Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 02:42

General

  • Target

    65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.exe

  • Size

    4.2MB

  • MD5

    65bbf1e257aa7b30b4bf9c3a93882052

  • SHA1

    4166c61efdc97b7599163922ad00b04b80b5b3cf

  • SHA256

    515a49e400209c5c4df0ebfde5f8b511b981088298434fa3b08d6e2e63fdbcb8

  • SHA512

    82e9bfe094f14d7931aadbf94c20fa6e63e8e4bc3099e82a7bb6f413ab3d02bdfe3ce9038208293d03d7f97d92cd180c7aa7214ce7643ceb7af0d35281188306

  • SSDEEP

    98304:RwoRIqXAfJt102DXdmdA+1xgoGKPhNHiEhDCn0U8xF7EeW:PRJXAT102DXdmdA+1xgoGKiUCh0PW

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.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Local\Temp\is-NA1OU.tmp\65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NA1OU.tmp\65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.tmp" /SL5="$4001C,3896000,115200,C:\Users\Admin\AppData\Local\Temp\65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\is-GM60P.tmp\OptProHelper.dll

    Filesize

    1.2MB

    MD5

    f8effd4170e2d87ac5cbde8041b7ca35

    SHA1

    fa6d17177d7735ba2b3ecc419a2c948228c985a2

    SHA256

    3d7368ad358eabc3b6eec988fb5a0acf4acf112e3fb5ed2ef686ed05e2c6104d

    SHA512

    c01e4de0cae3d5c43a511c9abdfebe8b61a4dc129cbb075e8d8654255cf7dadd4c301aec12a1c78f442810b82ee81e97fb4754dd884316a27d3ce3873c11bdf0

  • \Users\Admin\AppData\Local\Temp\is-GM60P.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-GM60P.tmp\itdownload.dll

    Filesize

    200KB

    MD5

    d82a429efd885ca0f324dd92afb6b7b8

    SHA1

    86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

    SHA256

    b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

    SHA512

    5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

  • \Users\Admin\AppData\Local\Temp\is-NA1OU.tmp\65bbf1e257aa7b30b4bf9c3a93882052_JaffaCakes118.tmp

    Filesize

    1.1MB

    MD5

    963af29d268f2fec39870cb520ff986f

    SHA1

    a19a98d895eb14bb7043ece41d10d99ad8502bed

    SHA256

    9df1a3f9c6c8911d728fde5630d741b930468690828216acfb8a9e30e4caf905

    SHA512

    a3ebc5a7bb65adf34240cd0d2540e9420bd450a6e302bb3bc41c9d2e751a468400f4792709d65976d4766b4d49121b034254099b8181b67eee23ebeeb0f3b1b5

  • memory/1896-23-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1896-0-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1896-2-0x0000000000401000-0x0000000000412000-memory.dmp

    Filesize

    68KB

  • memory/2936-10-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2936-18-0x0000000001FE0000-0x000000000201C000-memory.dmp

    Filesize

    240KB

  • memory/2936-21-0x0000000004120000-0x0000000004267000-memory.dmp

    Filesize

    1.3MB

  • memory/2936-24-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2936-26-0x0000000004120000-0x0000000004267000-memory.dmp

    Filesize

    1.3MB

  • memory/2936-25-0x0000000001FE0000-0x000000000201C000-memory.dmp

    Filesize

    240KB

  • memory/2936-27-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/2936-29-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB