Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 10:42

General

  • Target

    eb21479b09dc43d3944cc05855197ad0_JaffaCakes118.dll

  • Size

    238KB

  • MD5

    eb21479b09dc43d3944cc05855197ad0

  • SHA1

    22ce15c820a7f5b359336b3e27c9237eaf961b47

  • SHA256

    06fadfd8fbbcc3ed357335b3e2fe0788f0fe21b90ef4e8dd970fb782ed129a17

  • SHA512

    dfc837c8b1852e00465c93be72d20ee978199504a2a58b63d1fbaf10e8eb84391090d3a9caf2d7e062256a8c840aa48457f64bede52a7fa0fac727a77e68dc29

  • SSDEEP

    6144:i9MuyyWjkUSsnUscIf4kEqcm/Y/qILPxCdZ2:iu7jkUM/I4q5QS0pCP2

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb21479b09dc43d3944cc05855197ad0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb21479b09dc43d3944cc05855197ad0_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~TMEBB6.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMEBF5.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    162KB

    MD5

    e07b4e7be7e1cdd0ead473e5fe3f713a

    SHA1

    e6f1a84895090d4a912526183507af35a6fe28d7

    SHA256

    693897e39710e0ed68036e37fc472c6941af1152e2dfad84c32b88a4ba4b5a08

    SHA512

    5980170f90c1a0e2a8e041fdf16fa112b9c8435abbc4956d3908a51058b3c9166cccbe764259ac41a461a679a9b50a174c380591ab812ff0813e4b77d8de5a34

  • memory/2224-0-0x0000000073B30000-0x0000000073B6F000-memory.dmp

    Filesize

    252KB

  • memory/2224-2-0x0000000073B30000-0x0000000073B6F000-memory.dmp

    Filesize

    252KB

  • memory/2640-11-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2640-10-0x0000000000220000-0x0000000000289000-memory.dmp

    Filesize

    420KB

  • memory/2640-18-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB