Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2024 03:05

General

  • Target

    5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe

  • Size

    168KB

  • MD5

    5ecb9787aa6d090c57087651e90e1df9

  • SHA1

    73180af05512021561e68362a524923d1cdfc75d

  • SHA256

    19ed945bf4322bce952910ea8b5e73954db0add7bc277f8eef95d5dee2b903c3

  • SHA512

    36737eb168e3094d73a7eb5402187035e89c87f6428ae2cdbb170d6b51f3e398ea6d1a172c529e8a5361727ede414b31e4756ea4a777fe11e349123fb13f91ff

  • SSDEEP

    3072:sr85CBn9mLr7ixvH9jxfVuEESIsjydDxG6Nc1huSUZAnas7M0CEwq9LmRB:k9B9wixvH9jxfVuExjCihFaA/CEwkm7

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\Local\Temp\3582-490\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe

    Filesize

    127KB

    MD5

    3467ff09d4ba639bbc4e156c16a59bbf

    SHA1

    e6645ce42c1f7ce9d6af4ea064b112ab7314fbae

    SHA256

    ba4cdbad5076667a4b89d4f9b3c72c0607b72509bdf42a156f2c42fde612d7ec

    SHA512

    8bce14bb6bcc8edafd2221421b359825f22dfaf2c8680a79646c858ac8f76d8003787d2b3fe3c6b4f1a2c1b9d73092c9e00436a0c1c340e11a55d046bfe63347

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/804-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/804-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2300-11-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB