Analysis
-
max time kernel
117s -
max time network
119s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
-
submitted
24-12-2024 22:32
General
-
Target
Bootstrapper.exe
-
Size
800KB
-
MD5
02c70d9d6696950c198db93b7f6a835e
-
SHA1
30231a467a49cc37768eea0f55f4bea1cbfb48e2
-
SHA256
8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3
-
SHA512
431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb
-
SSDEEP
12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz
Malware Config
Signatures
-
Executes dropped EXE 5 IoCs
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
-
Drops file in Windows directory 4 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
-
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
-
Modifies registry class 63 IoCs
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
-
Suspicious behavior: GetForegroundWindowSpam 3 IoCs
-
Suspicious use of AdjustPrivilegeToken 48 IoCs
-
Suspicious use of SetWindowsHookEx 32 IoCs
-
Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
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
-
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
-
-
-
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
-
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
-
-
-
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
-
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
-
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
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
-
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
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc1⤵
-
C:\Windows\System32\oobe\UserOOBEBroker.exeC:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding1⤵
- Drops file in Windows directory
-
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exeC:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding1⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.131⤵
- Modifies registry class
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
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
-
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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
10KB
MD5d6d3499e5dfe058db4af5745e6885661
SHA1ef47b148302484d5ab98320962d62565f88fcc18
SHA2567ec1b67f891fb646b49853d91170fafc67ff2918befd877dcc8515212be560f6
SHA512ad1646c13f98e6915e51bfba9207b81f6d1d174a1437f9c1e1c935b7676451ff73a694323ff61fa72ec87b7824ce9380423533599e30d889b689e2e13887045f
-
Filesize
2.8MB
MD5be4da425d9b7593e358ffbfca29f9c70
SHA1dc98530aad9728d779866ae957a738c52b13a565
SHA256c5277ddb6e51181d2b8bad59acf5f2badf5613b1e73384a84b793f720aa76c0d
SHA51235790944f5855038f8357c0f6d11ea81b260632e590c26f9342e8beb1a8dfd2e3eb9efa11f8378f8542cad45e7675af3d29cf27424accf35aaa6aeb34487155b
-
Filesize
695KB
MD5195ffb7167db3219b217c4fd439eedd6
SHA11e76e6099570ede620b76ed47cf8d03a936d49f8
SHA256e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d
SHA51256eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac
-
Filesize
133KB
MD5c6f770cbb24248537558c1f06f7ff855
SHA1fdc2aaae292c32a58ea4d9974a31ece26628fdd7
SHA256d1e4a542fa75f6a6fb636b5de6f7616e2827a79556d3d9a4afc3ecb47f0beb2b
SHA512cac56c58bd01341ec3ff102fe04fdb66625baad1d3dd7127907cd8453d2c6e2226ad41033e16ba20413a509fc7c826e4fdc0c0d553175eb6f164c2fc0906614a
-
Filesize
5.2MB
MD5aead90ab96e2853f59be27c4ec1e4853
SHA143cdedde26488d3209e17efff9a51e1f944eb35f
SHA25646cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed
SHA512f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d
-
Filesize
40KB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
32KB
-
Filesize
224KB
-
Filesize
56KB
-
Filesize
1024KB
-
Filesize
40KB
-
Filesize
160KB
-
Filesize
32KB
-
Filesize
88KB
-
Filesize
2.9MB
-
Filesize
40KB
-
Filesize
72KB
-
Filesize
552KB
-
Filesize
128KB
-
Filesize
120KB
-
Filesize
712KB
-
Filesize
40KB
-
Filesize
10.8MB
-
Filesize
8KB
-
Filesize
136KB
-
Filesize
10.8MB
-
Filesize
824KB
-
Filesize
144KB
-
Filesize
5.2MB
-
Filesize
744KB
-
Filesize
712KB