Analysis

  • max time kernel
    39s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 18:41

General

  • Target

    101aad3251f017f5420020c89af209a5_JaffaCakes118.exe

  • Size

    7.7MB

  • MD5

    101aad3251f017f5420020c89af209a5

  • SHA1

    7626756667b593f4783d7859f699b47b04482408

  • SHA256

    b4cb7a73c0b36c74df8b4cb6ee6a49e6963c803a31356514ca4b5f04e7610467

  • SHA512

    cb2958ddafb872d8a8054b2466be1ea32d78dcdd73d6d9ddf86a26ae15339d17c74e8ed216bf76cfdd005fc1e5fba90205ee32d452eeb9407b2268523d662826

  • SSDEEP

    196608:EPPZsp+AQq71eNwYpNA5zv/ihur3gIfW+mfGiSbk2q97djMY:EPPZspjJZYpNGzv/KA3gI+Dft97F5

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 39 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\101aad3251f017f5420020c89af209a5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\101aad3251f017f5420020c89af209a5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:488
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\nsjFCE7.tmp\vcredist.msi" /qn
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:600
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C117DF5E3152DC03F820D0566E240027
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsjFCE7.tmp\vcredist.msi

    Filesize

    2.6MB

    MD5

    f194e681c552647c95441877b5552415

    SHA1

    285c6b1dbbc2d1525c9b1c276a4901b98d49b202

    SHA256

    6d4f42d5856384c2566ed79bdc587993208013640b035b04540de9f05ee597d6

    SHA512

    8ed21ce7829a1cb6c2dd4eff2e3701171aeba5b7e4337eaf0ddff86ea3fda812198a2e3fb4f1873b129944bdc8ddb09ebbd78e5c2b9811900cb853ef2afdab8c

  • C:\Windows\Installer\MSI20AC.tmp

    Filesize

    28KB

    MD5

    85221b3bcba8dbe4b4a46581aa49f760

    SHA1

    746645c92594bfc739f77812d67cfd85f4b92474

    SHA256

    f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

    SHA512

    060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

  • \Users\Admin\AppData\Local\Temp\nsjFCE7.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\nsjFCE7.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    c10e04dd4ad4277d5adc951bb331c777

    SHA1

    b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    SHA256

    e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    SHA512

    853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

  • \Users\Admin\AppData\Local\Temp\nsjFCE7.tmp\nsRichEdit.dll

    Filesize

    5KB

    MD5

    02f1858b3131ffc3fc5e3a5391d3a489

    SHA1

    454a6d749cf55ff990bd9f57941aca9d1f1674f6

    SHA256

    f00bd6d3e7c7b8e8ad18b7dc6275fb80cc720fb164200a6506f50f6e66998b12

    SHA512

    8147fa8014a5065f4fed7de1fbb9c2ee2c1b94d63596f7bbcf6821ecd41a73d25ebdfa1e71ca74d7598cba063042b6dfcaf050a23d0c855a7b6fbc94147ab41b

  • memory/488-20-0x0000000075440000-0x0000000075449000-memory.dmp

    Filesize

    36KB