Overview

overview

10

Static

static

3

3111a806fe...18.exe

windows7-x64

10

3111a806fe...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 16:12

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General

  • Target

    3111a806fe695f254ada08c5309ae02a_JaffaCakes118.exe

  • Size

    456KB

  • MD5

    3111a806fe695f254ada08c5309ae02a

  • SHA1

    9d5f7c56291968c3154054119380a2783dbb4a6a

  • SHA256

    c7132d730f820c84fdea2f9636e9c7e06ff8060b350dc13fe3bf11bc55f398b0

  • SHA512

    e8ead6ad107e89f4b7bdce182dea7d78ba324d50d5b53a946973c0ae879a1844c4671fec97a3f6c1eebe37a6c889a02fdb41137b40bc0a6f1e64c498cea8a84d

  • SSDEEP

    12288:7pUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsyNT0x:7pUNr6YkVRFkgbeqeo68Fhqk

Score
10/10
defense_evasionevasionpersistencetrojan

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
    persistence
  • UAC bypass 3 TTPs 13 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 28 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    evasion
  • Executes dropped EXE 4 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
    defense_evasion
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 8 IoCs
    evasiontrojan
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 32 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 32 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 41 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\3111a806fe695f254ada08c5309ae02a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3111a806fe695f254ada08c5309ae02a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\yjdebjphitn.exe
      "C:\Users\Admin\AppData\Local\Temp\yjdebjphitn.exe" "c:\users\admin\appdata\local\temp\3111a806fe695f254ada08c5309ae02a_jaffacakes118.exe*"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1988
      • C:\Users\Admin\AppData\Local\Temp\whlpves.exe
        "C:\Users\Admin\AppData\Local\Temp\whlpves.exe" "-C:\Users\Admin\AppData\Local\Temp\vpcpewtbwjhxwcer.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Impair Defenses: Safe Mode Boot
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:1156
      • C:\Users\Admin\AppData\Local\Temp\whlpves.exe
        "C:\Users\Admin\AppData\Local\Temp\whlpves.exe" "-C:\Users\Admin\AppData\Local\Temp\vpcpewtbwjhxwcer.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System policy modification
        PID:2584
    • C:\Users\Admin\AppData\Local\Temp\yjdebjphitn.exe
      "C:\Users\Admin\AppData\Local\Temp\yjdebjphitn.exe" "c:\users\admin\appdata\local\temp\3111a806fe695f254ada08c5309ae02a_jaffacakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System policy modification
      PID:2624

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Execution

        Persistence

        Boot or Logon Autostart Execution

        3
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Privilege Escalation

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Boot or Logon Autostart Execution

        3
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Defense Evasion

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Impair Defenses

        2
        T1562

        Disable or Modify Tools

        1
        T1562.001

        Safe Mode Boot

        1
        T1562.009

        Modify Registry

        5
        T1112

        Credential Access

        Discovery

        System Information Discovery

        2
        T1082

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          e3b79e45886eeb74cf69af29a21b9df6

          SHA1

          67588db3a6c14bcf16e56235d2fb51730e565e2e

          SHA256

          33002bc100e3380bc05fcf68dfe95940b5361b7ce626fe542f96c39e107c25ec

          SHA512

          e14b0ffd9f55bd74bafe431853dd1af012ca4d1d6493b6ec76116d1f3b49fa52aef3179c101c99f32b2036069752be77acad40fee51d706d69998c4efb505fee

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        • C:\Program Files (x86)\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          d703289ae96268e67bf487474ab84057

          SHA1

          e63f259b7e20dd5d1ae0bb7a04ad916ef067982c

          SHA256

          94760d73d4284396cfbbc049b15b41b53c0d64f43fd360f9cafbc764ec05dc9e

          SHA512

          b48d67d1a161bcd653c920e3834fa3c75017c56d35225e2edc938abb348674d7a8dce4e662fb0732a3697403534c6158b1f6c593885885ada80943c4956d8315

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        • C:\Program Files (x86)\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          30193333c6821cfd89f4757149b24800

          SHA1

          7775539c60f05360fa1c7eb46cea45cd39358d9b

          SHA256

          124048c079d9822d7c93aa93e07e514fb5a25d2f0ea9aa5235b1d238d577269c

          SHA512

          67012be9032f5abe2f609122d5bf192a01a37ad93df05a7d36e6db3af79bc4be1fd4ddef316cad6f84af67705cdb57318f3df97707e5f0ec149c522ecefe1662

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        • C:\Program Files (x86)\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          2634ec4c718e05ac48c7951dbaadc91f

          SHA1

          e4fd208652b9b72b51078fed5f68a83578504dd0

          SHA256

          6220297ff13c9e0a7ea694e91c666ddae7c73ee4bdd8c06d1f6aec33a89a7cee

          SHA512

          32117e012714af81f646f5e103e41e283f544eca056e850d332da146f558fa254e8f7f716d28ba1d6a759d4df0a8589b722a4046deb20b616757dc0b65b3eef8

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        • C:\Program Files (x86)\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          5467335c7b28b2b839cb86fd10ccc9c5

          SHA1

          73278c171d42c3624e1fa6be2b66fb909a0de598

          SHA256

          e9e35d20d69eb60749a534594ccfa6d2b70305acc1195c2f4638ddafaeb5d4bc

          SHA512

          b3365f57700f5dbabbc233264cc98387a4a771b213e5cf98e655c82679f1238b969f2b0a6949a322343e3d18dbf3d40ce3c8a2182bfe59c2262fa4855ac60465

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        • C:\Program Files (x86)\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          efee2f390d79f7da1054d6a76ee27774

          SHA1

          b28e5400e8e17cf598c60c1ae2b334adde0fbf9d

          SHA256

          a698a627d464729e38cfc56b9ec216036cda966786bf1b93347e6228695427ee

          SHA512

          5809b2bd18d41931acdb69ba1f1d66a6c2799ee63eaafc80ab6c124979f7ff14cb1e4cdfdb1ef16e4fb6091a0ea6a932bd2fac77d07d44501cd658cfdc0fde65

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        • C:\Users\Admin\AppData\Local\pxyzcitpyzlpcwmnmxjrstwcnj.tfj
          Filesize

          280B

          MD5

          83bcf5b68f624cdbb190ab21e32d06ab

          SHA1

          3919b6bd90e353acdf9cb6b02555f1760a7c36a8

          SHA256

          cafd3f1737891cb377a0edf84b510bfd1ae9209ca010d5b5620d530b212a0775

          SHA512

          dff39298059d58be4bc28acd3473e64970605bddf1f6687440e1d757eda892062e5b38497e57b1fa34242fa67626cc951a639ba029dc034a81e86ce3aae8f5eb

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        • C:\Users\Admin\AppData\Local\qjvhvmipjvshfklxhdatfrfwsztfcrpuvhrnk.pbp
          Filesize

          4KB

          MD5

          cc9126f07246ae781e3fc992529c187f

          SHA1

          65bfd4002bee6f81e8e321d942d3e7fc03b7da4d

          SHA256

          4e06ef145e13e9be13a03135c1d601633ee11c50ec0ba907c9ba3d7855f1a9a2

          SHA512

          e0d63ee99354d9b77ad9f9aefde785b652295b05697f913f57d8fa630644d4579516e48c580a934f2a2162ec628784c60d26f10fa74ed8cb2567a3028c2c1656

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        • C:\Windows\SysWOW64\lhwlcwvfcrrjkswlyx.exe
          Filesize

          456KB

          MD5

          3111a806fe695f254ada08c5309ae02a

          SHA1

          9d5f7c56291968c3154054119380a2783dbb4a6a

          SHA256

          c7132d730f820c84fdea2f9636e9c7e06ff8060b350dc13fe3bf11bc55f398b0

          SHA512

          e8ead6ad107e89f4b7bdce182dea7d78ba324d50d5b53a946973c0ae879a1844c4671fec97a3f6c1eebe37a6c889a02fdb41137b40bc0a6f1e64c498cea8a84d

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        • \Users\Admin\AppData\Local\Temp\whlpves.exe
          Filesize

          720KB

          MD5

          ad17145b97d8ef6ff9eb2fc799e98d48

          SHA1

          efa1a3d39270b376cb60f02d3f5ab3f38ac12851

          SHA256

          4922514f68afdd44de942ce0f765cfc66d1a62ed4051b5c3d2accc94511b4a43

          SHA512

          4edb31c2a2e3d9b8824b9ed860122b6c948f5dad2676b5b8cf59b8efa30a762a93e4a7c74f9ef243806df43ab3c4a94bdf20b220c77faa056a9b7e059131ec81

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        • \Users\Admin\AppData\Local\Temp\yjdebjphitn.exe
          Filesize

          320KB

          MD5

          3e57f936ca3277b7a6b0f4e08b631123

          SHA1

          4c902e80881a486a817afa4e0401fbed54317143

          SHA256

          c9db7cf4b0fab4536abd1837157c12c1ec6658da8b67105647bd37a8edb549b5

          SHA512

          b7f4e10060b602700731ffd40cefd527193c32bb4235a2e46664eeb9443508dcb46b27bcfa27304e4823a83c8ff0593185ba646554c351d39dba86d2e3024971

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