Analysis Overview
SHA256
0f451bea3ce8293b82b6bc4cd8018536745b9ef70d82eca8bf13052cede5842d
Threat Level: Known bad
The file 4565ed27f92ec76cc92aa1ac21e29ebd_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Blocklisted process makes network request
Loads dropped DLL
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-14 10:20
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-14 10:20
Reported
2024-07-14 10:23
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Emotet
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Mwfvmrdzghyafoq\jfyrkhjtjewaeb.tyl | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2288 wrote to memory of 4184 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2288 wrote to memory of 4184 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2288 wrote to memory of 4184 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4184 wrote to memory of 3416 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4184 wrote to memory of 3416 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4184 wrote to memory of 3416 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4565ed27f92ec76cc92aa1ac21e29ebd_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4565ed27f92ec76cc92aa1ac21e29ebd_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mwfvmrdzghyafoq\jfyrkhjtjewaeb.tyl",CQQBbqRNCzLMR
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/4184-0-0x0000000000A60000-0x0000000000A7F000-memory.dmp
memory/4184-1-0x0000000010000000-0x0000000010023000-memory.dmp
memory/4184-3-0x0000000010000000-0x0000000010023000-memory.dmp
C:\Windows\SysWOW64\Mwfvmrdzghyafoq\jfyrkhjtjewaeb.tyl
| MD5 | 4565ed27f92ec76cc92aa1ac21e29ebd |
| SHA1 | 667909e2cdb72c781454b7bd54e015b0905c88e6 |
| SHA256 | 0f451bea3ce8293b82b6bc4cd8018536745b9ef70d82eca8bf13052cede5842d |
| SHA512 | c9cbb20c6d22ac30835e5ea3e9081e9cdc15f58f62621ed82886158c2d2a986be062e93c5d439738baed3c1cbe6684d3cda9baee2907eca69c81ff199161dbad |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-14 10:20
Reported
2024-07-14 10:23
Platform
win7-20240708-en
Max time kernel
131s
Max time network
139s
Command Line
Signatures
Emotet
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Mknjcxctjbsqsf\oqrnwsscxvavu.lyc | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4565ed27f92ec76cc92aa1ac21e29ebd_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4565ed27f92ec76cc92aa1ac21e29ebd_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mknjcxctjbsqsf\oqrnwsscxvavu.lyc",SQQKXUg
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mknjcxctjbsqsf\oqrnwsscxvavu.lyc",#1
Network
| Country | Destination | Domain | Proto |
| AR | 190.55.186.229:80 | tcp | |
| AR | 190.55.186.229:80 | tcp | |
| TH | 203.157.152.9:7080 | tcp | |
| TH | 203.157.152.9:7080 | tcp | |
| SG | 157.245.145.87:443 | tcp | |
| SG | 157.245.145.87:443 | tcp |
Files
memory/2368-1-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2368-0-0x0000000000170000-0x000000000018F000-memory.dmp
memory/2368-2-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2348-4-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2348-3-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2324-5-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2324-6-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2324-7-0x0000000010000000-0x0000000010023000-memory.dmp