Analysis Overview
SHA256
c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b
Threat Level: Known bad
The file c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Loads dropped DLL
Drops startup file
Executes dropped EXE
Looks up external IP address via web service
Adds Run key to start application
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-19 01:59
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 01:59
Reported
2024-06-19 02:01
Platform
win7-20240221-en
Max time kernel
119s
Max time network
119s
Command Line
Signatures
AgentTesla
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\samples.vbs | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVCcTv = "C:\\Users\\Admin\\AppData\\Roaming\\YVCcTv\\YVCcTv.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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 |
| N/A | ip-api.com | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2760 set thread context of 2716 | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe
"C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe"
C:\Users\Admin\AppData\Local\directory\samples.exe
"C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 172.67.74.152:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
Files
memory/2928-10-0x00000000000B0000-0x00000000000B4000-memory.dmp
\Users\Admin\AppData\Local\directory\samples.exe
| MD5 | b4692a7d7be3798dc715deb097b2efb1 |
| SHA1 | 9c1891bd7b46da3e2c210fa81b8307b299830ddc |
| SHA256 | c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b |
| SHA512 | 237a9447f7fb8fceaaa9592ecb60001ada9d2c0d8b47bd22808ef41fc61ebb58f10ca2a904bf4cc719d51cab7becc6fdea8a6ddfdc6d301540e9e5fd5746dbcd |
C:\Users\Admin\AppData\Local\Temp\biopsies
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2716-30-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-32-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-34-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2716-35-0x000000007471E000-0x000000007471F000-memory.dmp
memory/2716-36-0x0000000074710000-0x0000000074DFE000-memory.dmp
memory/2716-38-0x000000007471E000-0x000000007471F000-memory.dmp
memory/2716-39-0x0000000074710000-0x0000000074DFE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-19 01:59
Reported
2024-06-19 02:01
Platform
win10v2004-20240508-en
Max time kernel
131s
Max time network
132s
Command Line
Signatures
AgentTesla
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\samples.vbs | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVCcTv = "C:\\Users\\Admin\\AppData\\Roaming\\YVCcTv\\YVCcTv.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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 |
| N/A | ip-api.com | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5080 set thread context of 844 | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\samples.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe
"C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe"
C:\Users\Admin\AppData\Local\directory\samples.exe
"C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b.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 --field-trial-handle=4456,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 205.13.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/2696-10-0x0000000002540000-0x0000000002544000-memory.dmp
C:\Users\Admin\AppData\Local\directory\samples.exe
| MD5 | b4692a7d7be3798dc715deb097b2efb1 |
| SHA1 | 9c1891bd7b46da3e2c210fa81b8307b299830ddc |
| SHA256 | c2a31fc8a9b96960576cd9bb519b32705b3d07285f3f3983a501305e51cd567b |
| SHA512 | 237a9447f7fb8fceaaa9592ecb60001ada9d2c0d8b47bd22808ef41fc61ebb58f10ca2a904bf4cc719d51cab7becc6fdea8a6ddfdc6d301540e9e5fd5746dbcd |
C:\Users\Admin\AppData\Local\Temp\biopsies
| MD5 | c13e586ac8436b36ca0e58bb2f6315e7 |
| SHA1 | f810b843e323af826b4a27633231a1fb01600abd |
| SHA256 | df0e442f23fa28df14cc4a2b3e6f70de40efd88f6324fb92ec0361e6a8d2e052 |
| SHA512 | 642a3674fd6593681a382235aad3793a09f925837410a5b7e1faa0f7b4f7d631d0d617f1781a32e8777b4ac5a223c75dc55464e0af22ca2b7785961f1b13469f |
C:\Users\Admin\AppData\Local\Temp\thixophobia
| MD5 | ceb00009587cbab71a1e9150415a8ffa |
| SHA1 | f61231dc166504c0ff14400b55002e99b30c22c6 |
| SHA256 | 61b2ec8a02934513af45ebb2f9638ed24ff87abc49db9909eb7c219ee433c2d3 |
| SHA512 | 6f52e83c1b2c3c5fe7fa90400748856beae794a24ffffbf2c353fb72c5135fa02edf6e94497f316c067a5f58867f523e7176bd7a57b5905039e4642da89e8ac5 |
memory/844-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/844-29-0x0000000074BFE000-0x0000000074BFF000-memory.dmp
memory/844-30-0x0000000005000000-0x00000000055A4000-memory.dmp
memory/844-31-0x0000000004BD0000-0x0000000004C36000-memory.dmp
memory/844-32-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/844-34-0x0000000006040000-0x0000000006090000-memory.dmp
memory/844-35-0x0000000006130000-0x00000000061C2000-memory.dmp
memory/844-36-0x00000000060C0000-0x00000000060CA000-memory.dmp
memory/844-37-0x0000000074BFE000-0x0000000074BFF000-memory.dmp
memory/844-38-0x0000000074BF0000-0x00000000753A0000-memory.dmp