Analysis Overview
SHA256
e4e8614432443bd5bb00a2b4ec2bb75c000ecbc5e953ed48b3b591b49a927f95
Threat Level: Known bad
The file 011c9344620bfd478f5d5cd2e086906f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-26 15:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-26 15:44
Reported
2024-04-26 15:46
Platform
win7-20240221-en
Max time kernel
134s
Max time network
147s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemObi = "C:\\Users\\Admin\\AppData\\Local\\SystemObi.exe -boot" | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2364 set thread context of 1396 | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | C:\Users\Admin\AppData\Local\SystemObi.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\SystemObi.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\SystemObi.exe"
C:\Users\Admin\AppData\Local\SystemObi.exe
"C:\Users\Admin\AppData\Local\SystemObi.exe"
C:\Users\Admin\AppData\Local\SystemObi.exe
"C:\Users\Admin\AppData\Local\SystemObi.exe"
Network
| Country | Destination | Domain | Proto |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| N/A | 127.0.0.1:1990 | tcp | |
| N/A | 127.0.0.1:1990 | tcp | |
| N/A | 127.0.0.1:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp |
Files
memory/2888-0-0x0000000000D70000-0x0000000000E02000-memory.dmp
memory/2888-1-0x0000000074340000-0x0000000074A2E000-memory.dmp
memory/2888-2-0x00000000002A0000-0x000000000031E000-memory.dmp
memory/2888-3-0x0000000000670000-0x00000000006B0000-memory.dmp
memory/2888-4-0x0000000000270000-0x000000000028E000-memory.dmp
memory/2888-7-0x0000000074340000-0x0000000074A2E000-memory.dmp
C:\Users\Admin\AppData\Local\SystemObi.exe
| MD5 | 011c9344620bfd478f5d5cd2e086906f |
| SHA1 | 0cf2f268bb8bee1dc3bc7abc740856401a2dbb11 |
| SHA256 | e4e8614432443bd5bb00a2b4ec2bb75c000ecbc5e953ed48b3b591b49a927f95 |
| SHA512 | 056669240c96d3f8d0b8f31c7c16b7ab9b104a7b87639da8af9c7ac45c3a47f7d403f2afdba259f8d50b31cd526d660ca446a8e82c1b9a1adc8bcf5f64157314 |
memory/2364-11-0x0000000000910000-0x00000000009A2000-memory.dmp
memory/1396-14-0x0000000000080000-0x00000000000B8000-memory.dmp
memory/1396-21-0x0000000000080000-0x00000000000B8000-memory.dmp
memory/1396-18-0x0000000000080000-0x00000000000B8000-memory.dmp
memory/1396-23-0x0000000000630000-0x000000000063A000-memory.dmp
memory/1396-24-0x00000000006D0000-0x00000000006EE000-memory.dmp
memory/1396-25-0x0000000000680000-0x000000000068A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-26 15:44
Reported
2024-04-26 15:46
Platform
win10v2004-20240419-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemObi = "C:\\Users\\Admin\\AppData\\Local\\SystemObi.exe -boot" | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1204 set thread context of 4688 | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | C:\Users\Admin\AppData\Local\SystemObi.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\SystemObi.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\011c9344620bfd478f5d5cd2e086906f_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\SystemObi.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\SystemObi.exe"
C:\Users\Admin\AppData\Local\SystemObi.exe
"C:\Users\Admin\AppData\Local\SystemObi.exe"
C:\Users\Admin\AppData\Local\SystemObi.exe
"C:\Users\Admin\AppData\Local\SystemObi.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| N/A | 127.0.0.1:1990 | tcp | |
| N/A | 127.0.0.1:1990 | tcp | |
| N/A | 127.0.0.1:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp | |
| IT | 95.141.43.197:1990 | tcp |
Files
memory/1624-0-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/1624-1-0x0000000000D20000-0x0000000000DB2000-memory.dmp
memory/1624-2-0x0000000005D50000-0x00000000062F4000-memory.dmp
memory/1624-3-0x00000000057A0000-0x0000000005832000-memory.dmp
memory/1624-4-0x0000000005940000-0x00000000059BE000-memory.dmp
memory/1624-5-0x00000000059C0000-0x00000000059DE000-memory.dmp
memory/1624-6-0x0000000005A30000-0x0000000005A40000-memory.dmp
memory/1624-7-0x0000000005C90000-0x0000000005C9A000-memory.dmp
memory/1624-11-0x00000000745F0000-0x0000000074DA0000-memory.dmp
C:\Users\Admin\AppData\Local\SystemObi.exe
| MD5 | 011c9344620bfd478f5d5cd2e086906f |
| SHA1 | 0cf2f268bb8bee1dc3bc7abc740856401a2dbb11 |
| SHA256 | e4e8614432443bd5bb00a2b4ec2bb75c000ecbc5e953ed48b3b591b49a927f95 |
| SHA512 | 056669240c96d3f8d0b8f31c7c16b7ab9b104a7b87639da8af9c7ac45c3a47f7d403f2afdba259f8d50b31cd526d660ca446a8e82c1b9a1adc8bcf5f64157314 |
memory/1204-15-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/1204-16-0x0000000005260000-0x0000000005270000-memory.dmp
memory/1204-17-0x0000000008AA0000-0x0000000008B3C000-memory.dmp
memory/1204-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/1204-19-0x0000000005260000-0x0000000005270000-memory.dmp
memory/4688-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1204-23-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/4688-25-0x0000000006090000-0x000000000609A000-memory.dmp
memory/4688-26-0x0000000006120000-0x000000000613E000-memory.dmp
memory/4688-27-0x0000000006260000-0x000000000626A000-memory.dmp