agenttesla | cdf7d9b74f5f5314bb7cb771a139b12ca61bc304e1afd3f2bbaeae1d844107ea

General

Target
63815b1f16536a3d54fcd0492e7f2920.exe
Size 407KB
Sample201109-xeca46efkn
SHA256 cdf7d9b74f5f5314bb7cb771a139b12ca61bc304e1afd3f2bbaeae1d844107ea
MD5 63815b1f16536a3d54fcd0492e7f2920
SHA1 fed536b8a9421881dbfa972d2a89628cd4ef2690
SHA512 d1381cf8240405ed799b8edc9ff8ddfb38be33730d01acca00de1981a86596c71938b44804fd0ccd5a7bc8aa0737ad517f668559094a16eea8f3c5c8ef578cbe
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 4 IoCs

resource	yara_rule
behavioral1/memory/1768-2-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1768-3-0x000000000044BC1E-mapping.dmp	family_agenttesla
behavioral1/memory/1768-5-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1768-4-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	63815b1f16536a3d54fcd0492e7f2920.exe

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

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

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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ayzLj = "C:\\Users\\Admin\\AppData\\Roaming\\ayzLj\\ayzLj.exe"	63815b1f16536a3d54fcd0492e7f2920.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1068 set thread context of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29

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
916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1768	63815b1f16536a3d54fcd0492e7f2920.exe
1768	63815b1f16536a3d54fcd0492e7f2920.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	63815b1f16536a3d54fcd0492e7f2920.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1768	63815b1f16536a3d54fcd0492e7f2920.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 916	1068	63815b1f16536a3d54fcd0492e7f2920.exe	26
PID 1068 wrote to memory of 916	1068	63815b1f16536a3d54fcd0492e7f2920.exe	26
PID 1068 wrote to memory of 916	1068	63815b1f16536a3d54fcd0492e7f2920.exe	26
PID 1068 wrote to memory of 916	1068	63815b1f16536a3d54fcd0492e7f2920.exe	26
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29
PID 1068 wrote to memory of 1768	1068	63815b1f16536a3d54fcd0492e7f2920.exe	29

C:\Users\Admin\AppData\Local\Temp\63815b1f16536a3d54fcd0492e7f2920.exe
"C:\Users\Admin\AppData\Local\Temp\63815b1f16536a3d54fcd0492e7f2920.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gyAwCOVXo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1239.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:916
- C:\Users\Admin\AppData\Local\Temp\63815b1f16536a3d54fcd0492e7f2920.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1768