Analysis Overview
SHA256
9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745
Threat Level: Known bad
The file 9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745 was found to be: Known bad.
Malicious Activity Summary
DCRat payload
DcRat
Dcrat family
Process spawned unexpected child process
DCRat payload
Executes dropped EXE
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-31 22:56
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-31 22:56
Reported
2022-10-31 22:59
Platform
win10v2004-20220812-en
Max time kernel
128s
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 |
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:\providercommon\DllCommonsvc.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\providercommon\DllCommonsvc.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\providercommon\DllCommonsvc.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
| N/A | N/A | C:\odt\smss.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\odt\smss.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\providercommon\DllCommonsvc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\odt\smss.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe
"C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\providercommon\yTUdeXjbLOhnrN32dgrxVg.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\providercommon\1zu9dW.bat" "
C:\providercommon\DllCommonsvc.exe
"C:\providercommon\DllCommonsvc.exe"
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 "DllCommonsvcD" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\DllCommonsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "DllCommonsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\DllCommonsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "DllCommonsvcD" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\DllCommonsvc.exe'" /rl HIGHEST /f
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\providercommon\DllCommonsvc.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\odt\smss.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\DllCommonsvc.exe'
C:\odt\smss.exe
"C:\odt\smss.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.108.133:443 | raw.githubusercontent.com | tcp |
| NL | 45.82.176.111:80 | 45.82.176.111 | tcp |
| NL | 45.82.176.111:80 | 45.82.176.111 | tcp |
| NL | 45.82.176.111:80 | 45.82.176.111 | tcp |
Files
memory/1516-132-0x0000000000000000-mapping.dmp
C:\providercommon\yTUdeXjbLOhnrN32dgrxVg.vbe
| MD5 | 8088241160261560a02c84025d107592 |
| SHA1 | 083121f7027557570994c9fc211df61730455bb5 |
| SHA256 | 2072cc9a4a3b84d4c5178ab41c5588eea7d0103e3928e34d64f17bf97f3d1cc1 |
| SHA512 | 20d9369dd359315848ea30144383a0bb479d86059fdbc3b3256ac84f998193512feb3b1799ab663619920c99fe7e0ebba33ada31a3855094b956fcd351c90478 |
C:\providercommon\1zu9dW.bat
| MD5 | 6783c3ee07c7d151ceac57f1f9c8bed7 |
| SHA1 | 17468f98f95bf504cc1f83c49e49a78526b3ea03 |
| SHA256 | 8ab782f0f327a2021530e7230d3aee8abbecb7eed59482a3a46e78b9e3862322 |
| SHA512 | c6012d4bfac1ed14d0fd9f0eabd0e1c3d647b343db292a907b246271d52a4b7469c809db43910ddba2e8c5045f9cb3d24d0af62d363281e6cb8b39ee94a183e8 |
memory/2552-135-0x0000000000000000-mapping.dmp
memory/112-136-0x0000000000000000-mapping.dmp
C:\providercommon\DllCommonsvc.exe
| MD5 | bd31e94b4143c4ce49c17d3af46bcad0 |
| SHA1 | f8c51ff3ff909531d9469d4ba1bbabae101853ff |
| SHA256 | b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63 |
| SHA512 | f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394 |
C:\providercommon\DllCommonsvc.exe
| MD5 | bd31e94b4143c4ce49c17d3af46bcad0 |
| SHA1 | f8c51ff3ff909531d9469d4ba1bbabae101853ff |
| SHA256 | b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63 |
| SHA512 | f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394 |
memory/112-139-0x0000000000A00000-0x0000000000B10000-memory.dmp
memory/112-140-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/2800-141-0x0000000000000000-mapping.dmp
memory/3964-143-0x0000000000000000-mapping.dmp
memory/1880-142-0x0000000000000000-mapping.dmp
memory/2064-144-0x0000000000000000-mapping.dmp
memory/1880-145-0x000001ED45EF0000-0x000001ED45F12000-memory.dmp
C:\odt\smss.exe
| MD5 | bd31e94b4143c4ce49c17d3af46bcad0 |
| SHA1 | f8c51ff3ff909531d9469d4ba1bbabae101853ff |
| SHA256 | b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63 |
| SHA512 | f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394 |
C:\odt\smss.exe
| MD5 | bd31e94b4143c4ce49c17d3af46bcad0 |
| SHA1 | f8c51ff3ff909531d9469d4ba1bbabae101853ff |
| SHA256 | b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63 |
| SHA512 | f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394 |
memory/1880-148-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/112-149-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/3964-150-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/2800-151-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/2064-152-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 2e907f77659a6601fcc408274894da2e |
| SHA1 | 9f5b72abef1cd7145bf37547cdb1b9254b4efe9d |
| SHA256 | 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233 |
| SHA512 | 34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721 |
memory/1880-155-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/3964-156-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 3a6bad9528f8e23fb5c77fbd81fa28e8 |
| SHA1 | f127317c3bc6407f536c0f0600dcbcf1aabfba36 |
| SHA256 | 986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05 |
| SHA512 | 846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2 |
memory/2800-158-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp
memory/2064-159-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp