agenttesla | 3806458ec9917bd25f85bb2d643ad955195640a47f1adf3ec23e9a78473f5aa6

General

Target
RT Materials.exe
Size 553KB
Sample200716-wcf1ypnetj
SHA256 3806458ec9917bd25f85bb2d643ad955195640a47f1adf3ec23e9a78473f5aa6
MD5 e0d7263f8f988b4d1ae902840b3221fa
SHA1 c190e2c77088fded61c4106cd89d7ff64284889e
SHA512 e477d04c474331f4357d824f37b8b3dc22d12b79c31594d58d495d26e53c2d37b1d02d2b8c27b584e1ae88228bca2c69e71f335766d0147e422a2f6d7b75f970
MD5 SHA1 SHA512

Score

10^/10

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1812	1312	RT Materials.exe	26
PID 1312 wrote to memory of 1812	1312	RT Materials.exe	26
PID 1312 wrote to memory of 1812	1312	RT Materials.exe	26
PID 1312 wrote to memory of 1812	1312	RT Materials.exe	26
PID 1312 wrote to memory of 1844	1312	RT Materials.exe	28
PID 1312 wrote to memory of 1844	1312	RT Materials.exe	28
PID 1312 wrote to memory of 1844	1312	RT Materials.exe	28
PID 1312 wrote to memory of 1844	1312	RT Materials.exe	28
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29
PID 1312 wrote to memory of 1856	1312	RT Materials.exe	29

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1312 set thread context of 1856	1312	RT Materials.exe	29

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
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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	RT Materials.exe
Token: SeDebugPrivilege	1856	RT Materials.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

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

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
1812	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RT Materials.exe
"C:\Users\Admin\AppData\Local\Temp\RT Materials.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LBPCZaEnGGUoVa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F1F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1812
- C:\Users\Admin\AppData\Local\Temp\RT Materials.exe
  "{path}"
  2⤵
  PID:1844
- C:\Users\Admin\AppData\Local\Temp\RT Materials.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:1856