Analysis Overview
SHA256
e6f5a22e02d955d98c78d0c327071b908e17b033be56a979f1350d24b399f0d7
Threat Level: Known bad
The file test.exe was found to be: Known bad.
Malicious Activity Summary
DCRat payload
Dcrat family
DcRat
Process spawned unexpected child process
DCRat payload
Reads user/profile data of web browsers
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Drops file in Windows directory
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Modifies registry class
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 08:27
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
2024-06-02 08:27
Reported
2024-06-02 08:30
Platform
win7-20240508-en
Max time kernel
140s
Max time network
142s
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 | |
| 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:\webPerf\bridgeBrokerdll.exe | N/A |
| N/A | N/A | C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.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 |
Reads user/profile data of web browsers
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Windows NT\audiodg.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Windows NT\42af1c969fbb7b | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\dwm.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\6cb0b6c459d5d3 | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Google\Temp\smss.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Google\Temp\69ddcba757bf72 | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\en-US\b75386f1303e64 | C:\webPerf\bridgeBrokerdll.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Migration\WTR\b75386f1303e64 | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Windows\ja-JP\bridgeBrokerdll.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Windows\ja-JP\c07022305ee943 | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Windows\Migration\WTR\taskhost.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\webPerf\bridgeBrokerdll.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\webPerf\5rLin3I.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\webPerf\d7F5DOi3xKe.bat" "
C:\webPerf\bridgeBrokerdll.exe
"C:\webPerf\bridgeBrokerdll.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Google\Temp\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Temp\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\Temp\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeBrokerdllb" /sc MINUTE /mo 14 /tr "'C:\Windows\ja-JP\bridgeBrokerdll.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeBrokerdll" /sc ONLOGON /tr "'C:\Windows\ja-JP\bridgeBrokerdll.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeBrokerdllb" /sc MINUTE /mo 6 /tr "'C:\Windows\ja-JP\bridgeBrokerdll.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows NT\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Windows\Migration\WTR\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Windows\Migration\WTR\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeBrokerdllb" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\bridgeBrokerdll.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeBrokerdll" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\bridgeBrokerdll.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeBrokerdllb" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\bridgeBrokerdll.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\webPerf\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\webPerf\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\webPerf\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\webPerf\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\webPerf\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\webPerf\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\7rM7cVVMQQ.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe
"C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\Idle.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0990550.xsph.ru | udp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
Files
C:\webPerf\5rLin3I.vbe
| MD5 | 0e2aadd984b718c4f288f94f542c1b44 |
| SHA1 | e9c8c6401a607ad381a8807d7bc608c0067fc648 |
| SHA256 | 57258478161967ccc2d23a604df94f05a05bb6556e703ffd13638aba179c0e96 |
| SHA512 | a3c172c0b7c49d8b65cbe2c4ba13a64a01fdb3289f0368f631c3db0eee904a952b42a5c01b53433432546c7e772b3e3e07231429abe695a788a2d53bcac5d0b3 |
C:\webPerf\d7F5DOi3xKe.bat
| MD5 | fee196a7842136f3575348c84982f5fd |
| SHA1 | 69a3b54b98ece770cea630a09afdd4b6344e8aeb |
| SHA256 | 8e1c3865bf42ea64999893d389632b236f0b660258eeba7268ee1ad8392c3b18 |
| SHA512 | 73f3f330c916a1e723a5fe40931b18c461ddb45d3497c23655b97185c63107f6176647a12d74d7ecb240593080bb98d12d4b181d21b32c61ef005031f86681da |
\webPerf\bridgeBrokerdll.exe
| MD5 | 00896907be62c906323fc1eb97f24558 |
| SHA1 | 9936310477ffd10b0f76b66d93e2e0b99d3fcecb |
| SHA256 | 9ae1999485774e4b008429ce2325f054276b758c7f6dccd559ecc800d135e55e |
| SHA512 | ee8b6e121c6154bea76eac1f7d93c3b951570c03099bc60de66e8da03dd86f6a563d6fa6f5d552fc9c62350683c72241f3445399e2ff0e88dda1ed68b60267b0 |
memory/2768-13-0x00000000008F0000-0x0000000000A22000-memory.dmp
memory/2768-14-0x0000000000540000-0x000000000055C000-memory.dmp
memory/2768-15-0x0000000000560000-0x0000000000576000-memory.dmp
memory/2768-16-0x0000000000580000-0x000000000058C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\7rM7cVVMQQ.bat
| MD5 | d6ba8acf6ed848065a576bcd6b064f33 |
| SHA1 | 0c858a0bee0b50c229e9c09a8896be4bc33520b7 |
| SHA256 | e8b0e8fa32de6d6086401360e6f7915d25848dce6b5e9fcb3775383b0c9c14d7 |
| SHA512 | 170a0314f53fd933bce8d8ebc55cc583ee572c682e07beeb61723daa7b07cd7f8b31381045dd5c0214abd25b81fb9c89de5576660953e0ac88dc860bff607849 |
memory/2084-54-0x0000000001370000-0x00000000014A2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 08:27
Reported
2024-06-02 08:30
Platform
win10v2004-20240508-en
Max time kernel
133s
Max time network
149s
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 |
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\webPerf\bridgeBrokerdll.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\webPerf\bridgeBrokerdll.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\DESIGNER\services.exe | C:\webPerf\bridgeBrokerdll.exe | N/A |
| File created | C:\Program Files\Common Files\DESIGNER\c5b4cb5e9653cc | C:\webPerf\bridgeBrokerdll.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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000_Classes\Local Settings | C:\webPerf\bridgeBrokerdll.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\webPerf\bridgeBrokerdll.exe | N/A |
| N/A | N/A | C:\webPerf\bridgeBrokerdll.exe | N/A |
| N/A | N/A | C:\webPerf\bridgeBrokerdll.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\webPerf\bridgeBrokerdll.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Videos\SppExtComObj.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\webPerf\5rLin3I.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\webPerf\d7F5DOi3xKe.bat" "
C:\webPerf\bridgeBrokerdll.exe
"C:\webPerf\bridgeBrokerdll.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\webPerf\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\webPerf\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\webPerf\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Videos\SppExtComObj.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Admin\Videos\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Videos\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Program Files\Common Files\DESIGNER\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files\Common Files\DESIGNER\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Program Files\Common Files\DESIGNER\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 14 /tr "'C:\webPerf\sysmon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\webPerf\sysmon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 6 /tr "'C:\webPerf\sysmon.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\7WJUieq5t9.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Users\Admin\Videos\SppExtComObj.exe
"C:\Users\Admin\Videos\SppExtComObj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a0990550.xsph.ru | udp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| US | 8.8.8.8:53 | 103.192.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| RU | 141.8.192.103:80 | a0990550.xsph.ru | tcp |
Files
C:\webPerf\5rLin3I.vbe
| MD5 | 0e2aadd984b718c4f288f94f542c1b44 |
| SHA1 | e9c8c6401a607ad381a8807d7bc608c0067fc648 |
| SHA256 | 57258478161967ccc2d23a604df94f05a05bb6556e703ffd13638aba179c0e96 |
| SHA512 | a3c172c0b7c49d8b65cbe2c4ba13a64a01fdb3289f0368f631c3db0eee904a952b42a5c01b53433432546c7e772b3e3e07231429abe695a788a2d53bcac5d0b3 |
C:\webPerf\d7F5DOi3xKe.bat
| MD5 | fee196a7842136f3575348c84982f5fd |
| SHA1 | 69a3b54b98ece770cea630a09afdd4b6344e8aeb |
| SHA256 | 8e1c3865bf42ea64999893d389632b236f0b660258eeba7268ee1ad8392c3b18 |
| SHA512 | 73f3f330c916a1e723a5fe40931b18c461ddb45d3497c23655b97185c63107f6176647a12d74d7ecb240593080bb98d12d4b181d21b32c61ef005031f86681da |
C:\webPerf\bridgeBrokerdll.exe
| MD5 | 00896907be62c906323fc1eb97f24558 |
| SHA1 | 9936310477ffd10b0f76b66d93e2e0b99d3fcecb |
| SHA256 | 9ae1999485774e4b008429ce2325f054276b758c7f6dccd559ecc800d135e55e |
| SHA512 | ee8b6e121c6154bea76eac1f7d93c3b951570c03099bc60de66e8da03dd86f6a563d6fa6f5d552fc9c62350683c72241f3445399e2ff0e88dda1ed68b60267b0 |
memory/4204-12-0x00007FFCCB103000-0x00007FFCCB105000-memory.dmp
memory/4204-13-0x00000000006A0000-0x00000000007D2000-memory.dmp
memory/4204-17-0x00000000010B0000-0x00000000010BC000-memory.dmp
memory/4204-16-0x0000000002A40000-0x0000000002A56000-memory.dmp
memory/4204-15-0x000000001BB30000-0x000000001BB80000-memory.dmp
memory/4204-14-0x0000000002A20000-0x0000000002A3C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\7WJUieq5t9.bat
| MD5 | 4b6cfaa92d700f3d3f871bc2b22ed8ed |
| SHA1 | 23a4902f92a4e23d951390884b1a6313fabe3c35 |
| SHA256 | e5887c8a050679269dd361ce97ed2ceb48ed35d444c691bf7ed2aba79bf69ab6 |
| SHA512 | a6d9bf568819a298649330fa3f3f86955cb21a0bdde60d784f6bcf05dbc243f12c86649ae73a1b9589337dc7045a0938474b425772ad20fd5545b5a2c011cca3 |