Analysis Overview
SHA256
a392dc6ad27dbc999aef5db8efaa63a65e570ca3bff7a79c5053ce7b7ba41a0e
Threat Level: Known bad
The file RedlineBuilder.exe was found to be: Known bad.
Malicious Activity Summary
RedLine payload
Redline family
RedLine
Unsigned PE
Program crash
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-20 13:36
Signatures
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Redline family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-20 13:36
Reported
2024-05-20 13:36
Platform
win10v2004-20240426-en
Max time kernel
4s
Max time network
4s
Command Line
Signatures
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\RedlineBuilder.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\RedlineBuilder.exe
"C:\Users\Admin\AppData\Local\Temp\RedlineBuilder.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2664 -ip 2664
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 872
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
Files
memory/2664-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp
memory/2664-1-0x0000000000CE0000-0x0000000000D34000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-20 13:36
Reported
2024-05-20 13:36
Platform
win11-20240419-en
Max time kernel
16s
Max time network
19s
Command Line
Signatures
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\RedlineBuilder.exe |
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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| 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 |
| 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 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 |
| 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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
| 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 |
| 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:\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:\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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\RedlineBuilder.exe
"C:\Users\Admin\AppData\Local\Temp\RedlineBuilder.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 892
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffa7e4e3cb8,0x7ffa7e4e3cc8,0x7ffa7e4e3cd8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1912,9786820790101289028,10641250323611041063,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /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=1912,9786820790101289028,10641250323611041063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2368 /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=1912,9786820790101289028,10641250323611041063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2580 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,9786820790101289028,10641250323611041063,131072 --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=3184 /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=1912,9786820790101289028,10641250323611041063,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --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=3200 /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
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=1912,9786820790101289028,10641250323611041063,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4408 /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=1912,9786820790101289028,10641250323611041063,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4468 /prefetch:1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | browser.pipe.aria.microsoft.com | udp |
| GB | 92.123.128.179:443 | tcp | |
| US | 20.189.173.26:443 | browser.pipe.aria.microsoft.com | tcp |
| NL | 23.62.61.194:443 | r.bing.com | tcp |
| NL | 23.62.61.194:443 | r.bing.com | tcp |
| NL | 23.62.61.194:443 | r.bing.com | tcp |
| NL | 23.62.61.194:443 | r.bing.com | tcp |
| NL | 23.62.61.194:443 | r.bing.com | tcp |
| NL | 23.62.61.194:443 | r.bing.com | tcp |
| US | 8.8.8.8:53 | 26.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
Files
memory/4468-0-0x00000000745DE000-0x00000000745DF000-memory.dmp
memory/4468-1-0x0000000000230000-0x0000000000284000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
| MD5 | 18951ad4190ed728ba23e932e0c6e0db |
| SHA1 | fa2d16fcbc3defd07cb8f21d8ea4793a21f261f0 |
| SHA256 | 66607b009c345a8e70fc1e58ab8a13bbea0e370c8d75f16d2cce5b876a748915 |
| SHA512 | a67237089efa8615747bdc6cfe0afc977dc54cfd624a8d2e5124a441c204f1ec58ee7cfbbc105ddc2c18d4f254b9e124d71630bcdba0253d41a96890104f2fff |
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
| MD5 | ee87a5df2cec41353233851e9956d539 |
| SHA1 | cdd287b4be58f5ee3464c31c9f073daad13f2eb7 |
| SHA256 | 2c25ce8141d1e6e601907a4d54f367ba7f6032c9596d24b30a245d94b719c880 |
| SHA512 | 3afe8451239bbfa4c7cd6ad4e123d8558aba43a570998ef76834dd12b8b0266a4c9dc7bf57dd9a903208a029f3a0ae54822f1ba1d29414615bdcea963b062379 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | d0f84c55517d34a91f12cccf1d3af583 |
| SHA1 | 52bd01e6ab1037d31106f8bf6e2552617c201cea |
| SHA256 | 9a24c67c3ec89f5cf8810eba1fdefc7775044c71ed78a8eb51c8d2225ad1bc4c |
| SHA512 | 94764fe7f6d8c182beec398fa8c3a1948d706ab63121b8c9f933eef50172c506a1fd015172b7b6bac898ecbfd33e00a4a0758b1c8f2f4534794c39f076cd6171 |
\??\pipe\LOCAL\crashpad_1540_MVZJZCZPHAAZYWUW
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | ade01a8cdbbf61f66497f88012a684d1 |
| SHA1 | 9ff2e8985d9a101a77c85b37c4ac9d4df2525a1f |
| SHA256 | f49e20af78caf0d737f6dbcfc5cc32701a35eb092b3f0ab24cf339604cb049b5 |
| SHA512 | fa024bd58e63402b06503679a396b8b4b1bc67dc041d473785957f56f7d972317ec8560827c8008989d2754b90e23fc984a85ed7496f05cb4edc2d8000ae622b |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | f8910666e378418e963429d0b095bbc7 |
| SHA1 | 0fc56c8bc69b500600ba9434bc5be4f2bd1c1c56 |
| SHA256 | 5573919ae9d5f87e52b599e485f636c20e3f4bb8f72fea2cbaa09e4d615e4ef2 |
| SHA512 | e6bac0f4f407ebc8f2a497b5115536af8cbd681fccd1178aa87070933c50f23efea8af5b9cb66b8027db1e3b985f918058ac61dc14a4d5e4cc73c3dddbe3c675 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | 25e2b9e98e6985fbb279ab84d40e6aeb |
| SHA1 | b4e9b677a19d5891cd753ff7666b1c79a6c47b83 |
| SHA256 | 89cc78f9b1aaaadcf30bb71099098f7e6474a61efb938853251b79759f27115c |
| SHA512 | 9bf75f4479a553bc90c38a6a0259212171bc0957b7c94ae2b649456486c60e1467b3801f3cc69741e2911180e4fdda5e8133e9751035688799a75a030e23d635 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 211ea47f71718a08f771ea451e188118 |
| SHA1 | 131f05940fc61be766fe104837ea6afc4714460e |
| SHA256 | 4753007c9d8b6cc4acc1a672a90e06f4bdbec674dccf69646060863bd1d80825 |
| SHA512 | 913d182bde31b6c5d75e25c369f1c1cf78deadfccee44d44b18e927d654bcf252ad45669fd95d24eb78c31f4d80e89ffbb4c1880f43f1b69a8e65930e8037eac |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\GPUCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |