Malware Analysis Report

2024-10-16 07:00

Sample ID 240609-k34dyahc28
Target SolaraBootstrapper.exe
SHA256 a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239
Tags
themida
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239

Threat Level: Shows suspicious behavior

The file SolaraBootstrapper.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

themida

Themida packer

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 09:08

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 09:08

Reported

2024-06-09 09:11

Platform

win10-20240404-en

Max time kernel

0s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"

Signatures

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe

"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

"C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.110.133:443 raw.githubusercontent.com tcp
US 8.8.8.8:53 udp
US 185.199.110.133:443 raw.githubusercontent.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp

Files

memory/380-0-0x00000000736CE000-0x00000000736CF000-memory.dmp

memory/380-1-0x00000000008E0000-0x00000000008EA000-memory.dmp

memory/380-2-0x0000000002CA0000-0x0000000002CAA000-memory.dmp

memory/380-3-0x00000000736C0000-0x0000000073DAE000-memory.dmp

memory/380-5-0x0000000005CC0000-0x0000000005CD2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\hasown\.nycrc

MD5 c2ab942102236f987048d0d84d73d960
SHA1 95462172699187ac02eaec6074024b26e6d71cff
SHA256 948366fea3b423a46366326d0bb2e54b08abd1cf0b243678ba6625740c40da5a
SHA512 e36b20c16ceeb090750f3865efc8d7fd983ae4e8b41c30cc3865d2fd4925bf5902627e1f1ed46c0ff2453f076ef9de34be899ef57754b29cd158440071318479

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\has-proto\.eslintrc

MD5 c28b0fe9be6e306cc2ad30fe00e3db10
SHA1 af79c81bd61c9a937fca18425dd84cdf8317c8b9
SHA256 0694050195fc694c5846b0a2a66b437ac775da988f0a779c55fb892597f7f641
SHA512 e3eca17804522ffa4f41e836e76e397a310a20e8261a38115b67e8b644444153039d04198fb470f45be2997d2c7a72b15bd4771a02c741b3cbc072ea6ef432e9

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\get-intrinsic\.nycrc

MD5 d0104f79f0b4f03bbcd3b287fa04cf8c
SHA1 54f9d7adf8943cb07f821435bb269eb4ba40ccc2
SHA256 997785c50b0773e5e18bf15550fbf57823c634fefe623cd37b3c83696402ad0a
SHA512 daf9b5445cfc02397f398adfa0258f2489b70699dfec6ca7e5b85afe5671fdcabe59edee332f718f5e5778feb1e301778dffe93bb28c1c0914f669659bad39c6

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\vary\LICENSE

MD5 13babc4f212ce635d68da544339c962b
SHA1 4881ad2ec8eb2470a7049421047c6d076f48f1de
SHA256 bd47ce7b88c7759630d1e2b9fcfa170a0f1fde522be09e13fb1581a79d090400
SHA512 40e30174433408e0e2ed46d24373b12def47f545d9183b7bce28d4ddd8c8bb528075c7f20e118f37661db9f1bba358999d81a14425eb3e0a4a20865dfcb53182

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

MD5 f8f4522d11178a26e97e2046f249dfa7
SHA1 8b591d9a37716e235260fb6b3f601e4ccbebf15d
SHA256 3c372a8919c28dc76414b2f30da423c3e1018b1a8444527949ce20cc3fc93ed0
SHA512 52ea881cad501cf1d5e8ac47355e862ac1bd39cb6e1ff3d362d392b6f2d676e74878832505d17a552aaa3bc8f3977da11fa3f9903722eedd23716fb46ddb7492

memory/380-1467-0x00000000736C0000-0x0000000073DAE000-memory.dmp

memory/2288-1466-0x00007FFD9A2E3000-0x00007FFD9A2E4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Wpf.Ui.dll

MD5 224e977e35e0c88e0edb6f34a2eb46b0
SHA1 6e668aab775f239c8724f8b7677ae1d4f35e461f
SHA256 79729b3ef9cae715665a98ac771680b354795b15b18b3f6d64684f717a07b240
SHA512 7b46a6fb67b4c74b63c679aa4b760505245ffcac21770c12a3a9f3952f52af58a9836a7387578e135e35bbbb6572f9cb646ee603922cf398cc4e4321f94da911

memory/2288-1469-0x00007FFD9A2E0000-0x00007FFD9ACCC000-memory.dmp

memory/2288-1470-0x000002147B320000-0x000002147B85C000-memory.dmp

memory/2288-1465-0x0000021460960000-0x000002146097A000-memory.dmp

memory/2288-1471-0x000002147B060000-0x000002147B118000-memory.dmp

memory/2288-1475-0x00000214624F0000-0x00000214624FE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Wpf.dll

MD5 34ec990ed346ec6a4f14841b12280c20
SHA1 6587164274a1ae7f47bdb9d71d066b83241576f0
SHA256 1e987b22cd011e4396a0805c73539586b67df172df75e3dded16a77d31850409
SHA512 b565015ca4b11b79ecbc8127f1fd40c986948050f1caefdd371d34ed2136af0aabf100863dc6fd16d67e3751d44ee13835ea9bf981ac0238165749c4987d1ae0

\Users\Admin\AppData\Local\Temp\Solara.Dir\WebView2Loader.dll

MD5 a0bd0d1a66e7c7f1d97aedecdafb933f
SHA1 dd109ac34beb8289030e4ec0a026297b793f64a3
SHA256 79d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36
SHA512 2a50ae5c7234a44b29f82ebc2e3cfed37bf69294eb00b2dc8905c61259975b2f3a059c67aeab862f002752454d195f7191d9b82b056f6ef22d6e1b0bb3673d50

memory/2288-1478-0x00007FFD9A2E0000-0x00007FFD9ACCC000-memory.dmp

memory/2288-1473-0x000002147B120000-0x000002147B19E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Core.dll

MD5 851fee9a41856b588847cf8272645f58
SHA1 ee185a1ff257c86eb19d30a191bf0695d5ac72a1
SHA256 5e7faee6b8230ca3b97ce9542b914db3abbbd1cb14fd95a39497aaad4c1094ca
SHA512 cf5c70984cf33e12cf57116da1f282a5bd6433c570831c185253d13463b0b9a0b9387d4d1bf4dddab3292a5d9ba96d66b6812e9d7ebc5eb35cb96eea2741348f

\Users\Admin\AppData\Local\Temp\Solara.Dir\zlib1.dll

MD5 75365924730b0b2c1a6ee9028ef07685
SHA1 a10687c37deb2ce5422140b541a64ac15534250f
SHA256 945e7f5d09938b7769a4e68f4ef01406e5af9f40db952cba05ddb3431dd1911b
SHA512 c1e31c18903e657203ae847c9af601b1eb38efa95cb5fa7c1b75f84a2cba9023d08f1315c9bb2d59b53256dfdb3bac89930252138475491b21749471adc129a1

\Users\Admin\AppData\Local\Temp\Solara.Dir\vcruntime140.dll

MD5 7a2b8cfcd543f6e4ebca43162b67d610
SHA1 c1c45a326249bf0ccd2be2fbd412f1a62fb67024
SHA256 7d7ca28235fba5603a7f40514a552ac7efaa67a5d5792bb06273916aa8565c5f
SHA512 e38304fb9c5af855c1134f542adf72cde159fab64385533eafa5bb6e374f19b5a29c0cb5516fc5da5c0b5ac47c2f6420792e0ac8ddff11e749832a7b7f3eb5c8

memory/2288-1487-0x0000000180000000-0x0000000180E54000-memory.dmp

\Users\Admin\AppData\Local\Temp\Solara.Dir\libcurl.dll

MD5 e31f5136d91bad0fcbce053aac798a30
SHA1 ee785d2546aec4803bcae08cdebfd5d168c42337
SHA256 ee94e2201870536522047e6d7fe7b903a63cd2e13e20c8fffc86d0e95361e671
SHA512 a1543eb1d10d25efb44f9eaa0673c82bfac5173055d04c0f3be4792984635a7c774df57a8e289f840627754a4e595b855d299070d469e0f1e637c3f35274abe6

\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll

MD5 e46a8e662f2cf73e93e38ec411e43dfe
SHA1 62373eda90708c141e5f29ee37d54e7109493db4
SHA256 e8b831a0c451d49ad83b8202cb18b5331d34f4220670e26e3d5ddab56a0e3b1c
SHA512 14c27865ac0a6fdb493cbb2e4a563bec4d96f492a3f3ec99e97bff6528025971713f1c7e1474453dd2d2375c5a1939f83abe8d50056a101ed5cff6ffec28f07d

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll

MD5 6c1042266dcaa16dde4b3446e935a345
SHA1 3227004fa8a26091feb849d1257e2547da5d170e
SHA256 7963e3b58883b832211e7c5c04641b3967ea56ba3024ccfa35e973d58915f9bf
SHA512 1ab4b63c642fe2c8c0c37f3d92efcb0730e35db445c6b67ecd219f95f526cde514ad44e8330ce2d32a03b549f2eea121d84a6a55ffec9f78fca9bf218e847b38

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\bin\path.txt

MD5 0e2184f1c7464b6617329fb18f107b4f
SHA1 6f22f98471e33c9db10d6f6f1728e98852e25b8f
SHA256 dbf5f44e1b84a298dbbcad3c31a617d2f6cfa08eb5d16e05a5c28726c574d4eb
SHA512 8e745c0215d52e15702551f29efb882a5eba97b5f279ccc29293b1a9b1b8661bf71b548569f9a99fa35c35a15d1b6b288d3c381c1292418c36dc89e2fa0b3a37

memory/2288-1492-0x000002147CF80000-0x000002147CF88000-memory.dmp

memory/2288-1493-0x000002147FF60000-0x000002147FF98000-memory.dmp

memory/2288-1490-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2288-1488-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2288-1489-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2288-1494-0x0000021400230000-0x000002140023E000-memory.dmp

memory/2288-1496-0x00007FFDAD850000-0x00007FFDAD874000-memory.dmp

memory/2288-1495-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2288-1497-0x00007FFD9A2E3000-0x00007FFD9A2E4000-memory.dmp

memory/2288-1498-0x00007FFD9A2E0000-0x00007FFD9ACCC000-memory.dmp

memory/2288-1499-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2288-1501-0x00007FFD9A2E0000-0x00007FFD9ACCC000-memory.dmp

memory/2288-1502-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/2288-1503-0x0000000180000000-0x0000000180E54000-memory.dmp