Analysis Overview
SHA256
2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d
Threat Level: Known bad
The file 2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d was found to be: Known bad.
Malicious Activity Summary
Sakula
Executes dropped EXE
Deletes itself
Loads dropped DLL
Adds Run key to start application
Modifies registry key
Runs ping.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-26 06:46
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-26 06:46
Reported
2022-03-27 02:10
Platform
win10v2004-en-20220113
Max time kernel
148s
Max time network
157s
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\2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d.exe
"C:\Users\Admin\AppData\Local\Temp\2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d.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\2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
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:\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 |
| 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 | 97.97.242.52.in-addr.arpa | 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 |
Files
memory/3772-130-0x0000000000000000-mapping.dmp
memory/4180-132-0x0000000000000000-mapping.dmp
memory/3744-131-0x0000000000000000-mapping.dmp
memory/4424-133-0x0000000000400000-0x000000000040B000-memory.dmp
memory/800-135-0x0000000000000000-mapping.dmp
memory/3424-134-0x0000000000000000-mapping.dmp
memory/676-136-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 586a8ab77ce47ffc3446f82dc066b730 |
| SHA1 | ec4034b0fe19255b8bee2f6b481b17c5c0f1c4b6 |
| SHA256 | c34277f9968ba2d7aa0829f83a53fd3f4bfdd2a0269f5e2bc0f2dd52bbaf6a5c |
| SHA512 | 016d8053d817e1f35ca41e11733288b6e7101e20f7d6168076a615bdce04d566702b8c36bffbe689c8b63df404a84456881070fe53036933a9b9184532ec0a90 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 586a8ab77ce47ffc3446f82dc066b730 |
| SHA1 | ec4034b0fe19255b8bee2f6b481b17c5c0f1c4b6 |
| SHA256 | c34277f9968ba2d7aa0829f83a53fd3f4bfdd2a0269f5e2bc0f2dd52bbaf6a5c |
| SHA512 | 016d8053d817e1f35ca41e11733288b6e7101e20f7d6168076a615bdce04d566702b8c36bffbe689c8b63df404a84456881070fe53036933a9b9184532ec0a90 |
memory/676-139-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-26 06:46
Reported
2022-03-27 02:10
Platform
win7-20220311-en
Max time kernel
4294205s
Max time network
150s
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\2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d.exe
"C:\Users\Admin\AppData\Local\Temp\2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d.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\2f75127174f624462df8fbae0de572c2eb6c04b4562ea16ba05dff714ca48a8d.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 |
Files
memory/2016-54-0x0000000075801000-0x0000000075803000-memory.dmp
memory/2004-55-0x0000000000000000-mapping.dmp
memory/2016-57-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1676-56-0x0000000000000000-mapping.dmp
memory/872-58-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 672093b6998bc4669d2c6b020f6d4208 |
| SHA1 | 76f9ae76d5e94a5adaa862d8bb62f115862262dd |
| SHA256 | e8c6db684509c0e38041483425f73203b402520f67a8ecdec35edd619a5f0eb1 |
| SHA512 | fc465079811636bd3f97b0c881c221e0aa42ea898db77d7d2eb5292b34ca292e408b050b6640fae0365d8e1c285b0fc193676a0fae45fc2ade2bdab7522b7af0 |
memory/1264-64-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 672093b6998bc4669d2c6b020f6d4208 |
| SHA1 | 76f9ae76d5e94a5adaa862d8bb62f115862262dd |
| SHA256 | e8c6db684509c0e38041483425f73203b402520f67a8ecdec35edd619a5f0eb1 |
| SHA512 | fc465079811636bd3f97b0c881c221e0aa42ea898db77d7d2eb5292b34ca292e408b050b6640fae0365d8e1c285b0fc193676a0fae45fc2ade2bdab7522b7af0 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 672093b6998bc4669d2c6b020f6d4208 |
| SHA1 | 76f9ae76d5e94a5adaa862d8bb62f115862262dd |
| SHA256 | e8c6db684509c0e38041483425f73203b402520f67a8ecdec35edd619a5f0eb1 |
| SHA512 | fc465079811636bd3f97b0c881c221e0aa42ea898db77d7d2eb5292b34ca292e408b050b6640fae0365d8e1c285b0fc193676a0fae45fc2ade2bdab7522b7af0 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 672093b6998bc4669d2c6b020f6d4208 |
| SHA1 | 76f9ae76d5e94a5adaa862d8bb62f115862262dd |
| SHA256 | e8c6db684509c0e38041483425f73203b402520f67a8ecdec35edd619a5f0eb1 |
| SHA512 | fc465079811636bd3f97b0c881c221e0aa42ea898db77d7d2eb5292b34ca292e408b050b6640fae0365d8e1c285b0fc193676a0fae45fc2ade2bdab7522b7af0 |
memory/628-59-0x0000000000000000-mapping.dmp
memory/1212-60-0x0000000000000000-mapping.dmp