Analysis Overview
SHA256
e93ed32f1b08339636d003ee264025f501533191dba8c54eb8e953379a51b686
Threat Level: Known bad
The file 41a02cf63adc065916a6e4a5c478f8e9_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
2024-07-13 12:18
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-13 12:18
Reported
2024-07-13 12:20
Platform
win7-20240708-en
Max time kernel
149s
Max time network
151s
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\Hsbyilwx\kwhjcis.tzb | 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\41a02cf63adc065916a6e4a5c478f8e9_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41a02cf63adc065916a6e4a5c478f8e9_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hsbyilwx\kwhjcis.tzb",lWLlemCwpVNxd
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hsbyilwx\kwhjcis.tzb",#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/2980-1-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2980-0-0x0000000000170000-0x000000000018F000-memory.dmp
memory/2980-2-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2292-3-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2344-5-0x0000000010000000-0x0000000010023000-memory.dmp
memory/2344-6-0x0000000010000000-0x0000000010023000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-13 12:18
Reported
2024-07-13 12:20
Platform
win10v2004-20240709-en
Max time kernel
129s
Max time network
94s
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\Rsrfqdsqgs\aosdklemp.yms | 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 428 wrote to memory of 1788 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 428 wrote to memory of 1788 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 428 wrote to memory of 1788 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1788 wrote to memory of 4732 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1788 wrote to memory of 4732 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1788 wrote to memory of 4732 | 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\41a02cf63adc065916a6e4a5c478f8e9_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41a02cf63adc065916a6e4a5c478f8e9_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Rsrfqdsqgs\aosdklemp.yms",SgyR
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/1788-0-0x0000000000BC0000-0x0000000000BDF000-memory.dmp
memory/1788-1-0x0000000010000000-0x0000000010023000-memory.dmp
C:\Windows\SysWOW64\Rsrfqdsqgs\aosdklemp.yms
| MD5 | 41a02cf63adc065916a6e4a5c478f8e9 |
| SHA1 | da37e85d1158a734bc8fed9a65904f747f7d91ae |
| SHA256 | e93ed32f1b08339636d003ee264025f501533191dba8c54eb8e953379a51b686 |
| SHA512 | 606ada9432831274ab642ab4b57c1b95e3c77ed891063a3dc54edc227851363aab45600b792be910c99c639d70fccaacfc4fca42c1360334ca678aadce0b361b |
memory/1788-3-0x0000000010000000-0x0000000010023000-memory.dmp