Analysis
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max time kernel
146s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
21-05-2024 22:09
General
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Target
SolaraB/Solara/SolaraBootstrapper.exe
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Size
12KB
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MD5
74494703e5f44eeb9aa037f0f50bf682
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SHA1
fcfd8813e63cd61c5bfd2db605827fb9070fe8e9
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SHA256
3e4f692506d372bebc12d344c5f1543b67fa1dbe095c910aab78456510d7fe66
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SHA512
dbd2a8d928c797c70c4286d8ebabe202902445ed60e94eeccf33c7e3d794c7e362139187dcd1a57a4919503c1c791cfbe38f6f6eff454248382b3c4e023791fe
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SSDEEP
192:WrnDHbLupIapaLPr/XKnxxTc1l6VXtrNjA:WrnzHUIapazzKxm1cVdZj
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 6 IoCs
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Themida packer 9 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Solara.Dir\XcHvYYrNa.exe"C:\Users\Admin\AppData\Local\Temp\Solara.Dir\XcHvYYrNa.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
488KB
MD5851fee9a41856b588847cf8272645f58
SHA1ee185a1ff257c86eb19d30a191bf0695d5ac72a1
SHA2565e7faee6b8230ca3b97ce9542b914db3abbbd1cb14fd95a39497aaad4c1094ca
SHA512cf5c70984cf33e12cf57116da1f282a5bd6433c570831c185253d13463b0b9a0b9387d4d1bf4dddab3292a5d9ba96d66b6812e9d7ebc5eb35cb96eea2741348f
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Filesize
43KB
MD534ec990ed346ec6a4f14841b12280c20
SHA16587164274a1ae7f47bdb9d71d066b83241576f0
SHA2561e987b22cd011e4396a0805c73539586b67df172df75e3dded16a77d31850409
SHA512b565015ca4b11b79ecbc8127f1fd40c986948050f1caefdd371d34ed2136af0aabf100863dc6fd16d67e3751d44ee13835ea9bf981ac0238165749c4987d1ae0
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Filesize
139B
MD5d0104f79f0b4f03bbcd3b287fa04cf8c
SHA154f9d7adf8943cb07f821435bb269eb4ba40ccc2
SHA256997785c50b0773e5e18bf15550fbf57823c634fefe623cd37b3c83696402ad0a
SHA512daf9b5445cfc02397f398adfa0258f2489b70699dfec6ca7e5b85afe5671fdcabe59edee332f718f5e5778feb1e301778dffe93bb28c1c0914f669659bad39c6
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Filesize
43B
MD5c28b0fe9be6e306cc2ad30fe00e3db10
SHA1af79c81bd61c9a937fca18425dd84cdf8317c8b9
SHA2560694050195fc694c5846b0a2a66b437ac775da988f0a779c55fb892597f7f641
SHA512e3eca17804522ffa4f41e836e76e397a310a20e8261a38115b67e8b644444153039d04198fb470f45be2997d2c7a72b15bd4771a02c741b3cbc072ea6ef432e9
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Filesize
216B
MD5c2ab942102236f987048d0d84d73d960
SHA195462172699187ac02eaec6074024b26e6d71cff
SHA256948366fea3b423a46366326d0bb2e54b08abd1cf0b243678ba6625740c40da5a
SHA512e36b20c16ceeb090750f3865efc8d7fd983ae4e8b41c30cc3865d2fd4925bf5902627e1f1ed46c0ff2453f076ef9de34be899ef57754b29cd158440071318479
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Filesize
1KB
MD513babc4f212ce635d68da544339c962b
SHA14881ad2ec8eb2470a7049421047c6d076f48f1de
SHA256bd47ce7b88c7759630d1e2b9fcfa170a0f1fde522be09e13fb1581a79d090400
SHA51240e30174433408e0e2ed46d24373b12def47f545d9183b7bce28d4ddd8c8bb528075c7f20e118f37661db9f1bba358999d81a14425eb3e0a4a20865dfcb53182
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Filesize
5.2MB
MD5aead90ab96e2853f59be27c4ec1e4853
SHA143cdedde26488d3209e17efff9a51e1f944eb35f
SHA25646cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed
SHA512f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d
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Filesize
5.2MB
MD585b0dcb64053e35280477d88e1e05505
SHA170ebc4da4ac422bb47c1c49114d935d01848436b
SHA2560c11716983653fef7d0f403c31429d9730c3c182eecc2e518ab98b4de6dd6730
SHA5122f79e49f093fd0aaef79cbda75924ddec34a8172182a5cb7ddcde5227897f46e9e55dccf310779918afd1144f2af9a003d58939b5e631ecda147c81b95ad4d64
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Filesize
85KB
MD55e1bc1ad542dc2295d546d25142d9629
SHA1dd697d1faceee724b5b6ae746116e228fe202d98
SHA2569cc1a5b9fd49158f5cca4b28475a518cb60330e0cad98539d2a56d9930bdf9f9
SHA512dc9dbecec37e47dd756cd00517f1bfe5b27832bd43c77f365defc649922cb7967eb7e5de76d79478b6ebfd99a1cc2e7e6b5119a05a42fd51a1c091b6f00f2456
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Filesize
522KB
MD5e31f5136d91bad0fcbce053aac798a30
SHA1ee785d2546aec4803bcae08cdebfd5d168c42337
SHA256ee94e2201870536522047e6d7fe7b903a63cd2e13e20c8fffc86d0e95361e671
SHA512a1543eb1d10d25efb44f9eaa0673c82bfac5173055d04c0f3be4792984635a7c774df57a8e289f840627754a4e595b855d299070d469e0f1e637c3f35274abe6
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Filesize
133KB
MD5a0bd0d1a66e7c7f1d97aedecdafb933f
SHA1dd109ac34beb8289030e4ec0a026297b793f64a3
SHA25679d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36
SHA5122a50ae5c7234a44b29f82ebc2e3cfed37bf69294eb00b2dc8905c61259975b2f3a059c67aeab862f002752454d195f7191d9b82b056f6ef22d6e1b0bb3673d50
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Filesize
99KB
MD57a2b8cfcd543f6e4ebca43162b67d610
SHA1c1c45a326249bf0ccd2be2fbd412f1a62fb67024
SHA2567d7ca28235fba5603a7f40514a552ac7efaa67a5d5792bb06273916aa8565c5f
SHA512e38304fb9c5af855c1134f542adf72cde159fab64385533eafa5bb6e374f19b5a29c0cb5516fc5da5c0b5ac47c2f6420792e0ac8ddff11e749832a7b7f3eb5c8
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Filesize
113KB
MD575365924730b0b2c1a6ee9028ef07685
SHA1a10687c37deb2ce5422140b541a64ac15534250f
SHA256945e7f5d09938b7769a4e68f4ef01406e5af9f40db952cba05ddb3431dd1911b
SHA512c1e31c18903e657203ae847c9af601b1eb38efa95cb5fa7c1b75f84a2cba9023d08f1315c9bb2d59b53256dfdb3bac89930252138475491b21749471adc129a1
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Filesize
8KB
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Filesize
12.2MB
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Filesize
10.8MB
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Filesize
744KB
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Filesize
12.2MB
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Filesize
504KB
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Filesize
56KB
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Filesize
104KB
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Filesize
12.2MB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
12.2MB
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Filesize
56KB
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Filesize
5.2MB
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Filesize
144KB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
32KB
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Filesize
224KB
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Filesize
40KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
72KB
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Filesize
4KB
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Filesize
7.7MB