Analysis Overview
SHA256
c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef
Threat Level: Likely malicious
The file c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe was found to be: Likely malicious.
Malicious Activity Summary
Sets DLL path for service in the registry
UPX packed file
Loads dropped DLL
ACProtect 1.3x - 1.4x DLL software
Writes to the Master Boot Record (MBR)
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 16:58
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 16:58
Reported
2024-06-14 16:58
Platform
win10-20240404-en
Max time kernel
11s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe
"C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe"
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x398
Network
Files
memory/4296-0-0x0000000001390000-0x0000000001474000-memory.dmp
memory/4296-59-0x0000000001390000-0x0000000001474000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 16:58
Reported
2024-06-14 16:58
Platform
win10v2004-20240508-en
Max time kernel
30s
Max time network
30s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WindowsClientServerRunTimeSubsystem\Parameters\ServiceDll = "%SystemRoot%\\csrss.dll" | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\csrss.exe | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
| File opened for modification | \??\c:\windows\csrss.dll | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
| File created | \??\c:\windows\csrss.dll | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Enumerates physical storage devices
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 |
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 |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.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 |
| 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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeSecurityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe
"C:\Users\Admin\AppData\Local\Temp\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.gusanito.com/esp/tarjetas/postales/buenos_deseos/excelente_dia/974
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=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff044a46f8,0x7fff044a4708,0x7fff044a4718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,22760339778769262,10092470923427826152,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /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=2124,22760339778769262,10092470923427826152,131072 --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=3200 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3212 /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\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4736 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4736 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4988 /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=2124,22760339778769262,10092470923427826152,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5064 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4188 /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=2124,22760339778769262,10092470923427826152,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4920 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4732 /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=2124,22760339778769262,10092470923427826152,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3832 /prefetch:1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.gusanito.com | udp |
| US | 8.8.8.8:53 | update.microsoft.com | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.4.4:53 | google.com | udp |
| US | 8.8.8.8:53 | www.gusanito.com | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | update.microsoft.com | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/916-0-0x00000000003B0000-0x0000000000494000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 439b5e04ca18c7fb02cf406e6eb24167 |
| SHA1 | e0c5bb6216903934726e3570b7d63295b9d28987 |
| SHA256 | 247d0658695a1eb44924a32363906e37e9864ba742fe35362a71f3a520ad2654 |
| SHA512 | d0241e397060eebd4535197de4f1ae925aa88ae413a3a9ded6e856b356c4324dfd45dddfef9a536f04e4a258e8fe5dc1586d92d1d56b649f75ded8eddeb1f3e2 |
\??\pipe\LOCAL\crashpad_1252_JNEAYIUFZXIUSZKO
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | a8e767fd33edd97d306efb6905f93252 |
| SHA1 | a6f80ace2b57599f64b0ae3c7381f34e9456f9d3 |
| SHA256 | c8077a9fc79e2691ef321d556c4ce9933ca0570f2bbaa32fa32999dfd5f908bb |
| SHA512 | 07b748582fe222795bce74919aa06e9a09025c14493edb6f3b1f112d9a97ac2225fe0904cac9adf2a62c98c42f7877076e409803014f0afd395f4cc8be207241 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 08c60a01e3ffebb2b2ba090dc7472634 |
| SHA1 | 9bd2d40cfabf62793cf71015073a1c300e2e26c0 |
| SHA256 | 44b84477ffdc45727a932751cc41707dee946a57aec88c701d1067f3944d0889 |
| SHA512 | a855b89baf30b00173a4f37e4efc17089fb986d310cf90e0ce36f3f6983e5fac11999f50b5bc0f1b876af0826f86a21c48160dc7901138317c811c587da42d0f |
memory/916-26-0x0000000010000000-0x00000000100B8000-memory.dmp
memory/916-29-0x0000000010000000-0x00000000100B8000-memory.dmp
memory/916-30-0x0000000010000000-0x00000000100B8000-memory.dmp
memory/916-31-0x0000000010000000-0x00000000100B8000-memory.dmp
C:\Windows\csrss.dll
| MD5 | 7dd38f8951c2fa66a1291c7d297e1947 |
| SHA1 | a3feb1be32160c5196bba30830c1543958ac0045 |
| SHA256 | c6e185606e9ed62db354b8b8a298f470c01dcce8c5a4f409bfc5b918b5fd1c09 |
| SHA512 | cf6575bbcf7c8442e98d3e05519c79eb58a1e268acd1b66ce1fd8e9e8192a3791ce02474e5a41c4848644806dbeccb40dba93e6ad57bb37a5fa78528df0536f6 |
memory/916-33-0x0000000010000000-0x00000000100B8000-memory.dmp
memory/916-36-0x00000000003B0000-0x0000000000494000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 6752a1d65b201c13b62ea44016eb221f |
| SHA1 | 58ecf154d01a62233ed7fb494ace3c3d4ffce08b |
| SHA256 | 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd |
| SHA512 | 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | c13949b2b04faf39ab84e6da95bb77f3 |
| SHA1 | 6fa95a5e24d34dd9db67851a05eb2a2f9d014410 |
| SHA256 | 44df514f1ebc918037b64beeb01419f1e31a30948e358c6737250cf341b3aeba |
| SHA512 | 515260663d6f382d60c904ed1f5e6448098b9ffb615095462b44a9b64463b7e55b22784a0e233bc4191cc0697c4574c17543b4fe380d09983cba6752ba07b121 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 9121ba8c776fc8f94c4e620a0a2d8177 |
| SHA1 | e631dc04590c8b8209704eea998c20654e2d612c |
| SHA256 | 3a338667deb1c64791d54715f7ec2176b5375dab8d86cf924538cd1f175e0f85 |
| SHA512 | 492b51c6c615315eee7ab071eb8424abc108a7978ad7153bf95388f1a243371e8047f1a464ee478ee540c9200feb729444e04feb5b7bff5ed57caff2909f772b |