Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2024, 13:16

General

  • Target

    05f5325d1d556bbf560bce6a47400fa4_JaffaCakes118.dll

  • Size

    238KB

  • MD5

    05f5325d1d556bbf560bce6a47400fa4

  • SHA1

    60169075a007279f88572c3f1387a4c5ecec88ac

  • SHA256

    642b1a514e7a1ce661fc3682b4bd1a35b42a9335c230cc3f04788cff0786a72a

  • SHA512

    cf0632ea33b662a643f7c2e8aca97111fb5beebf3c60e0c1c0c7464112c7a5bb8fa576ad75dd5bdfdb642269224825c10178cb5176579b8555c9ad0275e55e63

  • SSDEEP

    1536:anGnhw19I87AGgnoT/sLuIl45t0HchRHKUii2hgEfLS5I5TJwpG8GHvk+C8ch:aGnhw19ISgnoTkF45scS7i4LAITnvk3h

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • 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.

  • Modifies registry class 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\05f5325d1d556bbf560bce6a47400fa4_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\05f5325d1d556bbf560bce6a47400fa4_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\ipc.dll

    Filesize

    625KB

    MD5

    95e2376b3323f062eb562b8586d0f14a

    SHA1

    453d4c3bf4a489433b593420a37bbffb7749875a

    SHA256

    bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

    SHA512

    b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

  • \Windows\SysWOW64\ubo.dll

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/548-0-0x0000000000401000-0x0000000000409000-memory.dmp

    Filesize

    32KB

  • memory/548-10-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/548-14-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/548-11-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB