agenttesla | 13f7a30f58afa7f483fea6a837b9404bb70e0e491522f95a59d07780974580e1

General

Target
INV#45662019.exe
Size 584KB
Sample200716-2ca532txyx
SHA256 13f7a30f58afa7f483fea6a837b9404bb70e0e491522f95a59d07780974580e1
MD5 fc298909af8cc330d50f74fb14ae4e7f
SHA1 6bba11ecdbd5e50204737296902e7805615fe4bc
SHA512 c597f05bc503438ea131b488240e7ea2430949cb77d65d5ff59528c852fc93c2442b82d9c79025a8e14a785135368bb6554fa58a95c3060a6c41672f7ef7cc33
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/3632-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral2/memory/3632-6-0x000000000044756E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	INV#45662019.exe

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

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

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 3632	1628	INV#45662019.exe	74

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
3596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3632	INV#45662019.exe
3632	INV#45662019.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3632	INV#45662019.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3632	INV#45662019.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3596	1628	INV#45662019.exe	72
PID 1628 wrote to memory of 3596	1628	INV#45662019.exe	72
PID 1628 wrote to memory of 3596	1628	INV#45662019.exe	72
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74
PID 1628 wrote to memory of 3632	1628	INV#45662019.exe	74

C:\Users\Admin\AppData\Local\Temp\INV#45662019.exe
"C:\Users\Admin\AppData\Local\Temp\INV#45662019.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QCWFFAI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA2ED.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3596
- C:\Users\Admin\AppData\Local\Temp\INV#45662019.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3632