Analysis Overview
SHA256
3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75
Threat Level: Known bad
The file 3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.exe was found to be: Known bad.
Malicious Activity Summary
Dcrat family
DCRat payload
Process spawned unexpected child process
DcRat
DCRat payload
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 10:10
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
2024-05-31 10:10
Reported
2024-05-31 10:12
Platform
win7-20240215-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\101b941d020240 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\es-ES\explorer.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\es-ES\7a0fd90576e088 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\AppPatch\6203df4a6bafc7 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Windows\Installer\{90140000-0011-0000-0000-0000000FF1CE}\taskhost.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Windows\Installer\{90140000-0011-0000-0000-0000000FF1CE}\b75386f1303e64 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Windows\AppPatch\lsass.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File opened for modification | C:\Windows\AppPatch\lsass.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.exe
"C:\Users\Admin\AppData\Local\Temp\3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BlockagentServernetcommon\dWMX88gCACXoKvtETHr5LRHJRP.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\BlockagentServernetcommon\iMMFNCJn73wO9QJjxuedDCGIZ.bat" "
C:\BlockagentServernetcommon\chaindhcp.exe
"C:\BlockagentServernetcommon\chaindhcp.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Windows\AppPatch\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\AppPatch\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Windows\AppPatch\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 6 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\es-ES\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\es-ES\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Mail\es-ES\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\LocalLow\Mozilla\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Admin\AppData\LocalLow\Mozilla\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\AppData\LocalLow\Mozilla\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\BlockagentServernetcommon\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\BlockagentServernetcommon\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\BlockagentServernetcommon\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\BlockagentServernetcommon\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\BlockagentServernetcommon\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 8 /tr "'C:\BlockagentServernetcommon\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Windows\Installer\{90140000-0011-0000-0000-0000000FF1CE}\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\Installer\{90140000-0011-0000-0000-0000000FF1CE}\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Windows\Installer\{90140000-0011-0000-0000-0000000FF1CE}\taskhost.exe'" /rl HIGHEST /f
C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe
"C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\lsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0987339.xsph.ru | udp |
| RU | 141.8.192.103:80 | a0987339.xsph.ru | tcp |
Files
C:\BlockagentServernetcommon\dWMX88gCACXoKvtETHr5LRHJRP.vbe
| MD5 | d40a0d6875e6223f9e5c4c9613c975b4 |
| SHA1 | c605b32b588597dce9916053944eccef138d3b6e |
| SHA256 | 2304bdc77b852533e29614bd26e244c64fee9c2e9c5ea2a8c4e4579fd8ade547 |
| SHA512 | 2e2570f2d0af1fde57fd7ef1812981e75daed6a906f2a359e89713dabf2df204b4788c76adcdaca8bb9f3046a3ee9cf5731bc84105ce82af17953c7f7197ff78 |
C:\BlockagentServernetcommon\iMMFNCJn73wO9QJjxuedDCGIZ.bat
| MD5 | eb6b7f7bea1252f5f5bfcc2c9e0164e5 |
| SHA1 | ec7bfe67793b4b3f4842334e9476a5e9a2f95688 |
| SHA256 | 31f24dac6e2778c338307d6ccdf2e7e8b8626266bfef12af006b20b4a27c05af |
| SHA512 | 02807c217a7e93cdfd7cb60c0bf9110ef7585b0d1843599bc3c4537481ebfe942f3f41b9b71c4aa26b2f4ef5619338d81f0474a387c859942e5814d49f8f3939 |
\BlockagentServernetcommon\chaindhcp.exe
| MD5 | 64bce0f72bd60afa24806c4e8184ba5d |
| SHA1 | 633df6157e70b70a4606e3f9f63fdc9db17dba14 |
| SHA256 | ce9beff66fd8ae2b916b2490e5c8da04c4316f98de24304c56417ea0bfd28451 |
| SHA512 | efeb232f08d86465cf88d2050e3e52818b877621d29b9bb1eab8f44238ef02b7495bb11910ed1709b8058d104269e05d0e31557f4bbe1afc0ba0bf3baf8f5191 |
memory/2480-13-0x0000000000960000-0x0000000000A36000-memory.dmp
memory/2424-34-0x0000000000AF0000-0x0000000000BC6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 10:10
Reported
2024-05-31 10:12
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.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:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\Recovery\WindowsRE\sysmon.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\dotnet\swidtag\9e8d7a4ca61bd9 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\886983d96e3d3e | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\ea9f0e6c9e2dcd | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\conhost.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\legal\jdk\088424020bedd6 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\Windows NT\Accessories\smss.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\legal\jdk\conhost.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\dotnet\swidtag\RuntimeBroker.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\winlogon.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\cc11b995f2a76d | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\csrss.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\088424020bedd6 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft.NET\winlogon.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\Windows NT\Accessories\69ddcba757bf72 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\taskhostw.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\Temp\9e8d7a4ca61bd9 | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\LanguageOverlayCache\sihost.exe | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
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\3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| N/A | N/A | C:\Recovery\WindowsRE\sysmon.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BlockagentServernetcommon\chaindhcp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Recovery\WindowsRE\sysmon.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.exe
"C:\Users\Admin\AppData\Local\Temp\3ce1f92e5a13d2d381d630bd5a5b258f7838147f1f88d679a98a40030976aa75.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BlockagentServernetcommon\dWMX88gCACXoKvtETHr5LRHJRP.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\BlockagentServernetcommon\iMMFNCJn73wO9QJjxuedDCGIZ.bat" "
C:\BlockagentServernetcommon\chaindhcp.exe
"C:\BlockagentServernetcommon\chaindhcp.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft.NET\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft.NET\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows NT\Accessories\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows NT\Accessories\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Users\Public\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Public\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Users\Public\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\BlockagentServernetcommon\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\BlockagentServernetcommon\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\BlockagentServernetcommon\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Portable Devices\taskhostw.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Portable Devices\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 10 /tr "'C:\BlockagentServernetcommon\OfficeClickToRun.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\BlockagentServernetcommon\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\BlockagentServernetcommon\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Desktop\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Default\Desktop\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Desktop\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Mail\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Mail\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 12 /tr "'C:\Program Files\Java\jdk-1.8\legal\jdk\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files\Java\jdk-1.8\legal\jdk\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Java\jdk-1.8\legal\jdk\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files\dotnet\swidtag\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\dotnet\swidtag\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files\dotnet\swidtag\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Recovery\WindowsRE\sysmon.exe
"C:\Recovery\WindowsRE\sysmon.exe"
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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| NL | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 113.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a0987339.xsph.ru | udp |
| RU | 141.8.192.103:80 | a0987339.xsph.ru | tcp |
| US | 8.8.8.8:53 | 103.192.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 13.173.189.20.in-addr.arpa | udp |
Files
C:\BlockagentServernetcommon\dWMX88gCACXoKvtETHr5LRHJRP.vbe
| MD5 | d40a0d6875e6223f9e5c4c9613c975b4 |
| SHA1 | c605b32b588597dce9916053944eccef138d3b6e |
| SHA256 | 2304bdc77b852533e29614bd26e244c64fee9c2e9c5ea2a8c4e4579fd8ade547 |
| SHA512 | 2e2570f2d0af1fde57fd7ef1812981e75daed6a906f2a359e89713dabf2df204b4788c76adcdaca8bb9f3046a3ee9cf5731bc84105ce82af17953c7f7197ff78 |
C:\BlockagentServernetcommon\iMMFNCJn73wO9QJjxuedDCGIZ.bat
| MD5 | eb6b7f7bea1252f5f5bfcc2c9e0164e5 |
| SHA1 | ec7bfe67793b4b3f4842334e9476a5e9a2f95688 |
| SHA256 | 31f24dac6e2778c338307d6ccdf2e7e8b8626266bfef12af006b20b4a27c05af |
| SHA512 | 02807c217a7e93cdfd7cb60c0bf9110ef7585b0d1843599bc3c4537481ebfe942f3f41b9b71c4aa26b2f4ef5619338d81f0474a387c859942e5814d49f8f3939 |
C:\BlockagentServernetcommon\chaindhcp.exe
| MD5 | 64bce0f72bd60afa24806c4e8184ba5d |
| SHA1 | 633df6157e70b70a4606e3f9f63fdc9db17dba14 |
| SHA256 | ce9beff66fd8ae2b916b2490e5c8da04c4316f98de24304c56417ea0bfd28451 |
| SHA512 | efeb232f08d86465cf88d2050e3e52818b877621d29b9bb1eab8f44238ef02b7495bb11910ed1709b8058d104269e05d0e31557f4bbe1afc0ba0bf3baf8f5191 |
memory/3880-12-0x00007FFE96CF3000-0x00007FFE96CF5000-memory.dmp
memory/3880-13-0x0000000000FB0000-0x0000000001086000-memory.dmp