Analysis Overview
SHA256
6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc
Threat Level: Known bad
The file 6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc was found to be: Known bad.
Malicious Activity Summary
Sakula
Executes dropped EXE
Loads dropped DLL
Deletes itself
Adds Run key to start application
Drops file in Windows directory
Modifies registry key
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-22 13:18
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-22 13:18
Reported
2022-02-22 13:22
Platform
win7-en-20211208
Max time kernel
262s
Max time network
269s
Command Line
Signatures
Sakula
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe
"C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | vpn.premrera.com | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
Files
memory/1084-54-0x0000000075341000-0x0000000075343000-memory.dmp
memory/1084-55-0x0000000000401000-0x0000000000404000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 70dde17cb3e843bfc80701fb0c9f29c3 |
| SHA1 | 0b61c2e7b72dece5d70ed46d202921ffcfe2ea81 |
| SHA256 | 8f741ff9f605e8a049e85280729c961827d9ee2fe0777901b676333c20f878f5 |
| SHA512 | 8e42fbc6af85ecfdd8d38704b4121a6490211456c080382ec453801bcccedbcc7fec5df409d3c7abc1fcda230b8a7aa84f15af668a61ccf0bea6634450a200a1 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 70dde17cb3e843bfc80701fb0c9f29c3 |
| SHA1 | 0b61c2e7b72dece5d70ed46d202921ffcfe2ea81 |
| SHA256 | 8f741ff9f605e8a049e85280729c961827d9ee2fe0777901b676333c20f878f5 |
| SHA512 | 8e42fbc6af85ecfdd8d38704b4121a6490211456c080382ec453801bcccedbcc7fec5df409d3c7abc1fcda230b8a7aa84f15af668a61ccf0bea6634450a200a1 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 70dde17cb3e843bfc80701fb0c9f29c3 |
| SHA1 | 0b61c2e7b72dece5d70ed46d202921ffcfe2ea81 |
| SHA256 | 8f741ff9f605e8a049e85280729c961827d9ee2fe0777901b676333c20f878f5 |
| SHA512 | 8e42fbc6af85ecfdd8d38704b4121a6490211456c080382ec453801bcccedbcc7fec5df409d3c7abc1fcda230b8a7aa84f15af668a61ccf0bea6634450a200a1 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 70dde17cb3e843bfc80701fb0c9f29c3 |
| SHA1 | 0b61c2e7b72dece5d70ed46d202921ffcfe2ea81 |
| SHA256 | 8f741ff9f605e8a049e85280729c961827d9ee2fe0777901b676333c20f878f5 |
| SHA512 | 8e42fbc6af85ecfdd8d38704b4121a6490211456c080382ec453801bcccedbcc7fec5df409d3c7abc1fcda230b8a7aa84f15af668a61ccf0bea6634450a200a1 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-22 13:18
Reported
2022-02-22 13:23
Platform
win10-en-20211208
Max time kernel
281s
Max time network
301s
Command Line
Signatures
Sakula
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe
"C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe"
C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | vpn.premrera.com | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
Files
memory/2032-115-0x0000000000401000-0x0000000000404000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 8dfc468a34e6b97561d36dfdecfa5c11 |
| SHA1 | f8e7281c62dfa7d6ef5eae4198b300d0082a1360 |
| SHA256 | 323a9886e675abd2d85c55038d8228a6a4871c7a691fb334acae2b976817cad2 |
| SHA512 | 5c9fe0eeaaabfcc67e8d9078ef86a06dafc3600423cdd9d0f7fe6481c97b6ac695147d6500ea68631959d34ea01c4fad6539db195877e9075bcb0e5dff3bd4a3 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 8dfc468a34e6b97561d36dfdecfa5c11 |
| SHA1 | f8e7281c62dfa7d6ef5eae4198b300d0082a1360 |
| SHA256 | 323a9886e675abd2d85c55038d8228a6a4871c7a691fb334acae2b976817cad2 |
| SHA512 | 5c9fe0eeaaabfcc67e8d9078ef86a06dafc3600423cdd9d0f7fe6481c97b6ac695147d6500ea68631959d34ea01c4fad6539db195877e9075bcb0e5dff3bd4a3 |
Analysis: behavioral3
Detonation Overview
Submitted
2022-02-22 13:18
Reported
2022-02-22 13:22
Platform
win10v2004-en-20220113
Max time kernel
248s
Max time network
232s
Command Line
Signatures
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe
"C:\Users\Admin\AppData\Local\Temp\6feeea94219e2b7ffd3837d784201bf28ffd7bc83706401bf656550485d899cc.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.msn.com | udp |
| US | 131.253.33.203:443 | api.msn.com | tcp |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
Files
memory/4792-131-0x0000023C5C820000-0x0000023C5C830000-memory.dmp
memory/4792-130-0x0000023C5C190000-0x0000023C5C1A0000-memory.dmp
memory/4792-132-0x0000023C5EF10000-0x0000023C5EF14000-memory.dmp