Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 16:51

General

  • Target

    63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe

  • Size

    754KB

  • MD5

    63fce9495d3ffad47e44ed2245c34253

  • SHA1

    bf136b6664d6b3b9963c12aa921e124e23c0fa7e

  • SHA256

    fc888a0f0487934ab02ab615b0dc23727a9d87b0e689738016464fac17ba8c96

  • SHA512

    740febbeba093c12bfe59cb089aebdfac89330f624b66738dddd22e622df6b1486d35546381087c3303689bbf83ce2911f1127a6b2c0905ab431c0e797141c4b

  • SSDEEP

    12288:4sIKt7tB/XuqHNh28dHnj0g68HLaKEoEu3RN+jM9:4sIKt7t1ek2Yj0tmLaKEoH3RN+jM9

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
  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63fce9495d3ffad47e44ed2245c34253_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:1952
    • C:\Users\Admin\AppData\Local\Temp\3582-490\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe

    Filesize

    713KB

    MD5

    78ac633b80c9d081770d1982c47d9ccc

    SHA1

    61ac4a9bd0412e9929bebcd34bfe9ae434ded8a5

    SHA256

    55d4920f81e6370e4ffc09f7467c15737e8a2f1b6a23971104527b3d8ae702ac

    SHA512

    c593096c709e258cae8cb366a84d8ae9d2adb6adb327c735109f7d403d7fed552f4cf6215d5f26f34b93a0f435969fa77d16ebf68fbfd096021a14c6b6c47bc2

  • memory/1952-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1952-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB