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Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
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submitted
23/07/2024, 16:30
General
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Target
SolaraBootstrapper.exe
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Size
13KB
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MD5
0cc81729f4bd4a6eac95cc442bc8df2a
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SHA1
5d5f367e720684dd64cfb5340d9911ec0782fdac
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SHA256
92960ae4a38d896418a14a1db5ba1547aa273443790e858d00dac4ce64550c2a
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SHA512
f6fc1fca47e4620e24652d8dc2aa88cdd7363172b31122c05d262349aeec88407a2b3fbbc4e4834c359960d4981fb9f674cfbfd9d5743dc917df72a3ebfb3c90
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SSDEEP
192:+ZnqvqiVx1BLO77IaqaLHmr/XKTxnTjw1hOPVXmNjA:0nCVxoIaqayzKtnw1h6VKj
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 5 IoCs
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Themida packer 10 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 4 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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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 41 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
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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
695KB
MD5195ffb7167db3219b217c4fd439eedd6
SHA11e76e6099570ede620b76ed47cf8d03a936d49f8
SHA256e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d
SHA51256eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac
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Filesize
99KB
MD57a2b8cfcd543f6e4ebca43162b67d610
SHA1c1c45a326249bf0ccd2be2fbd412f1a62fb67024
SHA2567d7ca28235fba5603a7f40514a552ac7efaa67a5d5792bb06273916aa8565c5f
SHA512e38304fb9c5af855c1134f542adf72cde159fab64385533eafa5bb6e374f19b5a29c0cb5516fc5da5c0b5ac47c2f6420792e0ac8ddff11e749832a7b7f3eb5c8
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Filesize
133KB
MD5a0bd0d1a66e7c7f1d97aedecdafb933f
SHA1dd109ac34beb8289030e4ec0a026297b793f64a3
SHA25679d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36
SHA5122a50ae5c7234a44b29f82ebc2e3cfed37bf69294eb00b2dc8905c61259975b2f3a059c67aeab862f002752454d195f7191d9b82b056f6ef22d6e1b0bb3673d50
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Filesize
5.2MB
MD5aead90ab96e2853f59be27c4ec1e4853
SHA143cdedde26488d3209e17efff9a51e1f944eb35f
SHA25646cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed
SHA512f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d
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Filesize
34B
MD50e2184f1c7464b6617329fb18f107b4f
SHA16f22f98471e33c9db10d6f6f1728e98852e25b8f
SHA256dbf5f44e1b84a298dbbcad3c31a617d2f6cfa08eb5d16e05a5c28726c574d4eb
SHA5128e745c0215d52e15702551f29efb882a5eba97b5f279ccc29293b1a9b1b8661bf71b548569f9a99fa35c35a15d1b6b288d3c381c1292418c36dc89e2fa0b3a37
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Filesize
4.1MB
MD54d326696ffd80a5bee016c8b397442c2
SHA1fe6f4d206a60928daab413db4c7be663c04c097c
SHA256db03b4536fbfdcb570945f5942546a19afe20a7826713bf12f34347ee618f2ca
SHA5125136cb9a0d00492db1ed77c978376ee39763e9ae5a00e8bd36ee200c2cae1314b036887a142f503b2d1a8fa32b76065aa200497f1d4efee2407aa00f7aa8e09a
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Filesize
90KB
MD5d84e7f79f4f0d7074802d2d6e6f3579e
SHA1494937256229ef022ff05855c3d410ac3e7df721
SHA256dcfc2b4fa3185df415855ec54395d9c36612f68100d046d8c69659da01f7d227
SHA512ed7b0ac098c8184b611b83158eaa86619001e74dba079d398b34ac694ce404ba133c2baf43051840132d6a3a089a375550072543b9fab2549d57320d13502260
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Filesize
522KB
MD5e31f5136d91bad0fcbce053aac798a30
SHA1ee785d2546aec4803bcae08cdebfd5d168c42337
SHA256ee94e2201870536522047e6d7fe7b903a63cd2e13e20c8fffc86d0e95361e671
SHA512a1543eb1d10d25efb44f9eaa0673c82bfac5173055d04c0f3be4792984635a7c774df57a8e289f840627754a4e595b855d299070d469e0f1e637c3f35274abe6
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Filesize
113KB
MD575365924730b0b2c1a6ee9028ef07685
SHA1a10687c37deb2ce5422140b541a64ac15534250f
SHA256945e7f5d09938b7769a4e68f4ef01406e5af9f40db952cba05ddb3431dd1911b
SHA512c1e31c18903e657203ae847c9af601b1eb38efa95cb5fa7c1b75f84a2cba9023d08f1315c9bb2d59b53256dfdb3bac89930252138475491b21749471adc129a1
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Filesize
5.2MB
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Filesize
10.9MB
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Filesize
10.8MB
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Filesize
712KB
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Filesize
10.8MB
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Filesize
136KB
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Filesize
10.8MB
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Filesize
56KB
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Filesize
10.8MB
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Filesize
104KB
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Filesize
504KB
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Filesize
10.9MB
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Filesize
8KB
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Filesize
10.9MB
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Filesize
10.9MB
-
Filesize
10.8MB
-
Filesize
10.9MB
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Filesize
744KB
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Filesize
10.9MB
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Filesize
10.9MB
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Filesize
10.8MB
-
Filesize
32KB
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Filesize
56KB
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Filesize
224KB
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Filesize
10.9MB
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Filesize
8KB
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Filesize
10.9MB
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Filesize
10.8MB
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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
7.7MB
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Filesize
4KB