agenttesla | 6fae5955bfeac6e762f65fabedb2be2fdcd385347e6b9db19825096ee2ebd9a1

General

Target

YdvJnnnDX0FUKjI.exe
Size

290KB
MD5

1795c0e7a5c67752a3e13c5a0f6ce9af
SHA1

509635b13636a2b0dc5308270fbabfdfa4e0a020
SHA256

6fae5955bfeac6e762f65fabedb2be2fdcd385347e6b9db19825096ee2ebd9a1
SHA512

ed7384717a3c6c63b53188b73a46c57058f4bd327c14fb11f23ae7e8c42cf7f63a7e0aef6914cc08301b4615d3f3d9d87c56037a37e4e57269e63703d53683d2

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.arhigraf.ro
Port:
587
Username:
[email protected]
Password:
kH~2kU(;kEtR

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/604-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/604-3-0x000000000044694E-mapping.dmp	family_agenttesla
behavioral1/memory/604-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/604-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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 316 set thread context of 604	316	YdvJnnnDX0FUKjI.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
604	YdvJnnnDX0FUKjI.exe
604	YdvJnnnDX0FUKjI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	604	YdvJnnnDX0FUKjI.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24
PID 316 wrote to memory of 604	316	YdvJnnnDX0FUKjI.exe	24

C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe
"C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/604-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/604-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/604-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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