General

  • Target

    lunar-client-v3_2_3.exe

  • Size

    1.0MB

  • Sample

    240420-jrs86acf3t

  • MD5

    0814a485d44ded97e275e8e80f6c17ca

  • SHA1

    69862f6fb82651f3a097fe7554440537ea0f1a90

  • SHA256

    560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea

  • SHA512

    bd9abe5bd35d21bb57be9e757a6e7293f9e71738045fff6b53788e36bd442d1b8af21ea38a528ea0910434cc32ac610fbaf4200a6faf615828f47d8b74987dbd

  • SSDEEP

    24576:s2Oawk0MDhozjDu173pG1szLSvJwnHNiTWQC:MkPDhEjK73pfqvCHH

Malware Config

Targets

    • Target

      lunar-client-v3_2_3.exe

    • Size

      1.0MB

    • MD5

      0814a485d44ded97e275e8e80f6c17ca

    • SHA1

      69862f6fb82651f3a097fe7554440537ea0f1a90

    • SHA256

      560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea

    • SHA512

      bd9abe5bd35d21bb57be9e757a6e7293f9e71738045fff6b53788e36bd442d1b8af21ea38a528ea0910434cc32ac610fbaf4200a6faf615828f47d8b74987dbd

    • SSDEEP

      24576:s2Oawk0MDhozjDu173pG1szLSvJwnHNiTWQC:MkPDhEjK73pfqvCHH

    Score
    4/10
    • Target

      $PLUGINSDIR/INetC.dll

    • Size

      238KB

    • MD5

      38caa11a462b16538e0a3daeb2fc0eaf

    • SHA1

      c22a190b83f4b6dc0d6a44b98eac1a89a78de55c

    • SHA256

      ed04a4823f221e9197b8f3c3da1d6859ff5b176185bde2f1c923a442516c810a

    • SHA512

      777135e05e908ac26bfce0a9c425b57f7132c1cdb0969bbb6ef625748c868860602bacc633c61cab36d0375b94b6bcfbd8bd8c7fa781495ef7332e362f8d44d1

    • SSDEEP

      3072:hD2ekNFXiQraqoDDfbrH6ZgxkzStPpwGxqeujXj5Bif/Pa0L:hD2vhaqoDfb6mxk2LqHXj3if/Pa

    Score
    3/10
    • Target

      $PLUGINSDIR/SpiderBanner.dll

    • Size

      9KB

    • MD5

      17309e33b596ba3a5693b4d3e85cf8d7

    • SHA1

      7d361836cf53df42021c7f2b148aec9458818c01

    • SHA256

      996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

    • SHA512

      1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

    • SSDEEP

      192:5lkE3uqRI1y7/xcfK4PRef6gQzJyY1rpKlVrw:5lkMBI1y7UKcef6XzJrpKY

    Score
    1/10
    • Target

      $PLUGINSDIR/StdUtils.dll

    • Size

      100KB

    • MD5

      c6a6e03f77c313b267498515488c5740

    • SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    • SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    • SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • SSDEEP

      3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

    Score
    3/10
    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Target

      $PLUGINSDIR/WinShell.dll

    • Size

      3KB

    • MD5

      1cc7c37b7e0c8cd8bf04b6cc283e1e56

    • SHA1

      0b9519763be6625bd5abce175dcc59c96d100d4c

    • SHA256

      9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    • SHA512

      7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

    Score
    3/10
    • Target

      $PLUGINSDIR/nsExec.dll

    • Size

      6KB

    • MD5

      ec0504e6b8a11d5aad43b296beeb84b2

    • SHA1

      91b5ce085130c8c7194d66b2439ec9e1c206497c

    • SHA256

      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

    • SHA512

      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

    • SSDEEP

      96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr

    Score
    3/10
    • Target

      $PLUGINSDIR/nsis7z.dll

    • Size

      424KB

    • MD5

      80e44ce4895304c6a3a831310fbf8cd0

    • SHA1

      36bd49ae21c460be5753a904b4501f1abca53508

    • SHA256

      b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

    • SHA512

      c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

    • SSDEEP

      6144:aUWQQ5O3fz0NG3ucDaEUTWfk+ZA0NrCL/k+uyoyBOX1okfW7w+Pfzqibckl:an5QEG39fPAkrE4yrBOXDfaNbck

    Score
    3/10
    • Target

      $R0/Uninstall Lunar Client.exe

    • Size

      404KB

    • MD5

      227c1f9fe7c7f6fb24a451a5ca84e722

    • SHA1

      9c34be548c0b2affd930d05c1b315a5cbe9bca45

    • SHA256

      bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

    • SHA512

      1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66

    • SSDEEP

      3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2

    Score
    5/10
    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Target

      $PLUGINSDIR/StdUtils.dll

    • Size

      100KB

    • MD5

      c6a6e03f77c313b267498515488c5740

    • SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    • SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    • SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • SSDEEP

      3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

    Score
    3/10
    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    Score
    3/10
    • Target

      $PLUGINSDIR/WinShell.dll

    • Size

      3KB

    • MD5

      1cc7c37b7e0c8cd8bf04b6cc283e1e56

    • SHA1

      0b9519763be6625bd5abce175dcc59c96d100d4c

    • SHA256

      9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    • SHA512

      7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

    Score
    3/10
    • Target

      $PLUGINSDIR/nsExec.dll

    • Size

      6KB

    • MD5

      ec0504e6b8a11d5aad43b296beeb84b2

    • SHA1

      91b5ce085130c8c7194d66b2439ec9e1c206497c

    • SHA256

      5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

    • SHA512

      3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

    • SSDEEP

      96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr

    Score
    3/10

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

6
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Discovery

System Information Discovery

9
T1082

Network Service Discovery

1
T1046

Query Registry

8
T1012

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Command and Control

Web Service

1
T1102

Tasks