Analysis Overview
SHA256
b43813d1e597a0633fc8693d5921688a8b189cfdc6c74fda22e42c2aefa3270c
Threat Level: Known bad
The file PO76389.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 09:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 09:51
Reported
2024-06-03 09:53
Platform
win7-20240221-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
AgentTesla
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe" | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 328 set thread context of 2264 | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | C:\Users\Admin\AppData\Local\Temp\PO76389.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
Files
memory/328-0-0x000000007406E000-0x000000007406F000-memory.dmp
memory/328-1-0x0000000000DC0000-0x0000000000E9A000-memory.dmp
memory/328-2-0x0000000074060000-0x000000007474E000-memory.dmp
memory/328-3-0x00000000005B0000-0x00000000005C6000-memory.dmp
memory/328-4-0x00000000006D0000-0x00000000006DE000-memory.dmp
memory/328-5-0x00000000006E0000-0x00000000006F0000-memory.dmp
memory/328-6-0x0000000005190000-0x0000000005214000-memory.dmp
memory/2264-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2264-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2264-17-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2264-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2264-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2264-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2264-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2264-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/328-22-0x0000000074060000-0x000000007474E000-memory.dmp
memory/2264-23-0x0000000074060000-0x000000007474E000-memory.dmp
memory/2264-24-0x0000000074060000-0x000000007474E000-memory.dmp
memory/2264-26-0x0000000074060000-0x000000007474E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 09:51
Reported
2024-06-03 09:53
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
156s
Command Line
Signatures
AgentTesla
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe" | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3012 set thread context of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | C:\Users\Admin\AppData\Local\Temp\PO76389.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO76389.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
C:\Users\Admin\AppData\Local\Temp\PO76389.exe
"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3612 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 164.189.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.12.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | mail.psgrasa.ir | udp |
| IR | 185.10.73.42:587 | mail.psgrasa.ir | tcp |
| US | 8.8.8.8:53 | 42.73.10.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 172.217.169.74:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 74.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.65.42.20.in-addr.arpa | udp |
Files
memory/3012-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/3012-1-0x0000000000140000-0x000000000021A000-memory.dmp
memory/3012-2-0x00000000050B0000-0x0000000005654000-memory.dmp
memory/3012-3-0x0000000004C00000-0x0000000004C92000-memory.dmp
memory/3012-4-0x0000000005660000-0x00000000059B4000-memory.dmp
memory/3012-5-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/3012-6-0x0000000004EC0000-0x0000000004ECA000-memory.dmp
memory/3012-7-0x00000000066C0000-0x00000000066D6000-memory.dmp
memory/3012-8-0x00000000066E0000-0x00000000066EE000-memory.dmp
memory/3012-9-0x00000000066F0000-0x0000000006700000-memory.dmp
memory/3012-10-0x0000000006760000-0x00000000067E4000-memory.dmp
memory/3012-11-0x0000000008E60000-0x0000000008EFC000-memory.dmp
memory/2968-12-0x0000000000400000-0x0000000000442000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO76389.exe.log
| MD5 | b7b9acb869ccc7f7ecb5304ec0384dee |
| SHA1 | 6a90751c95817903ee833d59a0abbef425a613b3 |
| SHA256 | 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4 |
| SHA512 | 7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764 |
memory/2968-15-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/3012-16-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/2968-18-0x0000000005120000-0x0000000005186000-memory.dmp
memory/2968-17-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/2968-20-0x0000000006610000-0x0000000006660000-memory.dmp
memory/2968-21-0x0000000074A40000-0x00000000751F0000-memory.dmp