c8d8782c

                                                SHA256

                                                c2d7686898b766ed135480b9c0893be990dd2f8ae74eb2a9c092f014c5d36255

                                                SHA512

                                                38ecb4ff01eef72136d003211c2cc541747ffc93339388ee90ac6659d3b5dfac8946f36f81b92639ba44c17c710480cd9b5784e0ddf92ece1f8a8eac3ba33a65

                                              • C:\Users\Admin\AppData\Local\Temp\9HKZuU44M.xml

                                                Filesize

                                                1KB

                                                MD5

                                                5b8a982424df3a0d3012132e4e15d105

                                                SHA1

                                                f43d4443f4dd6ca4d68d2fff772a0de9df6f14e8

                                                SHA256

                                                99026a694aa33b55d391a1306377c330c46098a80f5761d8e80296afd4e0ff35

                                                SHA512

                                                3c1c3e6c797b37b728f636727c3f7dbedd5e13ec4b1280054d0a4c6733bb4e0e40e50b99bb4a1c390837ccbc3ad13eb78e6299319bd8b14c487649de6ba8c6a3

                                              • memory/1956-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/1956-17-0x0000000023FF0000-0x000000002406E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/1956-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/1956-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/1956-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/4512-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/4512-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4512-5-0x0000000001720000-0x000000000179E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/4512-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB