Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 00:31

General

  • Target

    6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe

  • Size

    3.6MB

  • MD5

    6926669dedeb8045cd2d476f2b566e6c

  • SHA1

    df914c580b643182a19fee80b32867a6f7fcb061

  • SHA256

    73c0e632a867e3f3ae14e1e3d6d654768393e10b9edfec58bf702cd29fb8c9b5

  • SHA512

    25262446dd340a9b15062af2254da690deca671f06ad4ad0a18184bc92287225d2d8af355e53625d77d337e27fff57f184b551d07716083e2dea86779aefae98

  • SSDEEP

    98304:M5ImrvzyuJwS1mt3XjRzHesy5PYP8PCHR9FhIhizpl3ApZZ7qPh:BOyuJwSwtDRzHcz6hIMzplwpUh

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks system information in the registry 2 TTPs 1 IoCs

    System information is often read in order to detect sandboxing environments.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\is-74GLV.tmp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-74GLV.tmp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.tmp" /SL5="$C006C,3455376,122880,C:\Users\Admin\AppData\Local\Temp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Users\Admin\AppData\Local\Temp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe" /VERYSILENT
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Users\Admin\AppData\Local\Temp\is-ESLFV.tmp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-ESLFV.tmp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.tmp" /SL5="$90050,3455376,122880,C:\Users\Admin\AppData\Local\Temp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks system information in the registry
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1600
          • C:\Windows\SysWOW64\taskkill.exe
            "C:\Windows\system32\taskkill.exe" /f /im "Agent.exe"
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:900
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /Create /F /SC ONLOGON /RL HIGHEST /TN "Flexera® Software Manager" /TR "\"C:\Program Files (x86)\Common Files\InstallShield\Update\Agent.exe\"
            5⤵
            • Creates scheduled task(s)
            PID:4416
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /Create /F /SC WEEKLY /D WED,SUN /ST 12:00 /RL HIGHEST /TN "Optimize Desktop Icon Cache" /TR "wscript.exe //nologo //E:jscript //B \"C:\ProgramData\InstallShield\Update\agent.ini\"
            5⤵
            • Creates scheduled task(s)
            PID:2776
          • C:\Users\Admin\AppData\Local\Temp\is-9PLMO.tmp\_setup.exe
            "C:\Users\Admin\AppData\Local\Temp\is-9PLMO.tmp\_setup.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4920
            • C:\Users\Admin\AppData\Local\Temp\is-JFBPC.tmp\_setup.tmp
              "C:\Users\Admin\AppData\Local\Temp\is-JFBPC.tmp\_setup.tmp" /SL5="$A01E4,2952592,69120,C:\Users\Admin\AppData\Local\Temp\is-9PLMO.tmp\_setup.exe"
              6⤵
              • Executes dropped EXE
              PID:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-21GSN.tmp\idp.dll

    Filesize

    216KB

    MD5

    8f995688085bced38ba7795f60a5e1d3

    SHA1

    5b1ad67a149c05c50d6e388527af5c8a0af4343a

    SHA256

    203d7b61eac96de865ab3b586160e72c78d93ab5532b13d50ef27174126fd006

    SHA512

    043d41947ab69fc9297dcb5ad238acc2c35250d1172869945ed1a56894c10f93855f0210cbca41ceee9efb55fd56a35a4ec03c77e252409edc64bfb5fb821c35

  • C:\Users\Admin\AppData\Local\Temp\is-74GLV.tmp\6926669dedeb8045cd2d476f2b566e6c_JaffaCakes118.tmp

    Filesize

    770KB

    MD5

    d5bc5caade81e4e88e6430cfd6070b50

    SHA1

    a8f79806f5b9bacb89992d4feeaa9b1d141792e6

    SHA256

    debef1eac1e149c7d9313ac70f5b340f3203b35c231400c2e4c9b9fd4b637249

    SHA512

    478b0c28eeef339cda13e3bb5806bd7bd0aa9685ddb4845bc90349dfc6a9b43d388acfac68330c400a06bd09f3b35d976904acdc455a9d228c066fed0acd8c6a

  • C:\Users\Admin\AppData\Local\Temp\is-9PLMO.tmp\_setup.exe

    Filesize

    3.1MB

    MD5

    a02164371a50c5ff9fa2870ef6e8cfa3

    SHA1

    060614723f8375ecaad8b249ff07e3be082d7f25

    SHA256

    64c731adbe1b96cb5765203b1e215093dcf268d020b299445884a4ae62ed2d3a

    SHA512

    6c6903f3a3092fd3d63c373189f2c06e12de032ee4fd6b80a15f58eaeb2079f3ae8a8bcdac85a358b1f9070b192b1c8260f9aa127d009b5afce475f966e91326

  • C:\Users\Admin\AppData\Local\Temp\is-JFBPC.tmp\_setup.tmp

    Filesize

    703KB

    MD5

    1778c1f66ff205875a6435a33229ab3c

    SHA1

    5b6189159b16c6f85feed66834af3e06c0277a19

    SHA256

    95c06acac4fe4598840e5556f9613d43aa1039c52dac64536f59e45a70f79da6

    SHA512

    8844de1296ce707e3c5c71823f5118f8f2e50287ace3a2ee1ec0b69df0ec48ebcf5b755db669d2cd869d345fb06a9c07b36e98eda8c32a9b26b8fe22bdc105a0

  • memory/1520-56-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/1600-26-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/1600-51-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/1736-2-0x0000000000401000-0x000000000040C000-memory.dmp

    Filesize

    44KB

  • memory/1736-21-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/1736-1-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/1844-19-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/1844-7-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2920-16-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2920-54-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2920-14-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4920-41-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4920-55-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB