Analysis

  • max time kernel
    142s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 03:55

General

  • Target

    2a65061fa559d41238775ac3189e271e_JaffaCakes118.exe

  • Size

    429KB

  • MD5

    2a65061fa559d41238775ac3189e271e

  • SHA1

    e0d9738db0f9acb1f5e1dd33a8ba37bd054bc890

  • SHA256

    0db637d3ba640cd0659b4c03b6e516b6644d0c352ae7e7fa331d318308306ae0

  • SHA512

    21f81538b7aabebfdd27e7d0342eb5398e33e263ea8ca5e2024aecd743a31939e02d601861fa3425fce045df11d2b9b360f1949c32b20adb0f2bef5dd7ba5696

  • SSDEEP

    12288:eUQ6fxZ5iqxSTuKJ+Ayjr1rqtZ/lffliurT5M42:FfxPTlHAEpqb/Lius

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 36 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\2a65061fa559d41238775ac3189e271e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2a65061fa559d41238775ac3189e271e_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:2432
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\{aaef255f-83b1-ec14-6a65-7502e9df7357}.dll" DllStart
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1960
  • 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:852
  • 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:3428
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3428 CREDAT:17410 /prefetch:2
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:5096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GPUS7TYC\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\nsgAF1E.tmp\NSISdl.dll

    Filesize

    14KB

    MD5

    2bb3a180348b2b3d155cd12b9eda0712

    SHA1

    1f3e94f5457502ce59aee891275288f88739f367

    SHA256

    944bc80b57670eb187bdd59250f77af6ab657a2cb6ede3621139d8c04d57eec3

    SHA512

    d555b890910a8a729e37cd69fb612d5d7efe76f2821995b3c7b532d663d5993688692d8d5be6f97f683daaaf02683a134c69f9ae6710a7e005dc7cd47cce0c55

  • C:\Users\Admin\AppData\Local\Temp\nsgAF1E.tmp\System.dll

    Filesize

    10KB

    MD5

    0bbcbaee7b703ebd55cd8658a0e8dcd3

    SHA1

    6ed448b8b67cea36eb45bfbc67fed9a6da9623e4

    SHA256

    e67277ecc4f6c7beb3c7e586ce508677269db056c7541eacfecf6c719f559da6

    SHA512

    604c524bd00313f6411cc9878d5c9a1db77588049feeb5bb02c971df44f8becbd18d251cc20e551b878173eb2a78be61f31352769597c6334cffc0bc2326b008

  • C:\Windows\SysWOW64\{aaef255f-83b1-ec14-6a65-7502e9df7357}.dll

    Filesize

    362KB

    MD5

    2a86bcc1ed9158ed416ec68f5abb882c

    SHA1

    65a8c481467305940291a31ec5b7148e330411ef

    SHA256

    26182251f50751f38c5059580268ec556ebc5482c258d514230ee09ed2f9651c

    SHA512

    e1d4e9b5f9ac7e6402f2dc921a9a2792e7b549354c93c9fb48c093971059353c25bf59a14a7f4a7659f58e6c2530b85d776fc5f9e1edad0d1e1ec70a4c42df6b

  • memory/1960-63-0x0000000010000000-0x0000000010072000-memory.dmp

    Filesize

    456KB

  • memory/1960-47-0x0000000010000000-0x0000000010072000-memory.dmp

    Filesize

    456KB

  • memory/2432-24-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-19-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-30-0x0000000004180000-0x0000000004181000-memory.dmp

    Filesize

    4KB

  • memory/2432-29-0x0000000004130000-0x0000000004132000-memory.dmp

    Filesize

    8KB

  • memory/2432-28-0x0000000004130000-0x0000000004131000-memory.dmp

    Filesize

    4KB

  • memory/2432-27-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-26-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-25-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-33-0x0000000004150000-0x0000000004151000-memory.dmp

    Filesize

    4KB

  • memory/2432-23-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-22-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-21-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-20-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-31-0x0000000003080000-0x0000000003081000-memory.dmp

    Filesize

    4KB

  • memory/2432-18-0x00000000032C0000-0x00000000032C1000-memory.dmp

    Filesize

    4KB

  • memory/2432-17-0x0000000003300000-0x0000000003301000-memory.dmp

    Filesize

    4KB

  • memory/2432-16-0x0000000003340000-0x0000000003341000-memory.dmp

    Filesize

    4KB

  • memory/2432-15-0x0000000003320000-0x0000000003321000-memory.dmp

    Filesize

    4KB

  • memory/2432-14-0x0000000003330000-0x0000000003331000-memory.dmp

    Filesize

    4KB

  • memory/2432-13-0x00000000032E0000-0x00000000032E1000-memory.dmp

    Filesize

    4KB

  • memory/2432-32-0x0000000003090000-0x0000000003091000-memory.dmp

    Filesize

    4KB

  • memory/2432-34-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

  • memory/2432-58-0x0000000003000000-0x000000000300D000-memory.dmp

    Filesize

    52KB

  • memory/2432-12-0x00000000030E0000-0x000000000313A000-memory.dmp

    Filesize

    360KB

  • memory/2432-10-0x0000000003000000-0x0000000003072000-memory.dmp

    Filesize

    456KB