agenttesla | b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0

General

Target
SOA PDF.exe
Size 1000KB
Sample210510-d422yltev2
SHA256 b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0
MD5 9176f64f67ef84349387b35797664600
SHA1 48e0046fec89d77f86b239ae4dec3182f3f061b9
SHA512 7d0e0e1c9769f401845564b033c4613003a696b80bcdc0569c38457e86ba29aac1f13a71e9cb601f08f5d922a997b5d79f1133082e2f76feb0cd87976d5cf065
MD5 SHA1 SHA512

Score

10^/10

Family

Credentials

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3264-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3264-127-0x000000000043785E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	SOA PDF.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\ppptOL = "C:\\Users\\Admin\\AppData\\Roaming\\ppptOL\\ppptOL.exe"	SOA PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 3264	2232	SOA PDF.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3264	SOA PDF.exe
3264	SOA PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3264	SOA PDF.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 740	2232	SOA PDF.exe	79
PID 2232 wrote to memory of 740	2232	SOA PDF.exe	79
PID 2232 wrote to memory of 740	2232	SOA PDF.exe	79
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81
PID 2232 wrote to memory of 3264	2232	SOA PDF.exe	81

C:\Users\Admin\AppData\Local\Temp\SOA PDF.exe
"C:\Users\Admin\AppData\Local\Temp\SOA PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxfaLKaKAs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD6C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:740
- C:\Users\Admin\AppData\Local\Temp\SOA PDF.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3264