Analysis Overview
Threat Level: Likely benign
The file https://aka.ms/krs?id=-crYd9Lj was found to be: Likely benign.
Malicious Activity Summary
Detected potential entity reuse from brand microsoft.
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-07 07:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 07:21
Reported
2024-06-07 07:24
Platform
win10-20240404-en
Max time kernel
150s
Max time network
144s
Command Line
Signatures
Detected potential entity reuse from brand microsoft.
Enumerates system info in registry
| Description | Indicator | Process | Target |
| 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133622185028616885" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry | 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 |
| 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:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://aka.ms/krs?id=-crYd9Lj
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:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffffe5a9758,0x7ffffe5a9768,0x7ffffe5a9778
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1572 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /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 --mojo-platform-channel-handle=1836 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:8
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=utility --mojo-platform-channel-handle=2064 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2908 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2952 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3724 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /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 --mojo-platform-channel-handle=4452 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4692 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.15063.0 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2384 --field-trial-handle=1684,i,7509578432844607891,12803866074555566219,131072 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aka.ms | udp |
| GB | 2.17.6.114:443 | aka.ms | tcp |
| US | 8.8.8.8:53 | krs.microsoft.com | udp |
| US | 13.107.246.64:443 | krs.microsoft.com | tcp |
| US | 8.8.8.8:53 | 64.246.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.6.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 8.8.8.8:53 | play-lh.googleusercontent.com | udp |
| BE | 23.55.97.181:443 | www.microsoft.com | tcp |
| GB | 142.250.178.22:443 | play-lh.googleusercontent.com | tcp |
| US | 8.8.8.8:53 | c.s-microsoft.com | udp |
| SE | 23.34.233.128:443 | c.s-microsoft.com | tcp |
| US | 8.8.8.8:53 | 181.97.55.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 128.233.34.23.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.173.79.40.in-addr.arpa | udp |
Files
\??\pipe\crashpad_956_JFESAFCOIVHKEAMA
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
| MD5 | 99914b932bd37a50b983c5e7c90ae93b |
| SHA1 | bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f |
| SHA256 | 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a |
| SHA512 | 27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | 81c23fa62e2a84030ff4a27dc18f54fd |
| SHA1 | 723333cdea27fc0f714636c3f80bb127f74d2724 |
| SHA256 | 6ce2509bf7791f709d40ac9fcb606a65ef5a211858bee4960a2716f2dabc6dec |
| SHA512 | 453c4d346e8a2795d208783e1f103fced1ff8c40616c439fbd77aca436bc514f36353b9ce0bfbdea1209bf513d01da329c4837fbbc48c00c8f971aa446bf5179 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 8fc5335efba287b831f1df27d0d3eb49 |
| SHA1 | 77168bc2eb5a1f5edac023f3b17de620bac7125a |
| SHA256 | ec298c1e06b4e21ccfc51949fdefb9e42f71f27b1719cfcafaaeb1218c3ec253 |
| SHA512 | 77a14720fa77f1b9413138a002c6e473ddda5a47359f002bb611cb6f90861f9a18496709db980656366233a6ccb35a32d5f6097ab0078fe68e9cf7258a187fc3 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
| MD5 | 4f354a96cba93944b488887d85019756 |
| SHA1 | efda50233ff0bdb607d0441d1e640beadc1903ee |
| SHA256 | 955906ce4d812fe9db718f3c824c2ff57fe15c96444f66ba1d48b1235e266ed3 |
| SHA512 | e6531696cbf70e460db87276f7144e75d381b8f950e12abff9b6fa47dd04ee6d0ac485b72f9e66906de842f29e41d824288fed11519d57d375548eeea60f9d7d |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 13d8f24960cd2a62357930cd618a90ce |
| SHA1 | 80d6f5d0b6f9c5d3bc52ed866707342184360fbe |
| SHA256 | cc353da81d8a880252bb77d110ef736eef2cc775000ade3796ca893babe9d24c |
| SHA512 | 9177e3fbd168963a0776dbb94ee44fa13144393c4fa8fbacda0210facf12b75974e1ee5bf3500653d10c58db74b2fbc3cdc6981041b134564fe6a4e7c136b118 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | cdf9532eacfcc36f0326f3ce507f56fa |
| SHA1 | 2eaf70164beb2b73a3b8a2163fee488a8f1fee47 |
| SHA256 | 337b94b76d998ef2c533542528f6a4e96cd53791e583225214bbf66025052f1f |
| SHA512 | d8242d09c1e1906ce3204df09df452ed952759c5f99e0b4c9c76c6d0d0cc21d05501ad026b0bc92ba2229978d458ea6f3a90959440f8e9e2077b1ff6238e4098 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\9c315b3b-7c9f-4f84-85ed-703d8898549c.tmp
| MD5 | f074a360790b1e1efd42456830e3383e |
| SHA1 | 3ae724f078f67f0a31ac0abaf28b795012e504b4 |
| SHA256 | 9d3fe99106a1b3bb53fcf5e907c86a66ddd294d16ed79a333848a2fafdecf505 |
| SHA512 | 3d7374c81fcaf4a2796d40ca6241c9a9c784cb7a429a25d5a246fb41a01e10adde3d5ce7cc27f16e4891272b85815f5d5afafc682b12082f25f1e895aaef7872 |