Analysis
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max time kernel
94s -
max time network
98s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
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submitted
25-12-2024 07:20
General
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Target
Bootstrapper.exe
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Size
800KB
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MD5
02c70d9d6696950c198db93b7f6a835e
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SHA1
30231a467a49cc37768eea0f55f4bea1cbfb48e2
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SHA256
8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3
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SHA512
431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb
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SSDEEP
12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz
Malware Config
Signatures
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Executes dropped EXE 6 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
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Modifies registry class 59 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 49 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\Wbem\WMIC.exewmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Downloads\Solara\Solara.exe"C:\Users\Admin\Downloads\Solara\Solara.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
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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⤵
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C:\Users\Admin\Downloads\Solara\Solara.exe"C:\Users\Admin\Downloads\Solara\Solara.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\Downloads\Solara\Solara.exe"C:\Users\Admin\Downloads\Solara\Solara.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Downloads\Solara\Solara.exe"C:\Users\Admin\Downloads\Solara\Solara.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5d42466e26481da880f471cbe5079250c
SHA13420dcec1a5dd09a1c3dc825481edda208ad7024
SHA256dc2c7ca0bff451bb9b2b7cb7bc64194a500a3d8b053cf28e81d7e12cc63c10bb
SHA51200681580a4012321e469d44a040c452d08d0f227887c9f718a4650a06c46c8b16331c75b11af70ba1a3e84505366fb4a3ffb533c25e15a97080d38f4f960d9d9
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Filesize
2.8MB
MD5be4da425d9b7593e358ffbfca29f9c70
SHA1dc98530aad9728d779866ae957a738c52b13a565
SHA256c5277ddb6e51181d2b8bad59acf5f2badf5613b1e73384a84b793f720aa76c0d
SHA51235790944f5855038f8357c0f6d11ea81b260632e590c26f9342e8beb1a8dfd2e3eb9efa11f8378f8542cad45e7675af3d29cf27424accf35aaa6aeb34487155b
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Filesize
121B
MD593d948a15a1f6dfb02898e8d7cc9cc08
SHA1df76d8c6b143e88961ecd7771cf826315f6f39ef
SHA25662d64d11085d0513cb700d4c627e3271fd4bb87a4d7ac6504e56ea160e8cab5c
SHA512847eb5de0ea7fd559ad1259a9ca642c8ab17a38ec001ff0eb060271ccff3025d5be71c02c2fcf0545c9683a91ea501ecac1a3ef365cfd8e7d6576bc9ef995d2d
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Filesize
695KB
MD5195ffb7167db3219b217c4fd439eedd6
SHA11e76e6099570ede620b76ed47cf8d03a936d49f8
SHA256e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d
SHA51256eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac
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Filesize
133KB
MD5c6f770cbb24248537558c1f06f7ff855
SHA1fdc2aaae292c32a58ea4d9974a31ece26628fdd7
SHA256d1e4a542fa75f6a6fb636b5de6f7616e2827a79556d3d9a4afc3ecb47f0beb2b
SHA512cac56c58bd01341ec3ff102fe04fdb66625baad1d3dd7127907cd8453d2c6e2226ad41033e16ba20413a509fc7c826e4fdc0c0d553175eb6f164c2fc0906614a
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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
5B
MD537aa1f84af14327f56844e2a6e046b8e
SHA14ab41557ec631ee3866c62a76f31339f95da5c40
SHA256800febbfd5e51c2df3529c3dbd5ac3216cb3485be40ec10c9f9168382c4bfcd9
SHA512ef7237d3f954790262bd73f129fda3db2fa7c3b4f9eb827d46d38a033c3198ed1e4921374a9d66a523de7d13bc5754e462b69dab93d7e62827453b0d813ba7de
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Filesize
1.3MB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
136KB
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Filesize
10.8MB
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Filesize
824KB
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Filesize
712KB
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Filesize
744KB
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Filesize
5.2MB
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Filesize
144KB
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Filesize
224KB
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Filesize
40KB
-
Filesize
128KB
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Filesize
120KB
-
Filesize
712KB
-
Filesize
40KB
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Filesize
72KB
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Filesize
32KB
-
Filesize
40KB
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Filesize
552KB
-
Filesize
88KB
-
Filesize
32KB
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Filesize
160KB
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Filesize
40KB
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Filesize
1024KB
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Filesize
56KB
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Filesize
32KB
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Filesize
64KB
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Filesize
2.9MB