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Analysis

  • max time kernel
    132s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 02:24

General

  • Target

    b9feb16b174259bbdc3be7dabf880df1_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    b9feb16b174259bbdc3be7dabf880df1

  • SHA1

    c7f89c2b82eb856487c8b5e01a8a17bd86038f9f

  • SHA256

    93415a654d7490707f270c3f0ecc4574b7d29d4c54e57ae2b9046db205c6ea1e

  • SHA512

    927e4424b7a6a99756bccd5386d7f04c9ea0b12b6034a18b29653f104a20c5b535851abd02c6316bd6439139287fe904e002dc16b87d3590715d3f5da704234f

  • SSDEEP

    768:fBe63Mih/hgq+EcYmroNDFIqaQYgxqsKqWG+/VDg:xMCcUmrQnR3hYV

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9feb16b174259bbdc3be7dabf880df1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b9feb16b174259bbdc3be7dabf880df1_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Windows\SysWOW64\SiZhu.exe
      C:\Windows\system32\SiZhu.exe SiZhu
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~SiGou.bat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2568
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~SiGou.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4324
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4464,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=4028 /prefetch:8
    1⤵
      PID:728

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~SiGou.bat

      Filesize

      130B

      MD5

      05f52e759c787bfbf843ba36ccf734a2

      SHA1

      2d81a279dd24a320a62d184fec747ca5f70570ee

      SHA256

      4c9b671f2169b55c0265974d2d618e9e03060a0664da88c05ea580be9eb2a7a9

      SHA512

      efcbce3fbcb8a0e22d4b41bfcf7afe73e5dd1bf4ceded4892fdd060e993dcf7c3930c989b6eb4fe1b690ced1f70a0e9ef75dfe6b5e2a61f9be14ef9169c6d172

    • C:\Users\Admin\AppData\Local\Temp\~SiGou.bat

      Filesize

      240B

      MD5

      07e6e4196eec61a346c0a68ec071c84f

      SHA1

      f7b0b5adf5a5b68062bfb2f4d09a7424773820bc

      SHA256

      ae90c14928316e54aad4c9b8d59c059a0eb0130a38f3a821e2fa3f49d7b078e7

      SHA512

      035666af93f6dbdf35129433ea70bc637b7c700beb0ff48bd37d042be8d695a5ba7bc0a41858254e18990cddc87a544a2fc1f2464f538cffc6c0046f1506bffd

    • C:\Windows\SysWOW64\SiZhu.exe

      Filesize

      37KB

      MD5

      b9feb16b174259bbdc3be7dabf880df1

      SHA1

      c7f89c2b82eb856487c8b5e01a8a17bd86038f9f

      SHA256

      93415a654d7490707f270c3f0ecc4574b7d29d4c54e57ae2b9046db205c6ea1e

      SHA512

      927e4424b7a6a99756bccd5386d7f04c9ea0b12b6034a18b29653f104a20c5b535851abd02c6316bd6439139287fe904e002dc16b87d3590715d3f5da704234f

    • memory/3508-0-0x0000000000400000-0x0000000000425554-memory.dmp

      Filesize

      149KB

    • memory/3508-1-0x0000000000400000-0x0000000000425554-memory.dmp

      Filesize

      149KB

    • memory/3508-2-0x0000000000401000-0x000000000041C000-memory.dmp

      Filesize

      108KB

    • memory/3508-20-0x0000000000400000-0x0000000000425554-memory.dmp

      Filesize

      149KB

    • memory/3508-21-0x0000000000401000-0x000000000041C000-memory.dmp

      Filesize

      108KB

    • memory/5056-11-0x0000000000400000-0x0000000000425554-memory.dmp

      Filesize

      149KB

    • memory/5056-19-0x0000000000400000-0x0000000000425554-memory.dmp

      Filesize

      149KB