agenttesla | 1631bd051bd9ef096e2cd29bba5c549e8b4028dc9de457c2bd5ee060c69a7e6a

General

Target
SKM_C3350191107102300.exe
Size 521KB
Sample200814-e76nz5zkms
SHA256 1631bd051bd9ef096e2cd29bba5c549e8b4028dc9de457c2bd5ee060c69a7e6a
MD5 3ecd7b16cf441354ab7c4bcea3971783
SHA1 17db333914cfeddabc5c7ab0b359d5ccebfe6f09
SHA512 16c820e26578c6e1b8adc7e3b64ccbb503ae0238d508e435ef6d9ddf118d496e55b16bf3179e890e474d4bbd7b3e327f33a971d2b642927d9a2e4e62f78bae80
MD5 SHA1 SHA512

Score

10^/10

Credentials

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

AgentTesla Payload 3 IoCs

keylogger stealer

resource	yara_rule
behavioral2/memory/2424-3-0x000000000045331E-mapping.dmp	agent_tesla
behavioral2/memory/2424-2-0x0000000000400000-0x0000000000458000-memory.dmp	agent_tesla
behavioral2/memory/2424-2-0x0000000000400000-0x0000000000458000-memory.dmp	agent_tesla

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-1-5-21-2168186643-810464528-1121082739-1000\Software\Microsoft\Windows\CurrentVersion\Run\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe"	SKM_C3350191107102300.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3076 set thread context of 2424	3076	SKM_C3350191107102300.exe	72

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
1880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3076	SKM_C3350191107102300.exe
Token: SeDebugPrivilege	2424	SKM_C3350191107102300.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 1880	3076	SKM_C3350191107102300.exe	69
PID 3076 wrote to memory of 1880	3076	SKM_C3350191107102300.exe	69
PID 3076 wrote to memory of 1880	3076	SKM_C3350191107102300.exe	69
PID 3076 wrote to memory of 2336	3076	SKM_C3350191107102300.exe	71
PID 3076 wrote to memory of 2336	3076	SKM_C3350191107102300.exe	71
PID 3076 wrote to memory of 2336	3076	SKM_C3350191107102300.exe	71
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72
PID 3076 wrote to memory of 2424	3076	SKM_C3350191107102300.exe	72

C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmlyxHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE8B5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1880
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe
  "{path}"
  2⤵
  PID:2336
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2424