Analysis

  • max time kernel
    144s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 05:45

General

  • Target

    bffe6ed8bd9fa288b3ecaf6999e2ce75.exe

  • Size

    2.0MB

  • MD5

    bffe6ed8bd9fa288b3ecaf6999e2ce75

  • SHA1

    8a1cc5f8b2a07aeacf9ebfe6b58badb8e7adb1dd

  • SHA256

    c7d27dfd731d3ac9337b78fba56486885bca3648752ce0688c7f9aeb764a9c32

  • SHA512

    68938d154537baac17dbe18c844ec0d9200d76f6af21088c1e816c647d99e102b9f286df155450771e1fc4f241ebcaec54b402a8c6f430b2de07cddef0971feb

  • SSDEEP

    49152:0arbmvZ1Jp4hcakLz0ibq6yqhCqhV4M1AkTbWocakLz0ibq6yqh:0arSvnJWhcakcibiqhCqr40zbWocakcO

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\bffe6ed8bd9fa288b3ecaf6999e2ce75.exe
    "C:\Users\Admin\AppData\Local\Temp\bffe6ed8bd9fa288b3ecaf6999e2ce75.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\bffe6ed8bd9fa288b3ecaf6999e2ce75.exe
      C:\Users\Admin\AppData\Local\Temp\bffe6ed8bd9fa288b3ecaf6999e2ce75.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bffe6ed8bd9fa288b3ecaf6999e2ce75.exe" /TN DQCzT8QTc52d /F
        3⤵
        • Creates scheduled task(s)
        PID:2364
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN DQCzT8QTc52d > C:\Users\Admin\AppData\Local\Temp\5BrsE.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4508
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN DQCzT8QTc52d
          4⤵
            PID:3248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 608
          3⤵
          • Program crash
          PID:4760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 632
          3⤵
          • Program crash
          PID:2848
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 708
          3⤵
          • Program crash
          PID:932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 736
          3⤵
          • Program crash
          PID:3012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 736
          3⤵
          • Program crash
          PID:3400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 720
          3⤵
          • Program crash
          PID:4052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1456
          3⤵
          • Program crash
          PID:3396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1908
          3⤵
          • Program crash
          PID:1544
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 2136
          3⤵
          • Program crash
          PID:3980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1924
          3⤵
          • Program crash
          PID:1568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1948
          3⤵
          • Program crash
          PID:4732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1992
          3⤵
          • Program crash
          PID:2616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1980
          3⤵
          • Program crash
          PID:1272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 2100
          3⤵
          • Program crash
          PID:1672
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1940
          3⤵
          • Program crash
          PID:2908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1912
          3⤵
          • Program crash
          PID:1652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1904
          3⤵
          • Program crash
          PID:4076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 704
          3⤵
          • Program crash
          PID:632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4416 -ip 4416
      1⤵
        PID:4968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4416 -ip 4416
        1⤵
          PID:1996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4416 -ip 4416
          1⤵
            PID:4928
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4416 -ip 4416
            1⤵
              PID:2104
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4416 -ip 4416
              1⤵
                PID:3140
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4416 -ip 4416
                1⤵
                  PID:3300
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4416 -ip 4416
                  1⤵
                    PID:5044
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4416 -ip 4416
                    1⤵
                      PID:1180
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4416 -ip 4416
                      1⤵
                        PID:1804
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4416 -ip 4416
                        1⤵
                          PID:452
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4416 -ip 4416
                          1⤵
                            PID:4532
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4416 -ip 4416
                            1⤵
                              PID:116
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4416 -ip 4416
                              1⤵
                                PID:4324
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4416 -ip 4416
                                1⤵
                                  PID:1188
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4416 -ip 4416
                                  1⤵
                                    PID:468
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4416 -ip 4416
                                    1⤵
                                      PID:3900
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4416 -ip 4416
                                      1⤵
                                        PID:3824
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4416 -ip 4416
                                        1⤵
                                          PID:2620

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\5BrsE.xml

                                          Filesize

                                          1KB

                                          MD5

                                          2ff96fcdb5e4e10d91834bb6d3a20c8e

                                          SHA1

                                          96a64fb1eb58635c38fc47382658011780601332

                                          SHA256

                                          3f9ce5263d1ca948d903a191ed832fbc6ade2948b309d9785c8cfe36f9eb369b

                                          SHA512

                                          090f7bc3f85ac9a845b3cfd0b368bac4f33a6c953ab57f792237cfd8987de9d240fe6dd142ef55c43342ba76ada33c5b5ecb84c32152e5f0917a66e2f1d530c2

                                        • C:\Users\Admin\AppData\Local\Temp\bffe6ed8bd9fa288b3ecaf6999e2ce75.exe

                                          Filesize

                                          2.0MB

                                          MD5

                                          433f86e3abfa590fd7cbe83a138eb66e

                                          SHA1

                                          2c29535152b17946a46fc784b3ffb81ef64099d5

                                          SHA256

                                          ed2eff7bb1fa13d7729370cd1ebe8c2b91807f32ae982b2c70979ef8ae5bfd82

                                          SHA512

                                          27a36cd79f35eae3ee1ec52767727d5ccf977fec37a860eb8ff4cb2a37ac2acf5ebe4f1bce78083fcd2809ca43522c598cc96480f3dc657115392a169475a6ac

                                        • memory/2124-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2124-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2124-5-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2124-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4416-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4416-16-0x00000000018A0000-0x000000000191E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4416-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4416-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4416-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB