Analysis Overview
SHA256
1b5cce8b8a38d3caef308cb2200f7a3c5439f47936e63e0a9683e5c80f44116b
Threat Level: Known bad
The file 6c2a5e3bda43426781fbb5693fdf2a96 was found to be: Known bad.
Malicious Activity Summary
Sakula
UPX packed file
Executes dropped EXE
Loads dropped DLL
Deletes itself
Adds Run key to start application
Modifies registry key
Suspicious use of WriteProcessMemory
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-09-06 21:34
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-09-06 21:34
Reported
2022-09-06 21:37
Platform
win7-20220812-en
Max time kernel
116s
Max time network
166s
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 |
UPX packed file
| 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 |
| 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 |
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\6c2a5e3bda43426781fbb5693fdf2a96.exe
"C:\Users\Admin\AppData\Local\Temp\6c2a5e3bda43426781fbb5693fdf2a96.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\6c2a5e3bda43426781fbb5693fdf2a96.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
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
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 | 173.254.226.212:443 | tcp | |
| US | 173.254.226.212:443 | tcp |
Files
memory/1388-54-0x0000000074AD1000-0x0000000074AD3000-memory.dmp
memory/1388-55-0x0000000000400000-0x000000000040D000-memory.dmp
memory/792-56-0x0000000000000000-mapping.dmp
memory/2012-57-0x0000000000000000-mapping.dmp
memory/1164-58-0x0000000000000000-mapping.dmp
memory/1388-59-0x0000000000400000-0x000000000040D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2d5d0cefc576aa916383504e1baba102 |
| SHA1 | 97cae77569916e6922d9cf585f335b4b12540191 |
| SHA256 | abf70cb1775f92e4e7ae7cc9ad7b92a127b4b8a99d8f19c279b47af8a9eb3717 |
| SHA512 | b62901db93e081279f078e705342d8adf1707bdf0797cd3b9fc2f55aa9b919c42f28e0f37df4af29e60cf717f8fdec800ce1dccfa63355be4b05c0a47b19a350 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2d5d0cefc576aa916383504e1baba102 |
| SHA1 | 97cae77569916e6922d9cf585f335b4b12540191 |
| SHA256 | abf70cb1775f92e4e7ae7cc9ad7b92a127b4b8a99d8f19c279b47af8a9eb3717 |
| SHA512 | b62901db93e081279f078e705342d8adf1707bdf0797cd3b9fc2f55aa9b919c42f28e0f37df4af29e60cf717f8fdec800ce1dccfa63355be4b05c0a47b19a350 |
memory/1168-63-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2d5d0cefc576aa916383504e1baba102 |
| SHA1 | 97cae77569916e6922d9cf585f335b4b12540191 |
| SHA256 | abf70cb1775f92e4e7ae7cc9ad7b92a127b4b8a99d8f19c279b47af8a9eb3717 |
| SHA512 | b62901db93e081279f078e705342d8adf1707bdf0797cd3b9fc2f55aa9b919c42f28e0f37df4af29e60cf717f8fdec800ce1dccfa63355be4b05c0a47b19a350 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2d5d0cefc576aa916383504e1baba102 |
| SHA1 | 97cae77569916e6922d9cf585f335b4b12540191 |
| SHA256 | abf70cb1775f92e4e7ae7cc9ad7b92a127b4b8a99d8f19c279b47af8a9eb3717 |
| SHA512 | b62901db93e081279f078e705342d8adf1707bdf0797cd3b9fc2f55aa9b919c42f28e0f37df4af29e60cf717f8fdec800ce1dccfa63355be4b05c0a47b19a350 |
memory/2012-66-0x0000000000130000-0x000000000013D000-memory.dmp
memory/2012-67-0x0000000000130000-0x000000000013D000-memory.dmp
memory/904-69-0x0000000000000000-mapping.dmp
memory/912-68-0x0000000000000000-mapping.dmp
memory/2012-70-0x0000000000130000-0x000000000013D000-memory.dmp
memory/2012-71-0x0000000000130000-0x000000000013D000-memory.dmp
memory/1168-72-0x0000000000400000-0x000000000040D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-09-06 21:34
Reported
2022-09-06 21:37
Platform
win10v2004-20220812-en
Max time kernel
152s
Max time network
187s
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 |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\6c2a5e3bda43426781fbb5693fdf2a96.exe
"C:\Users\Admin\AppData\Local\Temp\6c2a5e3bda43426781fbb5693fdf2a96.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\6c2a5e3bda43426781fbb5693fdf2a96.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 | 52.109.8.86:443 | tcp | |
| 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 | 178.79.208.1:80 | tcp | |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| IE | 40.126.31.71:443 | 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/4436-132-0x0000000000400000-0x000000000040D000-memory.dmp
memory/4436-133-0x0000000000400000-0x000000000040D000-memory.dmp
memory/3820-134-0x0000000000000000-mapping.dmp
memory/4820-135-0x0000000000000000-mapping.dmp
memory/4888-136-0x0000000000000000-mapping.dmp
memory/4436-137-0x0000000000400000-0x000000000040D000-memory.dmp
memory/3756-139-0x0000000000000000-mapping.dmp
memory/3832-138-0x0000000000000000-mapping.dmp
memory/3736-140-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | d63f2fb5bf9e17b1e90e5a0ab7a70c35 |
| SHA1 | 3b492f68875936a2f5a6a92403b80881f272b232 |
| SHA256 | edaf0a4d4f71d633b53d6bd6f5091ad6a7a88258c650772033b3832cea368e93 |
| SHA512 | fb37e0b2167352d1f7679797228c6402e8b254184c7d6a2c2e277b33a4cac2fc5fe39bfc72d52c1e3f4ec574f528f810f7b876785575ff61398d1f679cbd8263 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | d63f2fb5bf9e17b1e90e5a0ab7a70c35 |
| SHA1 | 3b492f68875936a2f5a6a92403b80881f272b232 |
| SHA256 | edaf0a4d4f71d633b53d6bd6f5091ad6a7a88258c650772033b3832cea368e93 |
| SHA512 | fb37e0b2167352d1f7679797228c6402e8b254184c7d6a2c2e277b33a4cac2fc5fe39bfc72d52c1e3f4ec574f528f810f7b876785575ff61398d1f679cbd8263 |
memory/3736-143-0x0000000000400000-0x000000000040D000-memory.dmp
memory/3736-144-0x0000000000400000-0x000000000040D000-memory.dmp