Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 05:14

General

  • Target

    a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.exe

  • Size

    4.2MB

  • MD5

    a81ea853bf9b120de2a174d4d10539a8

  • SHA1

    b8d0a28c6fbcc17a71d69ef1118881c62e853603

  • SHA256

    527ebc286403b71481f19edbe7bed09e18475f724927e0082a5f790700fb82ed

  • SHA512

    79cf99bef3085dff8dc68b2e07afe960bb00b7907711b12c38faeb7ba0d3dfdbfd10daf33fbf02a87655a72cae570d594fdcdd6c32e4395e9ae7544e5e4e808a

  • SSDEEP

    98304:rwoRIqXAfJt102DXdmdA+1xgoGKPhNHiEhDCn0U8xF7EeP:xRJXAT102DXdmdA+1xgoGKiUCh0PP

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\is-FNTEF.tmp\a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FNTEF.tmp\a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.tmp" /SL5="$500F8,3896000,115200,C:\Users\Admin\AppData\Local\Temp\a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      PID:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\is-FNTEF.tmp\a81ea853bf9b120de2a174d4d10539a8_JaffaCakes118.tmp

    Filesize

    1.1MB

    MD5

    963af29d268f2fec39870cb520ff986f

    SHA1

    a19a98d895eb14bb7043ece41d10d99ad8502bed

    SHA256

    9df1a3f9c6c8911d728fde5630d741b930468690828216acfb8a9e30e4caf905

    SHA512

    a3ebc5a7bb65adf34240cd0d2540e9420bd450a6e302bb3bc41c9d2e751a468400f4792709d65976d4766b4d49121b034254099b8181b67eee23ebeeb0f3b1b5

  • \Users\Admin\AppData\Local\Temp\is-G4L5M.tmp\OptProHelper.dll

    Filesize

    1.2MB

    MD5

    f8effd4170e2d87ac5cbde8041b7ca35

    SHA1

    fa6d17177d7735ba2b3ecc419a2c948228c985a2

    SHA256

    3d7368ad358eabc3b6eec988fb5a0acf4acf112e3fb5ed2ef686ed05e2c6104d

    SHA512

    c01e4de0cae3d5c43a511c9abdfebe8b61a4dc129cbb075e8d8654255cf7dadd4c301aec12a1c78f442810b82ee81e97fb4754dd884316a27d3ce3873c11bdf0

  • \Users\Admin\AppData\Local\Temp\is-G4L5M.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-G4L5M.tmp\itdownload.dll

    Filesize

    200KB

    MD5

    d82a429efd885ca0f324dd92afb6b7b8

    SHA1

    86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

    SHA256

    b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

    SHA512

    5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

  • memory/2052-21-0x0000000004310000-0x0000000004457000-memory.dmp

    Filesize

    1.3MB

  • memory/2052-8-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2052-18-0x00000000003C0000-0x00000000003FC000-memory.dmp

    Filesize

    240KB

  • memory/2052-25-0x00000000003C0000-0x00000000003FC000-memory.dmp

    Filesize

    240KB

  • memory/2052-24-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2052-26-0x0000000004310000-0x0000000004457000-memory.dmp

    Filesize

    1.3MB

  • memory/2052-36-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2052-55-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2052-52-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2052-57-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2984-2-0x0000000000401000-0x0000000000412000-memory.dmp

    Filesize

    68KB

  • memory/2984-0-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2984-23-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB