Analysis Overview
SHA256
f54bf9a40a76b489ec1dd002d9dc61948dc57a5a25bcc9fc239980319d805718
Threat Level: Shows suspicious behavior
The file f54bf9a40a76b489ec1dd002d9dc61948dc57a5a25bcc9fc239980319d805718 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Checks computer location settings
Drops startup file
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 05:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 05:35
Reported
2024-06-03 05:37
Platform
win7-20240419-en
Max time kernel
148s
Max time network
120s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PDF Reader Launcher.exe | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
Loads dropped DLL
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\COM_LOADER = "\\\\.\\F:\\Program Files\\PDF_Reader\\bin\\COM7.EXE" | C:\Windows\SysWOW64\reg.exe | N/A |
Enumerates physical storage devices
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f54bf9a40a76b489ec1dd002d9dc61948dc57a5a25bcc9fc239980319d805718.exe
"C:\Users\Admin\AppData\Local\Temp\f54bf9a40a76b489ec1dd002d9dc61948dc57a5a25bcc9fc239980319d805718.exe"
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
C:\Windows\SysWOW64\reg.exe
"C:\Windows\System32\reg.exe" ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v COM_LOADER /d "\\.\F:\Program Files\PDF_Reader\bin\COM7.EXE"
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.ibayme.eb2a.com | udp |
| US | 199.59.243.225:80 | www.ibayme.eb2a.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
| MD5 | 008f97461b521f70694805a0c31fc3c6 |
| SHA1 | d3f875708b24a28ae3c4b896af9a67788f12baed |
| SHA256 | ec19b137d7af783d80c54ccd4100b7db8734b099b514e23380b27001f1644cb9 |
| SHA512 | b2fe858e723944d13994466d7119ef2e1395f580541c9640f6f29a23d63fbc5140e7882fcdaf1b4c28598033b16acf8dfdf2708faf4e4790742454dcd495585d |
\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
| MD5 | 2d407d07ebf12fbec35385e89e9560d2 |
| SHA1 | e7f06fb53ca497c96bbd6ac4be821e3b724c3f5f |
| SHA256 | b77d7e2669b87bf67aa237b41fc62112283d60c6b4c15abda3e11882465ecd9a |
| SHA512 | 1bab6bd5fd1e6e5652983c5e32851666271f90c5df65aff9e9ceb295c8793010a8974e59d6f889e9a1d121195dd4ddce77aabe88d0ba6fc34eef7662aaf04a24 |
memory/2028-21-0x0000000000400000-0x0000000000549000-memory.dmp
memory/2084-24-0x0000000000400000-0x0000000000549000-memory.dmp
memory/2176-27-0x0000000000400000-0x0000000000549000-memory.dmp
memory/2564-33-0x0000000000400000-0x0000000000549000-memory.dmp
memory/2664-38-0x0000000000400000-0x0000000000549000-memory.dmp
memory/2084-42-0x0000000000400000-0x0000000000549000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 05:35
Reported
2024-06-03 05:37
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
98s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PDF Reader Launcher.exe | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\COM_LOADER = "\\\\.\\F:\\Program Files\\PDF_Reader\\bin\\COM7.EXE" | C:\Windows\SysWOW64\reg.exe | N/A |
Enumerates physical storage devices
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f54bf9a40a76b489ec1dd002d9dc61948dc57a5a25bcc9fc239980319d805718.exe
"C:\Users\Admin\AppData\Local\Temp\f54bf9a40a76b489ec1dd002d9dc61948dc57a5a25bcc9fc239980319d805718.exe"
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
C:\Windows\SysWOW64\reg.exe
"C:\Windows\System32\reg.exe" ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v COM_LOADER /d "\\.\F:\Program Files\PDF_Reader\bin\COM7.EXE"
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
\\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.ibayme.eb2a.com | udp |
| US | 199.59.243.225:80 | www.ibayme.eb2a.com | tcp |
| US | 8.8.8.8:53 | 225.243.59.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 155.61.62.23.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
| MD5 | 15d92fb4fcd10fb3576445036656873c |
| SHA1 | 0a00745a069e3ecaca46060157df84496dadc5bb |
| SHA256 | 25fe519ec217bbd3fd457d5d84565724c1e70d86894ca31d32e70aa9b76c1adc |
| SHA512 | bfa15aeeba3f88c19e012357c3372eef98d8a6031eaf8258cb169c24a11660cd84e2b9184296e9fdecae2460f775e53fc02209015049c354035d74e0b4d1a7f4 |
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
| MD5 | ed77f9f1f7c3c68e177206b0701c0ef0 |
| SHA1 | d78f3a95774368c81e0b00c2e80cccc30e1039a3 |
| SHA256 | 375158e0d3d86a3ac86a5d3cb00b4938560377887217aec4750437331e30f9c4 |
| SHA512 | b44dfc234ef43a91699069c2a20f96a4dec2c713a1739f28fc39512eeb65dae91d0c798b4863fdcd7f1e542c7ace3c37a6f7f01d550c03963dc98d9e75c82303 |
memory/2852-12-0x0000000000400000-0x0000000000549000-memory.dmp
memory/768-15-0x0000000000400000-0x0000000000549000-memory.dmp
memory/1680-18-0x0000000000400000-0x0000000000549000-memory.dmp
memory/1792-22-0x0000000000400000-0x0000000000549000-memory.dmp
memory/4672-25-0x0000000000400000-0x0000000000549000-memory.dmp
memory/768-29-0x0000000000400000-0x0000000000549000-memory.dmp