Analysis Overview
SHA256
8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710
Threat Level: Known bad
The file 8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe was found to be: Known bad.
Malicious Activity Summary
DCRat payload
DcRat
Dcrat family
Process spawned unexpected child process
UAC bypass
DCRat payload
Executes dropped EXE
Checks computer location settings
Checks whether UAC is enabled
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
System policy modification
Creates scheduled task(s)
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 04:18
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
2024-06-01 04:18
Reported
2024-06-01 04:21
Platform
win7-20240508-en
Max time kernel
121s
Max time network
123s
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 |
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
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 |
| 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:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SoftwareDistribution\ScanFile\6ccacd8608530f | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ScanFile\RCX3A77.tmp | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ScanFile\RCX3AE5.tmp | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ScanFile\Idle.exe | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| File created | C:\Windows\SoftwareDistribution\ScanFile\Idle.exe | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Program Files (x86)\Microsoft Office\lsm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe
"C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft Office\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Office\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft Office\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Windows\SoftwareDistribution\ScanFile\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\SoftwareDistribution\ScanFile\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Windows\SoftwareDistribution\ScanFile\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\MSOCache\All Users\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\winlogon.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\tBXRfF9SP5.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Program Files (x86)\Microsoft Office\lsm.exe
"C:\Program Files (x86)\Microsoft Office\lsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0982032.xsph.ru | udp |
| RU | 141.8.197.42:80 | a0982032.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a0982032.xsph.ru | tcp |
Files
memory/2476-0-0x000007FEF5F73000-0x000007FEF5F74000-memory.dmp
memory/2476-1-0x0000000000250000-0x00000000003DC000-memory.dmp
memory/2476-2-0x000007FEF5F70000-0x000007FEF695C000-memory.dmp
memory/2476-3-0x0000000000470000-0x000000000048C000-memory.dmp
memory/2476-4-0x0000000000240000-0x0000000000250000-memory.dmp
memory/2476-6-0x00000000003E0000-0x00000000003F0000-memory.dmp
memory/2476-5-0x0000000000520000-0x0000000000536000-memory.dmp
memory/2476-7-0x0000000000490000-0x000000000049A000-memory.dmp
memory/2476-8-0x00000000005C0000-0x00000000005C8000-memory.dmp
memory/2476-9-0x00000000005D0000-0x00000000005DC000-memory.dmp
memory/2476-10-0x0000000000860000-0x0000000000868000-memory.dmp
memory/2476-12-0x0000000000A90000-0x0000000000A9C000-memory.dmp
memory/2476-11-0x0000000000A80000-0x0000000000A88000-memory.dmp
memory/2476-13-0x0000000002250000-0x000000000225A000-memory.dmp
memory/2476-14-0x0000000002260000-0x000000000226C000-memory.dmp
C:\Program Files (x86)\Microsoft Office\lsm.exe
| MD5 | 0a32536cc1d5e2a35d7d289b4ff0e76b |
| SHA1 | 98736b0b5a6f3709f81365c9e6477819074c3170 |
| SHA256 | 8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710 |
| SHA512 | b2d5d91eb7ecfc6eb295c63ecba5c3ceb4b4a865fc9a9f90bd1e82bff4bc39905baf9ab2962580ee708761632e5499694f3f823aa2f139bce809398262eb3b73 |
C:\Windows\SoftwareDistribution\ScanFile\Idle.exe
| MD5 | 2060d49ecffcd032fd086452b48c6b21 |
| SHA1 | 3a5f4f1717cd86454a5ae58b79e8632f986bbdef |
| SHA256 | ca7eea9e5a40e91bc7b988068a66a971b6a61822d9bba2a35eeacfc042204c8a |
| SHA512 | 652463ed82e32ae2aa10c5e9a44cfdb21d1511f59d7be8f783fc9ebd95283b109cd58a4a8a926a5cbac410de964b7de9bae41c69b0b23f75d1225c43c2e5e8d9 |
C:\MSOCache\All Users\RCX3D09.tmp
| MD5 | bf164fec3cd078761a70462be31050fb |
| SHA1 | 48ebbb45426cbe2056e5f0bca1bd03e06ddfa5a2 |
| SHA256 | 1d547dd97ae48345cae40c0a76258b3efa12dd8e9ea689f3d022e482584aa173 |
| SHA512 | fc4dbc0aa8d172b2b6c706e778acf5e49a5fc4c1c1fa763bd01a6d4332f1731ae5a87bfb500027067c3bb1b7508326c81b0462c08667b2b7a68bdc1ec38e748b |
memory/2476-78-0x000007FEF5F70000-0x000007FEF695C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tBXRfF9SP5.bat
| MD5 | c1d6a457ddb31975558fcc6800009e01 |
| SHA1 | f5befa0a09cf93d291dc3f1fb507474697d07af8 |
| SHA256 | 5db43825b676e7531b89d8a674dd7ecb92a142d25ba9a3d0f881f44ad42c0ab0 |
| SHA512 | 29fc755c0f03c6fab862dcdede4bc8d4de4e564189fc0477578afb2962bff88eacd60a271d12251919b819296798ab05ed178ee28c3a9c58a1987b4938a998ce |
memory/1616-82-0x0000000000D10000-0x0000000000E9C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 04:18
Reported
2024-06-01 04:21
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
151s
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 |
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Default User\upfc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Default User\upfc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Default User\upfc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Default User\upfc.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Default User\upfc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Default User\upfc.exe | N/A |
Drops file in Program Files directory
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| N/A | N/A | C:\Users\Default User\upfc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Default User\upfc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1448 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | C:\Users\Default User\upfc.exe |
| PID 1448 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | C:\Users\Default User\upfc.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Default User\upfc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Default User\upfc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Default User\upfc.exe | N/A |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe
"C:\Users\Admin\AppData\Local\Temp\8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 5 /tr "'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\SppExtComObj.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Users\Public\dllhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Public\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Users\Public\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Admin\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 11 /tr "'C:\Users\Default\TextInputHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Users\Default\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 10 /tr "'C:\Users\Default\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\upfc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Users\Default User\upfc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\upfc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Uninstall Information\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Program Files\Uninstall Information\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Photo Viewer\de-DE\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\de-DE\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\de-DE\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
C:\Users\Default User\upfc.exe
"C:\Users\Default User\upfc.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a0982032.xsph.ru | udp |
| RU | 141.8.197.42:80 | a0982032.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a0982032.xsph.ru | tcp |
| US | 8.8.8.8:53 | 42.197.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.65.42.20.in-addr.arpa | udp |
Files
memory/1448-0-0x00007FFBF4693000-0x00007FFBF4695000-memory.dmp
memory/1448-1-0x0000000000ED0000-0x000000000105C000-memory.dmp
memory/1448-2-0x00007FFBF4690000-0x00007FFBF5151000-memory.dmp
memory/1448-3-0x000000001BC50000-0x000000001BC6C000-memory.dmp
memory/1448-7-0x000000001BCA0000-0x000000001BCB0000-memory.dmp
memory/1448-6-0x000000001BC80000-0x000000001BC96000-memory.dmp
memory/1448-5-0x000000001BC70000-0x000000001BC80000-memory.dmp
memory/1448-4-0x000000001BE10000-0x000000001BE60000-memory.dmp
memory/1448-8-0x000000001BCB0000-0x000000001BCBA000-memory.dmp
memory/1448-9-0x000000001BCC0000-0x000000001BCC8000-memory.dmp
memory/1448-10-0x000000001BCD0000-0x000000001BCDC000-memory.dmp
memory/1448-13-0x000000001BE60000-0x000000001BE6C000-memory.dmp
memory/1448-12-0x000000001BCF0000-0x000000001BCF8000-memory.dmp
memory/1448-11-0x000000001BCE0000-0x000000001BCE8000-memory.dmp
memory/1448-15-0x000000001BE80000-0x000000001BE8C000-memory.dmp
memory/1448-14-0x000000001BE70000-0x000000001BE7A000-memory.dmp
C:\Users\Default\TextInputHost.exe
| MD5 | 0a32536cc1d5e2a35d7d289b4ff0e76b |
| SHA1 | 98736b0b5a6f3709f81365c9e6477819074c3170 |
| SHA256 | 8d31ae46e123de0d23937d664298428e37b45a7a135a95d73f5887779ee48710 |
| SHA512 | b2d5d91eb7ecfc6eb295c63ecba5c3ceb4b4a865fc9a9f90bd1e82bff4bc39905baf9ab2962580ee708761632e5499694f3f823aa2f139bce809398262eb3b73 |
C:\Recovery\WindowsRE\RCX577B.tmp
| MD5 | bf164fec3cd078761a70462be31050fb |
| SHA1 | 48ebbb45426cbe2056e5f0bca1bd03e06ddfa5a2 |
| SHA256 | 1d547dd97ae48345cae40c0a76258b3efa12dd8e9ea689f3d022e482584aa173 |
| SHA512 | fc4dbc0aa8d172b2b6c706e778acf5e49a5fc4c1c1fa763bd01a6d4332f1731ae5a87bfb500027067c3bb1b7508326c81b0462c08667b2b7a68bdc1ec38e748b |
C:\Recovery\WindowsRE\fontdrvhost.exe
| MD5 | 5efbffe52adea51f20826dee8c91644d |
| SHA1 | 29f7c42e014a5cf7a5bf8d3cba18e783d5bb15be |
| SHA256 | 7b7ec69bc29e8c9df47ecc0120a24b95a555a70b60a58b6cc1279b332da9a033 |
| SHA512 | c777f5254f6e26b0fcbcc00c24905c898609762b16be5bec00e1c85137c5642fc5015f0f678aeb7402291ea8283f07ab4533c4fbc6ffdb1312c76298e8ffdd07 |
memory/1448-233-0x00007FFBF4690000-0x00007FFBF5151000-memory.dmp