Analysis Overview
SHA256
b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861
Threat Level: Known bad
The file b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861 was found to be: Known bad.
Malicious Activity Summary
Emotet
Loads dropped DLL
Drops file in System32 directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-15 20:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 20:17
Reported
2024-06-15 20:20
Platform
win7-20240508-en
Max time kernel
134s
Max time network
141s
Command Line
Signatures
Emotet
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2084 wrote to memory of 2772 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861.dll
Network
| Country | Destination | Domain | Proto |
| PK | 175.107.196.192:80 | tcp | |
| PK | 175.107.196.192:80 | tcp | |
| SG | 156.67.219.84:7080 | tcp | |
| SG | 156.67.219.84:7080 | tcp | |
| US | 159.8.59.82:8080 | tcp | |
| US | 159.8.59.82:8080 | tcp | |
| ID | 119.235.255.201:8080 | tcp |
Files
memory/2772-0-0x00000000003F0000-0x0000000000416000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 20:17
Reported
2024-06-15 20:20
Platform
win10v2004-20240611-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
Emotet
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Dsfiawrbfxjt\watf.ukh | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2256 wrote to memory of 1544 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2256 wrote to memory of 1544 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2256 wrote to memory of 1544 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1544 wrote to memory of 4556 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1544 wrote to memory of 4556 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1544 wrote to memory of 4556 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861.dll
C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Dsfiawrbfxjt\watf.ukh"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 2.18.27.76:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.27.18.2.in-addr.arpa | udp |
| PK | 175.107.196.192:80 | tcp | |
| SG | 156.67.219.84:7080 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 159.8.59.82:8080 | tcp | |
| US | 8.8.8.8:53 | 207.131.50.23.in-addr.arpa | udp |
| ID | 119.235.255.201:8080 | tcp | |
| ES | 31.24.158.56:8080 | tcp | |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| IT | 212.237.17.99:8080 | tcp | |
| SG | 45.118.135.203:7080 | tcp | |
| CO | 45.176.232.124:443 | tcp | |
| ZA | 129.232.188.93:443 | tcp | |
| KR | 58.227.42.236:80 | tcp |
Files
memory/1544-0-0x0000000002F50000-0x0000000002F76000-memory.dmp
memory/1544-3-0x0000000010000000-0x0000000010119000-memory.dmp
C:\Windows\SysWOW64\Dsfiawrbfxjt\watf.ukh
| MD5 | 442cfb9a511e845c428c7bda24cdde4c |
| SHA1 | b8e669af6c42be23706076305aafdd68878419f0 |
| SHA256 | b2a1f3c18c864d52b8f7b81a333d51f14687ab0ecc4bc3eddc75b878ff4c9861 |
| SHA512 | 62f6dbfbba475f991dddd209b38c0765b2e501a06fb9836f473221aedcf626f77ed4867d709053ac1df96f3b6b2f3c013602d53f6e3b55b4fd20863b0d64047e |
memory/4556-5-0x0000000002730000-0x0000000002756000-memory.dmp