agenttesla | 946ce73d2cfd1cb09ec17f2fdd637ea44deef62248dbb1c57f6a158a75bf6c29

General

Target
INVOICE PDF.exe
Size 554KB
Sample210601-bht3rasvdx
SHA256 946ce73d2cfd1cb09ec17f2fdd637ea44deef62248dbb1c57f6a158a75bf6c29
MD5 94d95a90db3d08e39f50da1ceab6a822
SHA1 842e47320fcf74bdd9d741167db3abc513af1674
SHA512 03e006f103d6929c11d5eb6c57bd49070d0a0749023e2b41452859908714d01e0d26d6e73105f83017f10a4ab38497f8141cfae6c241517cc3326238b652111f
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 3 IoCs

resource	yara_rule
behavioral2/memory/1332-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1332-127-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral2/memory/1332-132-0x0000000005230000-0x000000000572E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	INVOICE 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\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	INVOICE PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3904 set thread context of 1332	3904	INVOICE 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
3180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	INVOICE PDF.exe
Token: SeDebugPrivilege	1332	INVOICE PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1332	INVOICE PDF.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3180	3904	INVOICE PDF.exe	79
PID 3904 wrote to memory of 3180	3904	INVOICE PDF.exe	79
PID 3904 wrote to memory of 3180	3904	INVOICE PDF.exe	79
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81
PID 3904 wrote to memory of 1332	3904	INVOICE PDF.exe	81

C:\Users\Admin\AppData\Local\Temp\INVOICE PDF.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PKXOBXrkwaT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp931E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3180
- C:\Users\Admin\AppData\Local\Temp\INVOICE PDF.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:1332