Resubmissions
15/09/2024, 19:09
240915-xttvcsyfrk1015/09/2024, 19:00
240915-xnw3jaydpq1014/11/2022, 18:39
221114-xavybach5610Analysis
- max time kernel
151s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
14/11/2022, 18:39
General
- Target WindowsBootManager.exe
- Size 60.6MB
- Sample221114-xavybach56
- SHA256 3a3e3f8bb3ea348375c6afad7f6f28a90040c178ac29b378b60e6798cbf8c3ac
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\2HPWf7V2dTN3ckCF9QW3Kn20T9O\LICENSES.chromium.html
Ransom Note
- <!-- Generated by licenses.py; do not edit. --><!doctype html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <meta name="color-scheme" content="light dark"> <title>Credits</title> <link rel="stylesheet" href="chrome://resources/css/text_defaults.css"> <link rel="stylesheet" href="chrome://credits/credits.css"> </head> <body> <span class="page-title" style="float:left;">Credits</span> <a id="print-link" href="#" style="float:right;" hidden>Print</a> <div style="clear:both; overflow:auto;"><!-- Chromium <3s the following projects --> <div class="product"> <span class="title">2-dim General Purpose FFT (Fast Fourier/Cosine/Sine Transform) Package</span> <span class="homepage"><a href="http://www.kurims.kyoto-u.ac.jp/~ooura/fft.html">homepage</a></span> <input type="checkbox" hidden id="0"> <label class="show" for="0" tabindex="0"></label> <div class="licence"> <pre>Copyright(C) 1997,2001 Takuya OOURA (email: [email protected]). You may use, copy, modify this code for any purpose and without fee. You may distribute this ORIGINAL package. </pre> </div> </div> <div class="product"> <span class="title">Abseil</span> <span class="homepage"><a href="https://github.com/abseil/abseil-cpp">homepage</a></span> <input type="checkbox" hidden id="1"> <label class="show" for="1" tabindex="0"></label> <div class="licence"> <pre> Apache License Version 2.0, January 2004 https://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. 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Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution. 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The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License. 5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions. 6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file. 7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License. 8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages. 9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright [yyyy] [name of copyright owner] Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at https://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. </pre> </div> </div> <div class="product"> <span class="title">Accessibility Audit library, from Accessibility Developer Tools</span> <span class="homepage"><a href="https://raw.githubusercontent.com/GoogleChrome/accessibility-developer-tools/master/dist/js/axs_testing.js">homepage</a></span> <input type="checkbox" hidden id="2"> <label class="show" for="2" tabindex="0"></label> <div class="licence"> <pre> Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. "Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types. "Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below). "Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof. "Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, in
Emails
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
-
<[email protected]>
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<[email protected]>
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<[email protected]>
-
<[email protected]>
-
<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
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<[email protected]>
URLs
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https://www.apache.org/licenses/
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https://www.apache.org/licenses/LICENSE-2.0
-
http://www.apache.org/licenses/
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http://www.apache.org/licenses/LICENSE-2.0
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http://code.google.com/p/y2038
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http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/getentropy.2
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http://mozilla.org/MPL/2.0/
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http://www.torchmobile.com/
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https://cla.developers.google.com/clas
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http://www.openssl.org/)"
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https://github.com/mit-plv/fiat-crypto/blob/master/AUTHORS
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http://www.opensource.apple.com/apsl/
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https://github.com/typetools/jdk
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https://github.com/typetools/stubparser
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https://github.com/typetools/annotation-tools
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https://github.com/plume-lib/
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http://www.mozilla.org/MPL/
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http://source.android.com/
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http://source.android.com/compatibility
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http://www.apple.com/legal/guidelinesfor3rdparties.html
Signatures
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 8 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\WindowsBootManager.exe"C:\Users\Admin\AppData\Local\Temp\WindowsBootManager.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2HPWf7V2dTN3ckCF9QW3Kn20T9O\WindowsBootManager.exeC:\Users\Admin\AppData\Local\Temp\2HPWf7V2dTN3ckCF9QW3Kn20T9O\WindowsBootManager.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2HPWf7V2dTN3ckCF9QW3Kn20T9O\WindowsBootManager.exe"C:\Users\Admin\AppData\Local\Temp\2HPWf7V2dTN3ckCF9QW3Kn20T9O\WindowsBootManager.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\WindowsBootManager" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1228 --field-trial-handle=1256,i,2029857542095144012,12835848492193415419,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:23⤵
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
WindowsBootManager.exe
chrome_100_percent.pak
chrome_200_percent.pak
ffmpeg.dll
icudtl.dat
en-US.pak
resources.pak
app.asar
index.js
linux.js
macos.js
termux.js
windows.js
package.json
v8_context_snapshot.bin
056c597f-bbf6-46fd-b794-3401f1d699a3.tmp.node
WindowsBootManager.exe
WindowsBootManager.exe
ffmpeg.dll
d81c7d91-b851-443d-8e2e-2b563a5a1a01.tmp.node
StdUtils.dll
System.dll
nsis7z.dll
memory/1172-54-0x0000000075571000-0x0000000075573000-memory.dmp