agenttesla | 169ffbdfdecd290276b788ad335072af8b734d6181a7814481e2c4d4670ae093

General

Target
20200805.exe
Size 518KB
Sample200805-weebgmcj22
SHA256 169ffbdfdecd290276b788ad335072af8b734d6181a7814481e2c4d4670ae093
MD5 709859dbf643b16732125fe9b0bca062
SHA1 3d054e45760b5dd0bf42e84cd59841636af8ec22
SHA512 dfa4863052f8dc0be16cc726cdf33fd92bc411def84ec91ed2dcffe1ad6f8522a013782cca97165533d53db687dee79920417e610ef76ef6bd1deebe62e93f4a
MD5 SHA1 SHA512

Score

10^/10

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	20200805.exe
1876	20200805.exe

AgentTesla Payload 7 IoCs

keylogger stealer

resource	yara_rule
behavioral1/memory/1876-2-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1876-2-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1876-3-0x00000000004458BE-mapping.dmp	agent_tesla
behavioral1/memory/1876-4-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1876-4-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1876-5-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1876-5-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla

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

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1836	1432	20200805.exe	26
PID 1432 wrote to memory of 1836	1432	20200805.exe	26
PID 1432 wrote to memory of 1836	1432	20200805.exe	26
PID 1432 wrote to memory of 1836	1432	20200805.exe	26
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28
PID 1432 wrote to memory of 1876	1432	20200805.exe	28

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1432 set thread context of 1876	1432	20200805.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	20200805.exe

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
1836	schtasks.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

C:\Users\Admin\AppData\Local\Temp\20200805.exe
"C:\Users\Admin\AppData\Local\Temp\20200805.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1432
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PARjIYyG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6798.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1836
- C:\Users\Admin\AppData\Local\Temp\20200805.exe
  "C:\Users\Admin\AppData\Local\Temp\20200805.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1876