Analysis Overview
SHA256
bdd9a3dac356f98dac4c3d663cde81550fd6c5ba5b8a65f9db902cf11ce4a9f8
Threat Level: Known bad
The file RakBot1.rar was found to be: Known bad.
Malicious Activity Summary
Dcrat family
DcRat
DCRat payload
Process spawned unexpected child process
DCRat payload
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 10:02
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
2024-06-03 10:02
Reported
2024-06-03 10:05
Platform
win7-20240215-en
Max time kernel
122s
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 |
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:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe | N/A |
| N/A | N/A | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| N/A | N/A | C:\Users\All Users\Start Menu\sppsvc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RakBot.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RakBot.exe | N/A |
| 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\Windows Sidebar\ja-JP\Idle.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\cc11b995f2a76d | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Windows Media Player\Visualizations\services.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Windows Media Player\Visualizations\c5b4cb5e9653cc | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\fr-FR\cc11b995f2a76d | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\69ddcba757bf72 | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Windows NT\Accessories\es-ES\cc11b995f2a76d | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\DESIGNER\ebf1f9fa8afd6d | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Windows NT\Accessories\es-ES\winlogon.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\DESIGNER\cmd.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\smss.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\fr-FR\winlogon.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Windows Sidebar\ja-JP\6ccacd8608530f | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\dwm.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File opened for modification | C:\Windows\Tasks\dwm.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\Tasks\6cb0b6c459d5d3 | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\All Users\Start Menu\sppsvc.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\RakBot.exe
"C:\Users\Admin\AppData\Local\Temp\RakBot.exe"
C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe
"C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\fontintosessionsvc\AtbmE4.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\fontintosessionsvc\aWM6CbC4aFWBvDgJSFPV9Iz.bat" "
C:\fontintosessionsvc\bridgeWebdll.exe
"C:\fontintosessionsvc\bridgeWebdll.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Windows\Tasks\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\Tasks\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Windows\Tasks\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows NT\Accessories\es-ES\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\es-ES\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows NT\Accessories\es-ES\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Common Files\DESIGNER\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\DESIGNER\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Common Files\DESIGNER\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Media Player\Visualizations\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\Visualizations\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Media Player\Visualizations\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeWebdllb" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\bridgeWebdll.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeWebdll" /sc ONLOGON /tr "'C:\MSOCache\All Users\bridgeWebdll.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "bridgeWebdllb" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\bridgeWebdll.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Sidebar\ja-JP\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\ja-JP\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Sidebar\ja-JP\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Default User\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Start Menu\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\All Users\Start Menu\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Start Menu\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\smss.exe'" /rl HIGHEST /f
C:\Users\All Users\Start Menu\sppsvc.exe
"C:\Users\All Users\Start Menu\sppsvc.exe"
Network
| Country | Destination | Domain | Proto |
| DE | 5.254.105.122:7777 | udp | |
| US | 8.8.8.8:53 | 400886cm.nyashnyash.top | udp |
| US | 104.21.3.45:80 | 400886cm.nyashnyash.top | tcp |
Files
\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
| MD5 | 8548cc870e74723070353d67d1df6cba |
| SHA1 | 1e51a150d92378cecb1c60ffb4715da8838d9fa4 |
| SHA256 | 37a20cc147c98eb43b4532c1cb76e7b3358fc4b815d930aaa8507dc6ac3095b6 |
| SHA512 | c236b7600429cebf88fecbb1815c7eac3b92891828d7c3646da10e93223490a31b6c7c50df70203ca5977d2cdb17d3135549b43ea866e05c25df62f1126c41c0 |
\Users\Admin\AppData\Local\Temp\RakLaunch.exe
| MD5 | 73809a6768903e090178f10eb46ff2c1 |
| SHA1 | 8449c27be4b36b4066996b50b9b3d6078a4f736c |
| SHA256 | 0ed4df7c5b8324315b6625586bb0e2cd09cdb7db2d2278910cd377fe7f371ee5 |
| SHA512 | dcdd5c6cf5e18bafcf1d8b478726777f6735d53ceb1356e90ad7016ed2462161a4cf1595db2d754dcfc20395564b8aa35029b4691067eccbc7c599d52aa4968e |
memory/1844-12-0x0000000000400000-0x00000000005FF000-memory.dmp
C:\fontintosessionsvc\AtbmE4.vbe
| MD5 | bfc4c3394520c5407a7a70e99743ca72 |
| SHA1 | e6e32f2b7807d33f03d6e35a4fc77f4dfbe85d17 |
| SHA256 | c37245170203c5ab6487bf1ec57aed0eba66da843a1ed5b87e3752b903381e6d |
| SHA512 | 2ca69c9e6056a44cb097c95c32c7a93bf2c007766bbf81bd46f9da861d831eddee2d977103bd61c7efabfb967b6f4eb833e5166a85f33acd07ee38afe322cca1 |
C:\fontintosessionsvc\aWM6CbC4aFWBvDgJSFPV9Iz.bat
| MD5 | 72fa4f55254901b819a5996d5eff7bcb |
| SHA1 | 950f1b3bf5a55a2d88fce41b03a3b5ab079d716d |
| SHA256 | 962a03b716b55d4758553f335d4028caaa453667d6181f899db95ab1fc9f71e0 |
| SHA512 | c4c090eb5f9584b88ce8a9052a8fe11c1bf9bce33bc7574347d0a161e551a374d7d41146a2b5e64242786e510fd73b3f6a194596d3ad6105b06c31965be32ce6 |
C:\fontintosessionsvc\bridgeWebdll.exe
| MD5 | d241d05d6cc53887772cc12e93759c50 |
| SHA1 | e13109e21acd264714539f7f3c9b7f0ff44d0211 |
| SHA256 | 8099f7f6bf26e317f40ad8af13118c7610fcddd838cc1ca7ffeb69e1634ae0b0 |
| SHA512 | eb3c382d99a723697dec52c6b24ea4f5b941c1bda390e01321ea2bd9805ae6db88ad51137b488f2bac1300e55e6043bc0b365d3ccf9c5acbaaec4658dcb23712 |
memory/2312-28-0x00000000000C0000-0x00000000001F2000-memory.dmp
memory/2312-29-0x0000000000480000-0x000000000049C000-memory.dmp
memory/2312-30-0x00000000004A0000-0x00000000004B6000-memory.dmp
memory/2312-31-0x00000000004D0000-0x00000000004DC000-memory.dmp
memory/2676-60-0x00000000010C0000-0x00000000011F2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 10:02
Reported
2024-06-03 10:05
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
159s
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 |
| 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\RakBot.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe | N/A |
| N/A | N/A | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Common Files\Services\0a1fd5f707cd16 | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files\Microsoft Office 15\ClientX64\886983d96e3d3e | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\Services\sppsvc.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\es-ES\csrss.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\es-ES\886983d96e3d3e | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\ServiceProfiles\SppExtComObj.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\ServiceProfiles\e1ef82546f0b02 | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\Fonts\msedge.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\Fonts\61a52ddc9dd915 | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\Speech_OneCore\Engines\SR\en-US-N\msedge.exe | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| File created | C:\Windows\Speech_OneCore\Engines\SR\en-US-N\61a52ddc9dd915 | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\fontintosessionsvc\bridgeWebdll.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\RakBot.exe
"C:\Users\Admin\AppData\Local\Temp\RakBot.exe"
C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe
"C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\fontintosessionsvc\AtbmE4.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\fontintosessionsvc\aWM6CbC4aFWBvDgJSFPV9Iz.bat" "
C:\fontintosessionsvc\bridgeWebdll.exe
"C:\fontintosessionsvc\bridgeWebdll.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 7 /tr "'C:\fontintosessionsvc\msedge.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\fontintosessionsvc\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 5 /tr "'C:\fontintosessionsvc\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Users\Public\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Public\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 14 /tr "'C:\Users\Public\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\odt\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\odt\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\odt\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Default User\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 11 /tr "'C:\Users\Public\msedge.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Users\Public\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 5 /tr "'C:\Users\Public\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Windows\es-ES\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\es-ES\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Windows\es-ES\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Windows\ServiceProfiles\SppExtComObj.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\ServiceProfiles\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Windows\ServiceProfiles\SppExtComObj.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Common Files\Services\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Services\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\Services\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\odt\SearchApp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\odt\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 7 /tr "'C:\odt\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 11 /tr "'C:\Windows\Fonts\msedge.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Windows\Fonts\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 14 /tr "'C:\Windows\Fonts\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 6 /tr "'C:\Windows\Speech_OneCore\Engines\SR\en-US-N\msedge.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Windows\Speech_OneCore\Engines\SR\en-US-N\msedge.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 8 /tr "'C:\Windows\Speech_OneCore\Engines\SR\en-US-N\msedge.exe'" /rl HIGHEST /f
C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe
"C:\Program Files\Microsoft Office 15\ClientX64\csrss.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4472 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| DE | 5.254.105.122:7777 | udp | |
| US | 8.8.8.8:53 | 122.105.254.5.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 400886cm.nyashnyash.top | udp |
| US | 172.67.130.59:80 | 400886cm.nyashnyash.top | tcp |
| US | 8.8.8.8:53 | 59.130.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 216.58.212.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 216.239.32.29:80 | pki.goog | tcp |
| US | 8.8.8.8:53 | 234.212.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.32.239.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe
| MD5 | 8548cc870e74723070353d67d1df6cba |
| SHA1 | 1e51a150d92378cecb1c60ffb4715da8838d9fa4 |
| SHA256 | 37a20cc147c98eb43b4532c1cb76e7b3358fc4b815d930aaa8507dc6ac3095b6 |
| SHA512 | c236b7600429cebf88fecbb1815c7eac3b92891828d7c3646da10e93223490a31b6c7c50df70203ca5977d2cdb17d3135549b43ea866e05c25df62f1126c41c0 |
C:\Users\Admin\AppData\Local\Temp\RakLaunch.exe
| MD5 | 73809a6768903e090178f10eb46ff2c1 |
| SHA1 | 8449c27be4b36b4066996b50b9b3d6078a4f736c |
| SHA256 | 0ed4df7c5b8324315b6625586bb0e2cd09cdb7db2d2278910cd377fe7f371ee5 |
| SHA512 | dcdd5c6cf5e18bafcf1d8b478726777f6735d53ceb1356e90ad7016ed2462161a4cf1595db2d754dcfc20395564b8aa35029b4691067eccbc7c599d52aa4968e |
memory/4076-15-0x0000000000400000-0x00000000005FF000-memory.dmp
C:\fontintosessionsvc\AtbmE4.vbe
| MD5 | bfc4c3394520c5407a7a70e99743ca72 |
| SHA1 | e6e32f2b7807d33f03d6e35a4fc77f4dfbe85d17 |
| SHA256 | c37245170203c5ab6487bf1ec57aed0eba66da843a1ed5b87e3752b903381e6d |
| SHA512 | 2ca69c9e6056a44cb097c95c32c7a93bf2c007766bbf81bd46f9da861d831eddee2d977103bd61c7efabfb967b6f4eb833e5166a85f33acd07ee38afe322cca1 |
C:\fontintosessionsvc\aWM6CbC4aFWBvDgJSFPV9Iz.bat
| MD5 | 72fa4f55254901b819a5996d5eff7bcb |
| SHA1 | 950f1b3bf5a55a2d88fce41b03a3b5ab079d716d |
| SHA256 | 962a03b716b55d4758553f335d4028caaa453667d6181f899db95ab1fc9f71e0 |
| SHA512 | c4c090eb5f9584b88ce8a9052a8fe11c1bf9bce33bc7574347d0a161e551a374d7d41146a2b5e64242786e510fd73b3f6a194596d3ad6105b06c31965be32ce6 |
C:\fontintosessionsvc\bridgeWebdll.exe
| MD5 | d241d05d6cc53887772cc12e93759c50 |
| SHA1 | e13109e21acd264714539f7f3c9b7f0ff44d0211 |
| SHA256 | 8099f7f6bf26e317f40ad8af13118c7610fcddd838cc1ca7ffeb69e1634ae0b0 |
| SHA512 | eb3c382d99a723697dec52c6b24ea4f5b941c1bda390e01321ea2bd9805ae6db88ad51137b488f2bac1300e55e6043bc0b365d3ccf9c5acbaaec4658dcb23712 |
memory/2376-29-0x0000000000CC0000-0x0000000000DF2000-memory.dmp
memory/2376-30-0x000000001B910000-0x000000001B92C000-memory.dmp
memory/2376-31-0x000000001C100000-0x000000001C150000-memory.dmp
memory/2376-32-0x000000001B930000-0x000000001B946000-memory.dmp
memory/2376-33-0x0000000002FE0000-0x0000000002FEC000-memory.dmp