Analysis Overview
SHA256
7e45b79940116f8a1de3a75f82e5209d0279d99479a24778e1590dd739b6ddf8
Threat Level: Known bad
The file dead.payload was found to be: Known bad.
Malicious Activity Summary
Umbral
Umbral family
Detect Umbral payload
Unsigned PE
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-11 16:33
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 16:33
Reported
2024-07-11 16:34
Platform
win10v2004-20240709-en
Max time kernel
30s
Max time network
28s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133651892687118312" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\dead.exe
"C:\Users\Admin\AppData\Local\Temp\dead.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ff9348dcc40,0x7ff9348dcc4c,0x7ff9348dcc58
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1824,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=1812 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2184,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2216 /prefetch:3
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2280,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2468 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3200,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3208 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3304,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3460 /prefetch:1
C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4612,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3700 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4896,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4912 /prefetch:8
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4944,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4912 /prefetch:8
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 |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.google.com | udp |
| GB | 142.250.180.4:443 | www.google.com | tcp |
| GB | 142.250.180.4:443 | www.google.com | udp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.213.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.180.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | clients2.google.com | udp |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 142.250.180.14:443 | clients2.google.com | udp |
| GB | 142.250.180.14:443 | clients2.google.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/116-0-0x000001EB38960000-0x000001EB389A6000-memory.dmp
memory/116-1-0x00007FF943470000-0x00007FF943665000-memory.dmp
memory/116-2-0x00007FF943470000-0x00007FF943665000-memory.dmp
memory/116-3-0x00007FF943470000-0x00007FF943665000-memory.dmp
\??\pipe\crashpad_3156_NEKGNBRZMUQJMCER
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
| MD5 | d751713988987e9331980363e24189ce |
| SHA1 | 97d170e1550eee4afc0af065b78cda302a97674c |
| SHA256 | 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945 |
| SHA512 | b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-11 16:33
Reported
2024-07-11 16:34
Platform
win7-20240704-en
Max time kernel
14s
Max time network
18s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\xpsrchvw.exe | N/A |
| N/A | N/A | C:\Windows\System32\xpsrchvw.exe | N/A |
| N/A | N/A | C:\Windows\System32\xpsrchvw.exe | N/A |
| N/A | N/A | C:\Windows\System32\xpsrchvw.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 824 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\dead.exe | C:\Windows\system32\WerFault.exe |
| PID 824 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\dead.exe | C:\Windows\system32\WerFault.exe |
| PID 824 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\dead.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dead.exe
"C:\Users\Admin\AppData\Local\Temp\dead.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 824 -s 548
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
C:\Windows\System32\xpsrchvw.exe
"C:\Windows\System32\xpsrchvw.exe" "C:\Users\Admin\Music\ConvertInvoke.easmx"
Network
Files
memory/824-0-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp
memory/824-1-0x00000000001B0000-0x00000000001F6000-memory.dmp
memory/3060-2-0x0000000002E40000-0x0000000002E41000-memory.dmp