Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system - submitted
06/06/2024, 15:12
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe
Resource
win10v2004-20240508-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe
Resource
win11-20240426-en
14 signatures
150 seconds
General
- Target e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe
- Size 1.0MB
- Sample240606-sladjafg3w
- SHA256 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a
- MD5 29b2b081df5861fed9651766f37b7738
- SHA1 656957b9e2b270b59b3750cb90978e496d9177fe
- SHA512 828edb2157a3f293f92563729e17292310f525a9e4d0f66ed491dacc0f1058a85ec9bf5466de1dc98712ae0686eed4fb8b356bfa8df1e47b5ca9d205561dac5f
- SSDEEP 24576:aAHnh+eWsN3skA4RV1Hom2KXMmHaRLSomGr7yXUR5:th+ZkldoPK8YaRLSomne
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
^NpBYBQ0
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs name.exe - Executes dropped EXE 1 IoCs
pid Process 3904 name.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" RegSvcs.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 api.ipify.org 2 api.ipify.org - AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x000100000002aa1f-12.dat autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3904 set thread context of 3616 3904 name.exe 79 - Program crash 1 IoCs
pid pid_target Process procid_target 1428 3904 WerFault.exe 78 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3616 RegSvcs.exe 3616 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3904 name.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3616 RegSvcs.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 3904 name.exe 3904 name.exe - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 3904 name.exe 3904 name.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2332 wrote to memory of 3904 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 78 PID 2332 wrote to memory of 3904 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 78 PID 2332 wrote to memory of 3904 2332 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe 78 PID 3904 wrote to memory of 3616 3904 name.exe 79 PID 3904 wrote to memory of 3616 3904 name.exe 79 PID 3904 wrote to memory of 3616 3904 name.exe 79 PID 3904 wrote to memory of 3616 3904 name.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe"C:\Users\Admin\AppData\Local\Temp\e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe"1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\directory\name.exe"C:\Users\Admin\AppData\Local\Temp\e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a.exe"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3616
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 7323⤵
- Program crash
PID:1428
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3904 -ip 39041⤵PID:2960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\peaks
- Size 28KB
- SHA256 b9d63f3b0cedc1dab90af686947acf4c93185e0d3da27992f46f25f92ebc8228
- MD5 0fc1168a28a599c102dd0e7b89434641
- SHA1 e2c8c12a2da0e952b9fd354bbd6b430338e4a3f3
- SHA512 0d0577eb58019bd1d51b3e31d219ad3cbef1379264a33a1860ca74373ae1a1235dbada65a0b8e046eb99b00aadae51dbe4f0bc094d8b888c5ad7af3dbc8ecf3b
- SSDEEP 768:WiTZ+2QoioGRk6ZklputwjpjBkCiw2RuJ3nXKUrvzjsNbA+ILE7924vfF3if6gy4:WiTZ+2QoioGRk6ZklputwjpjBkCiw2RO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\directory\name.exe
- Size 1.0MB
- SHA256 e7f83d43899e14d39467f1c25170cc0215bda6c7e99986285b6833642654d03a
- MD5 29b2b081df5861fed9651766f37b7738
- SHA1 656957b9e2b270b59b3750cb90978e496d9177fe
- SHA512 828edb2157a3f293f92563729e17292310f525a9e4d0f66ed491dacc0f1058a85ec9bf5466de1dc98712ae0686eed4fb8b356bfa8df1e47b5ca9d205561dac5f
- SSDEEP 24576:aAHnh+eWsN3skA4RV1Hom2KXMmHaRLSomGr7yXUR5:th+ZkldoPK8YaRLSomne
- MD5 SHA1 SHA512 SSDEEP