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Analysis

  • max time kernel
    143s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 20:42

General

  • Target

    252a53eb823139352a705180bedc5a37_JaffaCakes118.exe

  • Size

    429KB

  • MD5

    252a53eb823139352a705180bedc5a37

  • SHA1

    65e72461f8b718ce73bd7a635f8bea5a9bff957f

  • SHA256

    ad14a052c2469e5886bf81e18da365ae954411a90f30b538fe33b08eef94f9a7

  • SHA512

    0f62b3c1522d63137f5ad81b3ddea8c5e3e274fdc21863051c70d930d59e1d5d0ac9e808e63dfa24633f988ea655fc95ab6c2b173d93fd44042a03a1fff42b2d

  • SSDEEP

    6144:QXEMSTj/tYm+zoED78n9vOg4N45R44Oel7QAA3CkKXBBeng2HgFUwrnKbZ:1Ff/6z0Oh45C4OelsQPGHgLnS

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 38 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\252a53eb823139352a705180bedc5a37_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\252a53eb823139352a705180bedc5a37_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll" DllStart
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:4696
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3036
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:17410 /prefetch:2
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFBA6.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G94T3PNL\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\nsu7784.tmp\NSISdl.dll

    Filesize

    14KB

    MD5

    2bb3a180348b2b3d155cd12b9eda0712

    SHA1

    1f3e94f5457502ce59aee891275288f88739f367

    SHA256

    944bc80b57670eb187bdd59250f77af6ab657a2cb6ede3621139d8c04d57eec3

    SHA512

    d555b890910a8a729e37cd69fb612d5d7efe76f2821995b3c7b532d663d5993688692d8d5be6f97f683daaaf02683a134c69f9ae6710a7e005dc7cd47cce0c55

  • C:\Users\Admin\AppData\Local\Temp\nsu7784.tmp\System.dll

    Filesize

    10KB

    MD5

    0bbcbaee7b703ebd55cd8658a0e8dcd3

    SHA1

    6ed448b8b67cea36eb45bfbc67fed9a6da9623e4

    SHA256

    e67277ecc4f6c7beb3c7e586ce508677269db056c7541eacfecf6c719f559da6

    SHA512

    604c524bd00313f6411cc9878d5c9a1db77588049feeb5bb02c971df44f8becbd18d251cc20e551b878173eb2a78be61f31352769597c6334cffc0bc2326b008

  • C:\Windows\SysWOW64\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll

    Filesize

    362KB

    MD5

    143082133f945ac135a939e885c410b9

    SHA1

    7f3c3839b4a1ca4c0fcbb3592d87fab2c14908e2

    SHA256

    11cee79ceafa393090ee9f1007e60ad172d6069e0032aa7bf6b014fd7a5a3a1c

    SHA512

    2dbda15281cb8b5f917cf18435bb41ad244a754e69e6a3aaaaec3351806a03359286f89f80fa369d6976168843ab2aa7f58158c3ec569eefee03d0909f78ed67

  • memory/4420-11-0x00000000023C0000-0x0000000002432000-memory.dmp

    Filesize

    456KB

  • memory/4420-10-0x00000000023C0000-0x0000000002432000-memory.dmp

    Filesize

    456KB

  • memory/4420-13-0x0000000003150000-0x00000000031AA000-memory.dmp

    Filesize

    360KB

  • memory/4420-44-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-43-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-67-0x00000000022A0000-0x00000000022A1000-memory.dmp

    Filesize

    4KB

  • memory/4420-66-0x0000000002290000-0x0000000002291000-memory.dmp

    Filesize

    4KB

  • memory/4420-65-0x0000000004150000-0x0000000004151000-memory.dmp

    Filesize

    4KB

  • memory/4420-64-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-63-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-62-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-61-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-60-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-59-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-58-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-57-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-56-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-55-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-54-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-53-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-52-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-51-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-50-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-49-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-48-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-47-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/4420-46-0x0000000004130000-0x0000000004132000-memory.dmp

    Filesize

    8KB

  • memory/4420-45-0x00000000023C0000-0x0000000002432000-memory.dmp

    Filesize

    456KB

  • memory/4420-42-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-41-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-40-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-39-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-38-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-37-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-36-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-35-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-34-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-33-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-32-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-31-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-30-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-29-0x00000000032C0000-0x00000000032C1000-memory.dmp

    Filesize

    4KB

  • memory/4420-28-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/4420-27-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-26-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-25-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-24-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-23-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-22-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-21-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-20-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-19-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/4420-18-0x0000000003300000-0x0000000003301000-memory.dmp

    Filesize

    4KB

  • memory/4420-17-0x0000000003340000-0x0000000003341000-memory.dmp

    Filesize

    4KB

  • memory/4420-16-0x0000000003320000-0x0000000003321000-memory.dmp

    Filesize

    4KB

  • memory/4420-15-0x0000000003330000-0x0000000003331000-memory.dmp

    Filesize

    4KB

  • memory/4420-14-0x00000000032E0000-0x00000000032E1000-memory.dmp

    Filesize

    4KB

  • memory/4420-80-0x00000000023C0000-0x0000000002432000-memory.dmp

    Filesize

    456KB

  • memory/4696-95-0x0000000010000000-0x0000000010072000-memory.dmp

    Filesize

    456KB