Analysis

  • max time kernel
    28s
  • max time network
    213s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2023, 23:44

General

  • Target

    Lunar Client v2.15.1.exe

  • Size

    754KB

  • MD5

    ec7ffaaf4aa860d1d0b843b5de15ac59

  • SHA1

    8fa9b0ab0790149cb563d4d27ec8954e9ddb969f

  • SHA256

    183c1ce5ac789cdd12e75554804dc4a1f635eb5f7d239eccd987475afa82aaf6

  • SHA512

    44950aec9adb9e144cbe72ac4c3b652a748193c652d4558a04b3b9c995888869085e8c5d23f8e8030862ab26c744eb482d5affe0747ccf20fb0a9f41f527b736

  • SSDEEP

    12288:5Meeeeeeeeeeeeeeee7eeeeeeeeeeeeeezeeeeeeeeeeeeeeeeee7eeeeeeeeee2:57IF0HL8MaDu173pG1szLSvJwCU4h0/r

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lunar Client v2.15.1.exe
    "C:\Users\Admin\AppData\Local\Temp\Lunar Client v2.15.1.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1184

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\nsn1C78.tmp\INetC.dll

          Filesize

          238KB

          MD5

          38caa11a462b16538e0a3daeb2fc0eaf

          SHA1

          c22a190b83f4b6dc0d6a44b98eac1a89a78de55c

          SHA256

          ed04a4823f221e9197b8f3c3da1d6859ff5b176185bde2f1c923a442516c810a

          SHA512

          777135e05e908ac26bfce0a9c425b57f7132c1cdb0969bbb6ef625748c868860602bacc633c61cab36d0375b94b6bcfbd8bd8c7fa781495ef7332e362f8d44d1

        • \Users\Admin\AppData\Local\Temp\nsn1C78.tmp\SpiderBanner.dll

          Filesize

          9KB

          MD5

          17309e33b596ba3a5693b4d3e85cf8d7

          SHA1

          7d361836cf53df42021c7f2b148aec9458818c01

          SHA256

          996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

          SHA512

          1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

        • \Users\Admin\AppData\Local\Temp\nsn1C78.tmp\StdUtils.dll

          Filesize

          100KB

          MD5

          c6a6e03f77c313b267498515488c5740

          SHA1

          3d49fc2784b9450962ed6b82b46e9c3c957d7c15

          SHA256

          b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

          SHA512

          9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

        • \Users\Admin\AppData\Local\Temp\nsn1C78.tmp\System.dll

          Filesize

          12KB

          MD5

          0d7ad4f45dc6f5aa87f606d0331c6901

          SHA1

          48df0911f0484cbe2a8cdd5362140b63c41ee457

          SHA256

          3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

          SHA512

          c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

        • \Users\Admin\AppData\Local\Temp\nsn1C78.tmp\nsProcess.dll

          Filesize

          4KB

          MD5

          f0438a894f3a7e01a4aae8d1b5dd0289

          SHA1

          b058e3fcfb7b550041da16bf10d8837024c38bf6

          SHA256

          30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

          SHA512

          f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

        • memory/1184-54-0x00000000767F1000-0x00000000767F3000-memory.dmp

          Filesize

          8KB