agenttesla | 6dfcd16fd49c65c541603ff162b0614aabfc70548455b21c3877240855df12c8

General

Target
Original Documents.exe
Size 577KB
Sample200818-yjlbkhppca
SHA256 6dfcd16fd49c65c541603ff162b0614aabfc70548455b21c3877240855df12c8
MD5 8602a6954f5d946c598de0fcc65be242
SHA1 816fe2d91a77c1654ea98b9136671b6ce1c14d97
SHA512 95484e20e3ab7daec161ef93739f5834dffec08d5df2d3c119bee8ab35ac39e66f03f5a31a5eb74be6ac075f34f21b0a6fe8a5f384ec83ee36626c5a7ee20e54
MD5 SHA1 SHA512

Score

10^/10

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

AgentTesla Payload 7 IoCs

keylogger stealer

resource	yara_rule
behavioral1/memory/1836-50-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral1/memory/1836-50-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral1/memory/1836-51-0x000000000046141E-mapping.dmp	agent_tesla
behavioral1/memory/1836-54-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral1/memory/1836-54-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral1/memory/1836-53-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral1/memory/1836-53-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla

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 1492 set thread context of 1836	1492	Original Documents.exe	26

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
1888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	Original Documents.exe
Token: SeDebugPrivilege	1836	Original Documents.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1888	1492	Original Documents.exe	24
PID 1492 wrote to memory of 1888	1492	Original Documents.exe	24
PID 1492 wrote to memory of 1888	1492	Original Documents.exe	24
PID 1492 wrote to memory of 1888	1492	Original Documents.exe	24
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26
PID 1492 wrote to memory of 1836	1492	Original Documents.exe	26

C:\Users\Admin\AppData\Local\Temp\Original Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Original Documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gkOZktm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB4CD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1888
- C:\Users\Admin\AppData\Local\Temp\Original Documents.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1836