Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 12:12

General

  • Target

    c896c5818094009495a1d5bff2f8d46d.exe

  • Size

    3.9MB

  • MD5

    c896c5818094009495a1d5bff2f8d46d

  • SHA1

    7c60228762533bc0664aee00765a4827948234f6

  • SHA256

    5923791af9a81975698c79bfacc45a87fdba73b63e188883875b8cf6719c5d4a

  • SHA512

    04b427f5159039e9b832fb25a03b010767491a083ae80f4f335b04e28fade1411d6c7e7396c430e1be9a0ff42b07b0105b7dce8245df2c858907f0ef4b5d7fb9

  • SSDEEP

    98304:LqXHP50DBeP1mA9zyULG+e+djJ8uskbJA9zyULG+R3pnZ9y0+hRbZA9zyULG+e+0:LaateNnzLqf+Nx1b2zLqspv+yzLqf+N7

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\c896c5818094009495a1d5bff2f8d46d.exe
    "C:\Users\Admin\AppData\Local\Temp\c896c5818094009495a1d5bff2f8d46d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Users\Admin\AppData\Local\Temp\c896c5818094009495a1d5bff2f8d46d.exe
      C:\Users\Admin\AppData\Local\Temp\c896c5818094009495a1d5bff2f8d46d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c896c5818094009495a1d5bff2f8d46d.exe" /TN 7GxH6WXY874a /F
        3⤵
        • Creates scheduled task(s)
        PID:3608
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 7GxH6WXY874a > C:\Users\Admin\AppData\Local\Temp\FwBhrTmT.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2148
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 7GxH6WXY874a
          4⤵
            PID:4552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 608
          3⤵
          • Program crash
          PID:1732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 632
          3⤵
          • Program crash
          PID:3324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 716
          3⤵
          • Program crash
          PID:1512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 720
          3⤵
          • Program crash
          PID:2144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 720
          3⤵
          • Program crash
          PID:2012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 780
          3⤵
          • Program crash
          PID:1504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 1472
          3⤵
          • Program crash
          PID:4180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 1928
          3⤵
          • Program crash
          PID:3720
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 2144
          3⤵
          • Program crash
          PID:2624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 1940
          3⤵
          • Program crash
          PID:4364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 1932
          3⤵
          • Program crash
          PID:1792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 2096
          3⤵
          • Program crash
          PID:4788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 1940
          3⤵
          • Program crash
          PID:1988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 2156
          3⤵
          • Program crash
          PID:5004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 2176
          3⤵
          • Program crash
          PID:4472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 2180
          3⤵
          • Program crash
          PID:408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 1952
          3⤵
          • Program crash
          PID:1692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 712
          3⤵
          • Program crash
          PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2404 -ip 2404
      1⤵
        PID:3892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2404 -ip 2404
        1⤵
          PID:3396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2404 -ip 2404
          1⤵
            PID:868
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2404 -ip 2404
            1⤵
              PID:2628
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2404 -ip 2404
              1⤵
                PID:4888
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2404 -ip 2404
                1⤵
                  PID:4972
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2404 -ip 2404
                  1⤵
                    PID:708
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2404 -ip 2404
                    1⤵
                      PID:2688
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2404 -ip 2404
                      1⤵
                        PID:3076
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2404 -ip 2404
                        1⤵
                          PID:1496
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2404 -ip 2404
                          1⤵
                            PID:3484
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 2404 -ip 2404
                            1⤵
                              PID:2408
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 2404 -ip 2404
                              1⤵
                                PID:3016
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 2404 -ip 2404
                                1⤵
                                  PID:2908
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 2404 -ip 2404
                                  1⤵
                                    PID:2384
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 2404 -ip 2404
                                    1⤵
                                      PID:1732
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 2404 -ip 2404
                                      1⤵
                                        PID:5116
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2404 -ip 2404
                                        1⤵
                                          PID:3312

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

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

                                                Filesize

                                                1KB

                                                MD5

                                                e4e852a91eb8c6c2bffb1a52c989d29a

                                                SHA1

                                                cdb9f95de1a125d8c4272e0a03b62a23e66ba70a

                                                SHA256

                                                354988f27562fd670194076c74eabbb781f1e5bc607199445c330f7758686a64

                                                SHA512

                                                1ef214ac2e3d4310ba330f281a48ede746ef69add17e195124267ef1791189e1277b801d4273f7cccd61919038ed85b128137c991edb799b630f2b6bc2790abb

                                              • C:\Users\Admin\AppData\Local\Temp\c896c5818094009495a1d5bff2f8d46d.exe

                                                Filesize

                                                3.9MB

                                                MD5

                                                8ccfb486bb10647424e186f06f05efef

                                                SHA1

                                                8ccbf6e412b85de1b4dca460e7822f435b9b7bf0

                                                SHA256

                                                eb6867862e35f70bff1e3781bd8b6b5bdaeb3691a0969dac42d5b4bab7f49b7d

                                                SHA512

                                                9a46563a87760bab468ba1a85481a8477bb0a479729e4ea1b2deff6d7d7139c7334d1849a663528317c04b85ab9d5e13e2a1cc412a6c0e2510aa26dff2fbd495

                                              • memory/2404-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/2404-16-0x0000000001660000-0x00000000016DE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/2404-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/2404-23-0x00000000004B0000-0x000000000051B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2404-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/3584-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/3584-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/3584-4-0x0000000025020000-0x000000002509E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/3584-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB