Analysis Overview
SHA256
570388e1641bc609dff93db408507db3af7811d26c196165633d8119bd4f242e
Threat Level: Known bad
The file w.exe was found to be: Known bad.
Malicious Activity Summary
Dcrat family
DCRat payload
DcRat
DCRat payload
Disables Task Manager via registry modification
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-19 16:05
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 16:05
Reported
2024-06-19 16:07
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
DcRat
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Disables Task Manager via registry modification
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\w.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BridgeproviderPerf\ReviewbrokerDhcp.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\w.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BridgeproviderPerf\ReviewbrokerDhcp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\w.exe
"C:\Users\Admin\AppData\Local\Temp\w.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BridgeproviderPerf\QHNB7cVbdlZ2EQnUCEqJX.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\BridgeproviderPerf\eKklWVD4eB3sslhbTZXV0qcFz983q.bat" "
C:\BridgeproviderPerf\ReviewbrokerDhcp.exe
"C:\BridgeproviderPerf\ReviewbrokerDhcp.exe"
C:\Windows\SysWOW64\reg.exe
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
Network
| Country | Destination | Domain | Proto |
| US | 52.111.229.48:443 | tcp |
Files
C:\BridgeproviderPerf\QHNB7cVbdlZ2EQnUCEqJX.vbe
| MD5 | e1e82881b80a3e66478ec991fd037dd4 |
| SHA1 | 08d53d58cf05cf5ee78e8b36ac7897d708b91362 |
| SHA256 | dc8c6dde789add76be82e38b62669abec23872abc594aa408a74079d4d999254 |
| SHA512 | 5fe279e3548f7ff33d23b39475797e05623fc4bd1f11e57977f90c8026c1701e3eb23875cc567a88aefd481a40e17f499c0c4272cc4bbdb174344253782a232b |
C:\BridgeproviderPerf\eKklWVD4eB3sslhbTZXV0qcFz983q.bat
| MD5 | 01b75cd00cd6e08dc13d6d3b92dd250b |
| SHA1 | 95fb99ad4086bf290a41a814ce6dde9cf475b566 |
| SHA256 | 2d66aeeb99eb936be0702c9c75c0c34361da3a2512d7c2e1664401294a8fae3d |
| SHA512 | 5a88c42d91d2c07f315f3c724ebf95dc780a8caa04d5fe98c87e4d754dfd1954dca8026a2a50672fb3b94de635cdf9d1f77bce29e8d2345c5a60cbfdcf984af0 |
C:\BridgeproviderPerf\ReviewbrokerDhcp.exe
| MD5 | c2c3c2872c92ffcdf63afce17b873596 |
| SHA1 | a7cac03aeff28ddabb4206e7db15d0f190c1d364 |
| SHA256 | 5b91e782a73c258a9de9a0d288c4b3e4011ebc93de5122edda640a275057417d |
| SHA512 | 1beee5886d43bd25de85407e82fdd83262500338122b5942de90476cb34f1231f7a952822f9ae672226b580946cc1acd9f26cc9d22e013acaa7698e5a0bfda41 |
memory/1892-12-0x00007FFDE5E23000-0x00007FFDE5E25000-memory.dmp
memory/1892-13-0x0000000000730000-0x00000000009DE000-memory.dmp
memory/1892-14-0x0000000002A50000-0x0000000002A5E000-memory.dmp