Analysis Overview
SHA256
b0dd5691185e78d04a4e84060c37f4f4ff77cb3c0efe9cae03e19f172e91bd87
Threat Level: Known bad
The file 431fd3c7422063241701cfc315eb2bf2 was found to be: Known bad.
Malicious Activity Summary
Dridex
Dridex Shellcode
Executes dropped EXE
Loads dropped DLL
Checks whether UAC is enabled
Adds Run key to start application
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-05 07:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-05 07:37
Reported
2024-01-05 07:40
Platform
win7-20231215-en
Max time kernel
150s
Max time network
128s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\F1e\msinfo32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\pkp\msdt.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\F1e\msinfo32.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\pkp\msdt.exe | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zqonzshwxyr = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Acrobat\\9.0\\Collab\\ysmqlthutIC\\spinstall.exe" | N/A | 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\F1e\msinfo32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\pkp\msdt.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
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Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1188 wrote to memory of 3056 | N/A | N/A | C:\Windows\system32\msinfo32.exe |
| PID 1188 wrote to memory of 3056 | N/A | N/A | C:\Windows\system32\msinfo32.exe |
| PID 1188 wrote to memory of 3056 | N/A | N/A | C:\Windows\system32\msinfo32.exe |
| PID 1188 wrote to memory of 1616 | N/A | N/A | C:\Users\Admin\AppData\Local\F1e\msinfo32.exe |
| PID 1188 wrote to memory of 1616 | N/A | N/A | C:\Users\Admin\AppData\Local\F1e\msinfo32.exe |
| PID 1188 wrote to memory of 1616 | N/A | N/A | C:\Users\Admin\AppData\Local\F1e\msinfo32.exe |
| PID 1188 wrote to memory of 1636 | N/A | N/A | C:\Windows\system32\spinstall.exe |
| PID 1188 wrote to memory of 1636 | N/A | N/A | C:\Windows\system32\spinstall.exe |
| PID 1188 wrote to memory of 1636 | N/A | N/A | C:\Windows\system32\spinstall.exe |
| PID 1188 wrote to memory of 584 | N/A | N/A | C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe |
| PID 1188 wrote to memory of 584 | N/A | N/A | C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe |
| PID 1188 wrote to memory of 584 | N/A | N/A | C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe |
| PID 1188 wrote to memory of 2960 | N/A | N/A | C:\Windows\system32\msdt.exe |
| PID 1188 wrote to memory of 2960 | N/A | N/A | C:\Windows\system32\msdt.exe |
| PID 1188 wrote to memory of 2960 | N/A | N/A | C:\Windows\system32\msdt.exe |
| PID 1188 wrote to memory of 2616 | N/A | N/A | C:\Users\Admin\AppData\Local\pkp\msdt.exe |
| PID 1188 wrote to memory of 2616 | N/A | N/A | C:\Users\Admin\AppData\Local\pkp\msdt.exe |
| PID 1188 wrote to memory of 2616 | N/A | N/A | C:\Users\Admin\AppData\Local\pkp\msdt.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\431fd3c7422063241701cfc315eb2bf2.dll
C:\Windows\system32\msinfo32.exe
C:\Windows\system32\msinfo32.exe
C:\Users\Admin\AppData\Local\F1e\msinfo32.exe
C:\Users\Admin\AppData\Local\F1e\msinfo32.exe
C:\Windows\system32\spinstall.exe
C:\Windows\system32\spinstall.exe
C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe
C:\Users\Admin\AppData\Local\IZ4z\spinstall.exe
C:\Windows\system32\msdt.exe
C:\Windows\system32\msdt.exe
C:\Users\Admin\AppData\Local\pkp\msdt.exe
C:\Users\Admin\AppData\Local\pkp\msdt.exe
Network
Files
memory/2108-0-0x0000000000120000-0x0000000000127000-memory.dmp
memory/2108-1-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-4-0x00000000773A6000-0x00000000773A7000-memory.dmp
memory/1188-5-0x0000000002A80000-0x0000000002A81000-memory.dmp
memory/1188-12-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-11-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-10-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-9-0x0000000140000000-0x0000000140238000-memory.dmp
memory/2108-8-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-7-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-16-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-17-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-15-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-14-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-13-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-18-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-19-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-20-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-26-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-27-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-25-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-24-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-23-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-22-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-21-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-28-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-29-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-30-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-31-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-38-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-39-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-37-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-36-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-35-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-34-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-33-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-32-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-40-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-41-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-42-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-46-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-45-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-44-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-43-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-48-0x0000000002A50000-0x0000000002A57000-memory.dmp
memory/1188-47-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-55-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-56-0x00000000775B1000-0x00000000775B2000-memory.dmp
memory/1188-57-0x0000000077710000-0x0000000077712000-memory.dmp
memory/1188-66-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-70-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-71-0x0000000140000000-0x0000000140238000-memory.dmp
memory/1188-75-0x0000000140000000-0x0000000140238000-memory.dmp
C:\Users\Admin\AppData\Local\F1e\MFC42u.dll
| MD5 | 908197edbd91ba50e284a0c3e9780e89 |
| SHA1 | f51d2fb287968bac53e5838a578e28a67232ca52 |
| SHA256 | e16efc981050398cadf7c6acbb11332f4083f1138629115f324d2ccdaacba983 |
| SHA512 | af641d977c3d805993fed14a154014b4ae0fc545af01849190d159e4cb836dc0f33e413a14f81e49f8051675b2dc46d6c7116a827cf7697943a8685d9ea0e7eb |
C:\Users\Admin\AppData\Local\F1e\msinfo32.exe
| MD5 | d291620d4c51c5f5ffa62ccdc52c5c13 |
| SHA1 | 2081c97f15b1c2a2eadce366baf3c510da553cc7 |
| SHA256 | 76e959dd7db31726c040d46cfa86b681479967aea36db5f625e80bd36422e8ae |
| SHA512 | 75f9bcce4c596dae1f4d78e13d9d53b0c31988d2170c3d9f5db352b8c8a1c8ca58f4a002b30a4b328b8f4769008b750b8a1c9fda44a582e11c3adc38345c334b |
memory/1616-84-0x0000000000170000-0x0000000000177000-memory.dmp
\Users\Admin\AppData\Local\IZ4z\spinstall.exe
| MD5 | 29c1d5b330b802efa1a8357373bc97fe |
| SHA1 | 90797aaa2c56fc2a667c74475996ea1841bc368f |
| SHA256 | 048bd22abf158346ab991a377cc6e9d2b20b4d73ccee7656c96a41f657e7be7f |
| SHA512 | 66f4f75a04340a1dd55dfdcc3ff1103ea34a55295f56c12e88d38d1a41e5be46b67c98bd66ac9f878ce79311773e374ed2bce4dd70e8bb5543e4ec1dd56625ee |
C:\Users\Admin\AppData\Local\IZ4z\WTSAPI32.dll
| MD5 | 986b61dc86acaea4fbc79f0dce9f8c4b |
| SHA1 | a06dccbf5b9b31ee194c53c628a2be05ee4e744f |
| SHA256 | 69ef19eb3314340c0002bed325823ed5293005ec884498d6e00671903a6972db |
| SHA512 | 882ceb00c90bf71ed2c1d2808233e4cb422159c42e8de8335ca63f4a0e362dc2b946b39f4d7a3c4527e88a49a672e828175abd07e978fafa43d934596e6e6466 |
memory/584-102-0x00000000000F0000-0x00000000000F7000-memory.dmp
\Users\Admin\AppData\Local\pkp\msdt.exe
| MD5 | aecb7b09566b1f83f61d5a4b44ae9c7e |
| SHA1 | 3a4a2338c6b5ac833dc87497e04fe89c5481e289 |
| SHA256 | fbdbe7a2027cab237c4635ef71c1a93cf7afc4b79d56b63a119b7f8e3029ccf5 |
| SHA512 | 6e14200262e0729ebcab2226c3eac729ab5af2a4c6f4f9c3e2950cc203387d9a0a447cf38665c724d4397353931fd10064dc067e043a3579538a6144e33e4746 |
\Users\Admin\AppData\Local\pkp\Secur32.dll
| MD5 | a98501baf95cf4af561c5762b10f4a0d |
| SHA1 | 17f8b8e878778291b062aef8beae0b4751c75e65 |
| SHA256 | 9bd05146c6f5006c01c6e45d0f6d94226a8611184a2d9aef9b18b8da75dea026 |
| SHA512 | 1b045b05da2f2c2013c4358f58625975a5f0a8b62d1037b14c030964ffe9269554bad34bb8ec698251165f769f2227c59962a84ca404e663d51a2d621b152759 |
memory/2616-120-0x00000000002D0000-0x00000000002D7000-memory.dmp
memory/1188-140-0x00000000773A6000-0x00000000773A7000-memory.dmp
C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ercyejwqgvsruoy.lnk
| MD5 | 59c1fd0121e76347f591f70f5d82b96c |
| SHA1 | 14055e3d1d5afcca1a8e6fa5ff02907ab52e64cb |
| SHA256 | f2cbdac01aac0014f17a969589e95e12e6ab9cc18936972fd0bdb85754c851fa |
| SHA512 | c168c7571c37a147a2addc462328115ed8d038507d0b845d7713d152fd5ce10c91ffbf0fa7a7a4ed4a2b3db172b74e3ac32af24ef7f32d6b8f5bece15393bcc7 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-05 07:37
Reported
2024-01-05 07:40
Platform
win10v2004-20231215-en
Max time network
101s
Command Line
Signatures
Processes
Network
| Country | Destination | Domain | Proto |
| GB | 23.44.234.16:80 | tcp | |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 16.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| GB | 88.221.134.32:80 | tcp | |
| GB | 88.221.134.32:80 | tcp | |
| GB | 88.221.134.32:80 | tcp |