Analysis Overview
SHA256
2510be907ec476e8375ac7b5431536ae9a32bf99fe77ab695a5100852b111b96
Threat Level: Shows suspicious behavior
The file SolaraB.zip was found to be: Shows suspicious behavior.
Malicious Activity Summary
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-13 20:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 20:30
Reported
2024-06-13 20:34
Platform
win10v2004-20240508-en
Max time kernel
108s
Max time network
115s
Command Line
Signatures
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 |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe | N/A |
Suspicious behavior: LoadsDriver
| 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 |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\SolaraB\Solara\SolaraBootstrapper.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://temp/
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7fff8c4146f8,0x7fff8c414708,0x7fff8c414718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,4410710203371154405,1652461988294966469,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2140,4410710203371154405,1652461988294966469,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2296 /prefetch:3
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2140,4410710203371154405,1652461988294966469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,4410710203371154405,1652461988294966469,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3360 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,4410710203371154405,1652461988294966469,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3404 /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe
"C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
C:\Users\Admin\Desktop\Solara\SolaraBootstrapper.exe
SolaraBootstrapper.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 8.8.8.8:53 | github.com | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | github.com | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 8.8.8.8:53 | github.com | udp |
Files
memory/700-0-0x000000007476E000-0x000000007476F000-memory.dmp
memory/700-1-0x0000000000590000-0x000000000059A000-memory.dmp
memory/700-2-0x0000000002730000-0x000000000273A000-memory.dmp
memory/700-3-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/700-4-0x000000007476E000-0x000000007476F000-memory.dmp
memory/700-5-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/700-7-0x0000000074760000-0x0000000074F10000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | eaa3db555ab5bc0cb364826204aad3f0 |
| SHA1 | a4cdfaac8de49e6e6e88b335cfeaa7c9e3c563ca |
| SHA256 | ef7baeb1b2ab05ff3c5fbb76c2759db49294654548706c7c8e87f0cde855b86b |
| SHA512 | e13981da51b52c15261ecabb98af32f9b920651b46b10ce0cc823c5878b22eb1420258c80deef204070d1e0bdd3a64d875ac2522e3713a3cf11657aa55aeccd4 |
\??\pipe\LOCAL\crashpad_2920_QCVEWVHCRFHNYOHP
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 4b4f91fa1b362ba5341ecb2836438dea |
| SHA1 | 9561f5aabed742404d455da735259a2c6781fa07 |
| SHA256 | d824b742eace197ddc8b6ed5d918f390fde4b0fbf0e371b8e1f2ed40a3b6455c |
| SHA512 | fef22217dcdd8000bc193e25129699d4b8f7a103ca4fe1613baf73ccf67090d9fbae27eb93e4bb8747455853a0a4326f2d0c38df41c8d42351cdcd4132418dac |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 8e958e74900860af922a2c7df5fc692a |
| SHA1 | ea0728248e780ef92789b12c6c32ebe759591a52 |
| SHA256 | 9d6590714ad55bf7c712de2a5970d18b974fed0458aad114a02d9503762629dc |
| SHA512 | e54fa75a0cd8f4dbd60fb84a5f3888a8077d0bb4e5658e0acb5503cf62063b5260f65c3b9b4c1cb51df969a3bd6a5db3f317875af609f9134e923e0fedfbc5ba |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | ab2ae9da19d87331b9677eeb6973c09c |
| SHA1 | 6aced75ff3776d2d61c8372016f19dadc2e0d7a3 |
| SHA256 | 68a9112c568befc99ffc35035d977f21ba04785fc1a38054b202591c3d5ddaa5 |
| SHA512 | 0a6c2de76f0c82d3fe9619736c59150181e12014504e335626b50c13a865e451e1863ebbe69ec457530205de43996dde6d3fd184c96034e5c2584b954184159e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\GPUCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SolaraBootstrapper.exe.log
| MD5 | 12fc1bd5db0d992e86e079dbd132bfcd |
| SHA1 | cf0cb06b4b9491d195aaf17da29b6c892734a9d3 |
| SHA256 | 235aaf9594b2bbaf995e047f23fe97917a4a04cd33626804db6478aa6550303d |
| SHA512 | 9266c0470d05faaf64aa048e504811d5f21f5f1085665651361e63fb45da37c78ef00ed91c993d4e6b146cdd65f63e721e508c8c4a21d480723565b2aefa99f7 |
memory/5048-100-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/5048-101-0x0000000074760000-0x0000000074F10000-memory.dmp