Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 05:47

General

  • Target

    df99d601836e60465610d4e5deea9942_JaffaCakes118.exe

  • Size

    74KB

  • MD5

    df99d601836e60465610d4e5deea9942

  • SHA1

    712b548b417ef1bed1dfaffb5819849495f00274

  • SHA256

    022e5e3eed0f7c820a6afe2a0fb87f68a3388dab5c51060e8274a5825e8f1024

  • SHA512

    9beb80a0631255db441b04063791e48f71c5a0b6d1fc969fcf6e2044641d49a922c5e514285f492f1c9451bc8dde8c2261f126ac1b1d4ead6c99c9e7de544c78

  • SSDEEP

    1536:ro5nSSxQUrr+NrPk4LnvDrRZNeYRwr30Fpb+4D5K3TPVXM:r8nxQu+NDRJZNHCcpS4gC

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows 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 8 IoCs

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

  • Modifies data under HKEY_USERS 9 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df99d601836e60465610d4e5deea9942_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\df99d601836e60465610d4e5deea9942_JaffaCakes118.exe"
    1⤵
    • Looks for VMWare Tools registry key
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\a.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\net.exe
        net stop "Security Center"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Security Center"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2588
      • C:\Windows\SysWOW64\net.exe
        net stop winvnc4
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop winvnc4
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2576
  • C:\Windows\winimi.exe
    "C:\Windows\winimi.exe"
    1⤵
    • Looks for VMWare Tools registry key
    • Deletes itself
    • Executes dropped EXE
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\a.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\winimi.exe

    Filesize

    74KB

    MD5

    df99d601836e60465610d4e5deea9942

    SHA1

    712b548b417ef1bed1dfaffb5819849495f00274

    SHA256

    022e5e3eed0f7c820a6afe2a0fb87f68a3388dab5c51060e8274a5825e8f1024

    SHA512

    9beb80a0631255db441b04063791e48f71c5a0b6d1fc969fcf6e2044641d49a922c5e514285f492f1c9451bc8dde8c2261f126ac1b1d4ead6c99c9e7de544c78

  • C:\a.bat

    Filesize

    71B

    MD5

    4db2c561024318efaf926a8e0a6ebc36

    SHA1

    8e3060152b239e7c7bc488e79030b9e3c13de066

    SHA256

    f9ea85780a059d9338c359925ec487588102ef55be4062ec4ac19efc8af59f0f

    SHA512

    df700bc9348e147ceb1db687974c567fdff052d73eb4709b718f3b3dfaf44116a5a70c0ae62438416888c0783a575e524f501da1308bbc987443ec3c852bef99

  • memory/2644-3-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2644-0-0x0000000000484000-0x000000000048C000-memory.dmp

    Filesize

    32KB

  • memory/2644-4-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2644-7-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2644-6-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2644-2-0x0000000000484000-0x000000000048C000-memory.dmp

    Filesize

    32KB

  • memory/2644-1-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2644-24-0x0000000000484000-0x000000000048C000-memory.dmp

    Filesize

    32KB

  • memory/2644-23-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2712-21-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2712-22-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB

  • memory/2712-25-0x0000000000400000-0x000000000048BA60-memory.dmp

    Filesize

    558KB