Analysis Overview
SHA256
b8eb08a9bda3d2960f0be0e8794965c033d7804dc8a12049d3bde25bfa056e85
Threat Level: Known bad
The file build.exe was found to be: Known bad.
Malicious Activity Summary
Stealerium
Stealerium family
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of FindShellTrayWindow
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Enumerates system info in registry
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-09 12:04
Signatures
Stealerium family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-09 12:02
Reported
2024-06-09 12:12
Platform
win11-20240508-en
Max time kernel
201s
Max time network
195s
Command Line
Signatures
Stealerium
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
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 |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.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 = "133624085501903071" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\build.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 |
| 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
| 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 |
| 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 |
| 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 use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp6551.tmp.bat
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 4852
C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
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=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffbba49ab58,0x7ffbba49ab68,0x7ffbba49ab78
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=1608 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /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=2104 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /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=service --mojo-platform-channel-handle=2188 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3056 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3124 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3816 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:1
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 --mojo-platform-channel-handle=4352 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:8
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 --mojo-platform-channel-handle=4492 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /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.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4620 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:8
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 --mojo-platform-channel-handle=4716 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /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=4880 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /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=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3868 --field-trial-handle=1772,i,1028625613057925312,6197818015456848977,131072 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.138.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 232.138.159.162.in-addr.arpa | udp |
| FR | 172.217.20.196:443 | www.google.com | tcp |
| FR | 172.217.20.196:443 | www.google.com | udp |
| US | 8.8.8.8:53 | 131.178.250.142.in-addr.arpa | udp |
| FR | 142.250.178.142:443 | apis.google.com | tcp |
| FR | 172.217.20.174:443 | play.google.com | tcp |
| FR | 216.58.213.78:443 | clients2.google.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 52.111.227.14:443 | tcp |
Files
memory/4852-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp
memory/4852-1-0x0000000000B10000-0x0000000000CA4000-memory.dmp
memory/4852-2-0x0000000005730000-0x0000000005796000-memory.dmp
memory/4852-3-0x0000000074ED0000-0x0000000075681000-memory.dmp
memory/4852-6-0x0000000005C80000-0x0000000005D12000-memory.dmp
memory/4852-7-0x0000000005D10000-0x0000000005D36000-memory.dmp
memory/4852-8-0x0000000005D40000-0x0000000005D48000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp6551.tmp.bat
| MD5 | daaebfcef92fce0a8f97eab5e9e68e78 |
| SHA1 | 81a558f308067b3de26f811f0fdab79e6dca0103 |
| SHA256 | 586d73e81945d8884fb250fd46876bd68050bc1623109e02dfaa389960265914 |
| SHA512 | f0db775ea7cdef904baa57908b01da46785d24858c914b14668b7901d2ffa38bbb063f39525b7d8e48abd3c764c958deb62bf75d0b3d0a0c32784aee0b5b8da9 |
memory/4852-13-0x0000000074ED0000-0x0000000075681000-memory.dmp
\??\pipe\crashpad_4764_GGMDRUXDJYGQIJUD
| 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 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | c500946105ac2d3bf54c5790ddc6443d |
| SHA1 | ec298feb5ef0c33c9d32358690ec716245955e30 |
| SHA256 | fff91d456e1e441bc1932c946bb70321f12af78197a83368d744d76fde90733c |
| SHA512 | 28a0f665e8509987f7324f92387fafeaa1c1690ea64a28155d4bca0cb62bcb60669ab1e3428f488459e3474a5efe4bbf9878d1e890a2a5b3c790a23acdb73cfa |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | ca52113a3ece437a259ea8cd6a3427ac |
| SHA1 | bb8aba26351c4cef1c373d4241b03ed6a211d857 |
| SHA256 | 73f865a10e998144a2cfb314b81c88b803e07b43f4f348133f45751eb542633d |
| SHA512 | 6b89fc311eef4f47ad05793543b2e2a58b5c94dafd69405d417d4759e62ebf32e515ea24a039f24333d4f69c68a2722b3021e6f461c59d69bc512cb30d9e2e35 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
| MD5 | 8ad894f5f2e43943ecce3b3dde8cdeb7 |
| SHA1 | 5a2f2e8d5368cc5d67094e1dd5ea2d8848fbf369 |
| SHA256 | 8d09c14932f3ce6b6033e83cb5fd05c58e256f0c82be14f40b62eea3d3a98694 |
| SHA512 | d97fd0ed8e3eed16792fb15ee0f719174d07798f5eb42efeb892be0f97ab13f2fd8b9d36df9e33a5808eb550ff6a7838d6e3b67217af2de9c67ba3b0025ba856 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\dfd87a9b-222e-4116-a4c1-444faa422920.tmp
| MD5 | bae3117f2ab30b32e62f8951046e20ce |
| SHA1 | 9ed92d274531e3e03bf68b28f266b7d596fafafe |
| SHA256 | 7262c030e943173e2b81bb9f5cb013cac9aae7f9cb16b7aca7c39d34df58ed21 |
| SHA512 | d0cc79651395c7125fe6c41a89995b3e9039544df6ae0adb1a69fb33f7b8f36bb156363085b418909fc6f9654f867a356cbd08b21afc13eb744b8ba7e2fa6530 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
| MD5 | f4879da4fcb707ce809be412efccbe6c |
| SHA1 | f4327ce552c53b583a29ccb4a7678844a8f25995 |
| SHA256 | 37fc5d380525665364e3aa9af9aa5297a9c64affb81cd82def816e528537db10 |
| SHA512 | e860bf5f501115f700534a89f72375d4fe65925be6040be845696cdc6afd09063961b5874c0ae6fc336b6c3f17e4eaee19a1facf6da1a04100d007c2f4c7bcc8 |