Analysis

  • max time kernel
    52s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    13/01/2023, 20:27

General

  • Target

    Lunar Client v2.15.1.exe

  • Size

    754KB

  • MD5

    ec7ffaaf4aa860d1d0b843b5de15ac59

  • SHA1

    8fa9b0ab0790149cb563d4d27ec8954e9ddb969f

  • SHA256

    183c1ce5ac789cdd12e75554804dc4a1f635eb5f7d239eccd987475afa82aaf6

  • SHA512

    44950aec9adb9e144cbe72ac4c3b652a748193c652d4558a04b3b9c995888869085e8c5d23f8e8030862ab26c744eb482d5affe0747ccf20fb0a9f41f527b736

  • SSDEEP

    12288:5Meeeeeeeeeeeeeeee7eeeeeeeeeeeeeezeeeeeeeeeeeeeeeeee7eeeeeeeeee2:57IF0HL8MaDu173pG1szLSvJwCU4h0/r

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 18 IoCs
  • Checks installed software on the system 1 TTPs

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

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 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
    • Suspicious use of AdjustPrivilegeToken
    PID:976
  • C:\Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe
    "C:\Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe"
    1⤵
    • Executes dropped EXE
    PID:1444

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          640KB

          MD5

          a54d5186b123d5a15b8f9c6f3b20d8c9

          SHA1

          561d1fd8d768d687f61fc2f6c47af74cc034208e

          SHA256

          850eab89f5779c2a1fadcd2658a6cac5aec98b5fd73ad3794a9b2a76800b09ca

          SHA512

          3861c610b0b87a4ae77a9cebf1903b4b1a2f3ff791cb9a2c9b5e9e2c52f1a04a3b0155962619afd312f3f3dca1b0c753af5acfa259ce61f96b90380ac1bf21d2

        • C:\Users\Admin\AppData\Local\Programs\lunarclient\ffmpeg.dll

          Filesize

          591KB

          MD5

          fbafadd5ad8aab594213d06898f56fef

          SHA1

          3820d50c73fe8a84285822020ce01966428c71fd

          SHA256

          46c8ab1141d9e99b0b731550cb71345ec1d43508136c950d32347a104bde2f07

          SHA512

          9f72c4f5f2a6d96233b00a9204b582434e45cc23b88fb73700c7c5c27ae954ea4af8f80d388553ad65245aa224b34d6914b8d2aff249dde569ea095c077e385e

        • C:\Users\Admin\AppData\Local\Programs\lunarclient\resources\app.asar

          Filesize

          128KB

          MD5

          85cb389a97ea9e404ae5567b7d61d1d0

          SHA1

          cf8dcfeea8eb6f83703737393e3278e6b42ea694

          SHA256

          292406c18403416d8451cb3847a9ca7b28b3ba2ba4e23f13914ad69176232984

          SHA512

          3c43124d198520215da9730fed89042a2438dcbe8561ba7bc4d8e1df62e1bdcc6ff2d70009a72f5026b0fba25b5211be140f9fc721f8ff3931a1fac8342ac522

        • C:\Users\Admin\AppData\Local\Programs\lunarclient\v8_context_snapshot.bin

          Filesize

          161KB

          MD5

          e47426f88649c7f8e27b8a1516cc0137

          SHA1

          5452aadfddbc55d6c5c18b801087e39529859b12

          SHA256

          09686ad5bf03d95de7c251d204e60a8e3824bd6420bedddee80b2c6e5609fb26

          SHA512

          f9647a35ff273ca622b3db4aefb9aaf75075386c42a31e085f916fc82f3a18fed25b0e05dcc09e678ca419408f59f0c34fa5762e5f945db35f9c6f67b7b94bc0

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          89.8MB

          MD5

          40ab20cbf6549af4e26adc0e24311efe

          SHA1

          db9cc6984c1b7c465ff9c17b20475bd8ec5079d5

          SHA256

          19c7ca7ba1d6f60c9622b2f83139581549c43e41819213a6fdc4ee30abc8ebb2

          SHA512

          5c7b019dc33d3cd99c668d255b417f82b3b68588792e55265688c53bb53ae8615147f84c62b5691d6809bd49466f8150a7e2677cf62675984ed118ca906ff190

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          86.3MB

          MD5

          e1f6ecfbfc7e3932e7d6e4988b0124fe

          SHA1

          c5455827d8aca0d9c56378f03ca2daaa6b0fde50

          SHA256

          8a9c12c181aca3f0b2cbbeb2d2e5c13b9dbfe16de49c3345f21c308eb071128e

          SHA512

          a76efbbd671017cc1a0d66eead42468e13d62b10afcafca2e998e56dab19758eb9ec7b9d92587a34a43421c28386285f2e65bffece6cf79f442d39f4ee85d2f8

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          53.9MB

          MD5

          298e0669631e081e25a8050a32485448

          SHA1

          c8e80799895fcadc8eec6596ceb7c4b4b52942e3

          SHA256

          a5e276fc9d7a330f0ac339cda756585352265ca59af35e2b8f710824fd72f0f3

          SHA512

          37cb1a36d556908af4dbb918d11228fa7fab18e11bf3f5a4a9b8151516a112924c72f30ff74b763c9dba995a887361130a2ad4b5af7767f0ba08947f40fda0cb

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          50.5MB

          MD5

          7ccdf0197a1782bc846dda0bef3c6c8e

          SHA1

          429178d072552de7add3493b4bb3a38e0b0ce8a6

          SHA256

          90f2ae64d7c1bf9210487ffc1f427e61a16a3f69aafa28359a87b18aa301e6b2

          SHA512

          93de28ff4cfcf2aebfa144aa358e63a940b19270e0c8b57c8467febc28a0eb1252242842410016c64d2de084b23f2c932b5b5a733028a107aa5ca7cf1f136bd7

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          17.6MB

          MD5

          b84da298275015239887d25474feac9e

          SHA1

          bbbb5b5d32b097d4db1655711310128d1cde7b09

          SHA256

          ad5db1f4bf8157f70e9ed7b5eb6d5bd2bf13e9149104a03a13293e40074a8818

          SHA512

          5ee25ff984c6dca15ed242bb77bacb753108a9542d6090e0f5ddbbc1b1d2e8ff3a6a1a7f8246ab32e86935adce9506e741e4a66fecd4f4989720b53df77cbe15

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          17.6MB

          MD5

          b84da298275015239887d25474feac9e

          SHA1

          bbbb5b5d32b097d4db1655711310128d1cde7b09

          SHA256

          ad5db1f4bf8157f70e9ed7b5eb6d5bd2bf13e9149104a03a13293e40074a8818

          SHA512

          5ee25ff984c6dca15ed242bb77bacb753108a9542d6090e0f5ddbbc1b1d2e8ff3a6a1a7f8246ab32e86935adce9506e741e4a66fecd4f4989720b53df77cbe15

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          17.4MB

          MD5

          f4503f4010cfd8c16adce7a60762d9a9

          SHA1

          966a4d136c76f3d5ac0b686e389b74fee2b8b0d7

          SHA256

          a929f133862b468ccded5e4ebca6082438e87a25a2cbf9cc137e77609895df7d

          SHA512

          7cdc209d1b150f6228fd2fd06e006086836fcbaa85e94fa8959831f539a4345282acee1761f09ad572d8a78034fee8ec984089c4c769b166b6a1433669288886

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          17.4MB

          MD5

          f4503f4010cfd8c16adce7a60762d9a9

          SHA1

          966a4d136c76f3d5ac0b686e389b74fee2b8b0d7

          SHA256

          a929f133862b468ccded5e4ebca6082438e87a25a2cbf9cc137e77609895df7d

          SHA512

          7cdc209d1b150f6228fd2fd06e006086836fcbaa85e94fa8959831f539a4345282acee1761f09ad572d8a78034fee8ec984089c4c769b166b6a1433669288886

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          17.4MB

          MD5

          f4503f4010cfd8c16adce7a60762d9a9

          SHA1

          966a4d136c76f3d5ac0b686e389b74fee2b8b0d7

          SHA256

          a929f133862b468ccded5e4ebca6082438e87a25a2cbf9cc137e77609895df7d

          SHA512

          7cdc209d1b150f6228fd2fd06e006086836fcbaa85e94fa8959831f539a4345282acee1761f09ad572d8a78034fee8ec984089c4c769b166b6a1433669288886

        • \Users\Admin\AppData\Local\Programs\lunarclient\Lunar Client.exe

          Filesize

          17.4MB

          MD5

          f4503f4010cfd8c16adce7a60762d9a9

          SHA1

          966a4d136c76f3d5ac0b686e389b74fee2b8b0d7

          SHA256

          a929f133862b468ccded5e4ebca6082438e87a25a2cbf9cc137e77609895df7d

          SHA512

          7cdc209d1b150f6228fd2fd06e006086836fcbaa85e94fa8959831f539a4345282acee1761f09ad572d8a78034fee8ec984089c4c769b166b6a1433669288886

        • \Users\Admin\AppData\Local\Programs\lunarclient\ffmpeg.dll

          Filesize

          576KB

          MD5

          9333bbd7a907c21be2db255efc67f690

          SHA1

          e18d37b88ee79f454ce0bb86e33a780f7b60ecd8

          SHA256

          3fea274cc62337441787b182fb462803ccd2a521c256d7eeb08ac5eaba058035

          SHA512

          c52904b92f1a0fb31764555fbd259c8759c0e0ae4e61d58273b537d03089f774d87daddeeedf42015dc8c5618a21a487e13777d96c754a62989da34308bd2a05

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\INetC.dll

          Filesize

          238KB

          MD5

          38caa11a462b16538e0a3daeb2fc0eaf

          SHA1

          c22a190b83f4b6dc0d6a44b98eac1a89a78de55c

          SHA256

          ed04a4823f221e9197b8f3c3da1d6859ff5b176185bde2f1c923a442516c810a

          SHA512

          777135e05e908ac26bfce0a9c425b57f7132c1cdb0969bbb6ef625748c868860602bacc633c61cab36d0375b94b6bcfbd8bd8c7fa781495ef7332e362f8d44d1

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\SpiderBanner.dll

          Filesize

          9KB

          MD5

          17309e33b596ba3a5693b4d3e85cf8d7

          SHA1

          7d361836cf53df42021c7f2b148aec9458818c01

          SHA256

          996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

          SHA512

          1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\StdUtils.dll

          Filesize

          100KB

          MD5

          c6a6e03f77c313b267498515488c5740

          SHA1

          3d49fc2784b9450962ed6b82b46e9c3c957d7c15

          SHA256

          b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

          SHA512

          9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\System.dll

          Filesize

          12KB

          MD5

          0d7ad4f45dc6f5aa87f606d0331c6901

          SHA1

          48df0911f0484cbe2a8cdd5362140b63c41ee457

          SHA256

          3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

          SHA512

          c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\WinShell.dll

          Filesize

          3KB

          MD5

          1cc7c37b7e0c8cd8bf04b6cc283e1e56

          SHA1

          0b9519763be6625bd5abce175dcc59c96d100d4c

          SHA256

          9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

          SHA512

          7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\WinShell.dll

          Filesize

          3KB

          MD5

          1cc7c37b7e0c8cd8bf04b6cc283e1e56

          SHA1

          0b9519763be6625bd5abce175dcc59c96d100d4c

          SHA256

          9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

          SHA512

          7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\nsProcess.dll

          Filesize

          4KB

          MD5

          f0438a894f3a7e01a4aae8d1b5dd0289

          SHA1

          b058e3fcfb7b550041da16bf10d8837024c38bf6

          SHA256

          30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

          SHA512

          f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

        • \Users\Admin\AppData\Local\Temp\nsiF6D.tmp\nsis7z.dll

          Filesize

          424KB

          MD5

          80e44ce4895304c6a3a831310fbf8cd0

          SHA1

          36bd49ae21c460be5753a904b4501f1abca53508

          SHA256

          b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

          SHA512

          c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

        • memory/976-54-0x0000000075891000-0x0000000075893000-memory.dmp

          Filesize

          8KB