Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 23:13

General

  • Target

    e8ba0aa2da54a167d0e59cf65b081efc_JaffaCakes118.dll

  • Size

    216KB

  • MD5

    e8ba0aa2da54a167d0e59cf65b081efc

  • SHA1

    7ce0a359d4401d06f34dbdbd21b3f2464d897ccc

  • SHA256

    cc7a7826c474c87255c1df1dc73f64e386b50455dd95886381f212b0e4d51751

  • SHA512

    65c4267861b1aefccba6dc5d5ceb44cff4de4cba61ac942d533e7574f94d337551ed7f5af3a37fe3c4371d246ca2a4b74be9539488550e605f37299942a054a5

  • SSDEEP

    6144:vOp8HpzdQOStKnq49cw5DCQ0+0FNfR4zfJhL90:vOp8Hpz7q4CMv907fO9hLG

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 1 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\e8ba0aa2da54a167d0e59cf65b081efc_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8ba0aa2da54a167d0e59cf65b081efc_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\~TMB05B.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMB07C.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    26e925a9ddef3d6c0f13461b82e06bd7

    SHA1

    2a0d5afc0dc7d59fa953d4f78bcfe19233128b60

    SHA256

    7ca8bf265410bdb56b129456edf27098b99f0244cd01cc040e071094483b8ab7

    SHA512

    7012088a2db4a40122dfae9e0ed6c10e3bebfc6cb5172f4c6def0723aa984f7a79722ab995063dfb775470382614c726e5e36fdee8512ed216207e110eaceedd

  • memory/2428-5-0x0000000000150000-0x0000000000182000-memory.dmp

    Filesize

    200KB

  • memory/2428-10-0x0000000000150000-0x0000000000182000-memory.dmp

    Filesize

    200KB

  • memory/2428-1-0x0000000007000000-0x0000000007038000-memory.dmp

    Filesize

    224KB

  • memory/2428-0-0x0000000007000000-0x0000000007038000-memory.dmp

    Filesize

    224KB

  • memory/2428-23-0x0000000000150000-0x0000000000182000-memory.dmp

    Filesize

    200KB

  • memory/2428-24-0x0000000000150000-0x0000000000152000-memory.dmp

    Filesize

    8KB

  • memory/2552-12-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2552-13-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2552-15-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2552-21-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB