Analysis Overview
SHA256
3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff
Threat Level: Shows suspicious behavior
The file MEMZ.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Writes to the Master Boot Record (MBR)
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 13:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 13:03
Reported
2024-06-14 13:04
Platform
win7-20240611-en
Max time kernel
19s
Max time network
54s
Command Line
Signatures
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 |
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 use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.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: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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6949758,0x7fef6949768,0x7fef6949778
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=1148 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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=1508 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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=1608 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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=2092 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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=2284 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1292 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1448 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3480 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3432 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=2180 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3724 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3828 --field-trial-handle=1280,i,16139428769925441384,16425536339461056657,131072 /prefetch:1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.google.com | udp |
| N/A | 100.64.63.112:443 | www.google.com | udp |
| N/A | 100.64.63.112:443 | www.google.com | tcp |
| N/A | 100.64.63.112:443 | www.google.com | tcp |
| N/A | 100.64.63.112:443 | www.google.com | tcp |
| N/A | 100.64.63.112:443 | www.google.com | tcp |
| N/A | 100.72.243.167:80 | www.gstatic.com | tcp |
| N/A | 100.72.243.167:80 | www.gstatic.com | tcp |
| N/A | 100.72.243.167:80 | www.gstatic.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| N/A | 192.168.178.1:80 | 192.168.178.1 | tcp |
| N/A | 192.168.178.1:80 | 192.168.178.1 | tcp |
| N/A | 100.72.243.167:80 | www.gstatic.com | tcp |
Files
\??\pipe\crashpad_2388_KDQVZSIHGVJDWPMU
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
| MD5 | 18e723571b00fb1694a3bad6c78e4054 |
| SHA1 | afcc0ef32d46fe59e0483f9a3c891d3034d12f32 |
| SHA256 | 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa |
| SHA512 | 43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | 21cd087f479a36738fe949ceafab9153 |
| SHA1 | d7c6070d23c0acca92522b2b1ec41aac3d788e74 |
| SHA256 | 98e671fd7b63817376f5fd18437367457300b2013638657ada74e173c4116676 |
| SHA512 | 1ae91bc776b50b464d8e4426ce619a8489c2b32f02ea776322280fa30de4982fb86d9b5e61430db2b24121c8cc0558825c3c2861a36585cc6201336d4cf941bd |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | c6436422b2f65eea9806b7cde5b819b0 |
| SHA1 | a05a3b25b919a7a2d14a786e3ad51fa264232e82 |
| SHA256 | 9c6021968c89f3932e7473841647ae55156546796fd9c208526ad9a932a945e3 |
| SHA512 | 35ad26d23e7e39a1536ca4c5039ec05a1bb0232fdbf0dd6ea9cdad3399cb217504e3701ef4a906a74239a9ab313a66269b8b1aa9b2c2cebbeb87c923ff8d10b6 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\c0301ad0-55b4-48d6-9288-453bfe03310c.tmp
| MD5 | 5de7f2e4ca1632a3408475c0f9f37263 |
| SHA1 | 91f7f2086f5e0a890e05805210f5b292f1544655 |
| SHA256 | 3771365b15f3286b4eb38e43d5f1e2cb227218b7eb4b5e7ae1110d1ba66ce514 |
| SHA512 | 80762eeb6711567e28ec0fcec022e1bc7ef9ec9494cde9376765b800642d0609b2e5ee40003059fa384191042d7a839492a513eda4e448f2c06fc79e19e838b7 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 13:03
Reported
2024-06-14 13:04
Platform
win10v2004-20240226-en
Max time kernel
24s
Max time network
34s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\MEMZ.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\MEMZ.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /main
C:\Windows\SysWOW64\notepad.exe
"C:\Windows\System32\notepad.exe" \note.txt
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 194.125.93.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 207.92.122.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.112.75.100.in-addr.arpa | udp |