agenttesla | 70adcf8ee223dbe448d85361bb3c3c94d906fd176ceb172e6edaa45d25209e3e

Analysis

max time kernel
126s
max time network
122s
platform
windows10_x64
resource
win10v200722
submitted
18/08/2020, 18:51

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General

Target
purchase order.exe
Size 685KB
Sample200818-23v887af12
SHA256 70adcf8ee223dbe448d85361bb3c3c94d906fd176ceb172e6edaa45d25209e3e
MD5 a1f3a49223b8d5c4d78abb73e433268d
SHA1 5e6810239685122ff94fdfc3d56966a5b0c1a979
SHA512 71735845ef7180f374d14d343182f38576baf03ea187efcc5efd04e88f0e5ced440a90f3b6bda362fefaa56983d2868e6fa314909f3ed3c09643db95f58d7555
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer trojan spyware agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.bro-world.com
Port
587
Username
[email protected]
Password
$Tan5DN2h-0

Signatures

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/2348-0-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/2348-0-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/2348-1-0x000000000046136E-mapping.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 3908 set thread context of 2348	3908	purchase order.exe	72

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2348	purchase order.exe
2348	purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	purchase order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2348	purchase order.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72
PID 3908 wrote to memory of 2348	3908	purchase order.exe	72

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Users\Admin\AppData\Local\Temp\purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2348

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2348-0-0x0000000000400000-0x0000000000466000-memory.dmp

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