agenttesla | 12177f9ec0c28b50c85e79ed0e7cc672e08ce334dbd3aca0a3751b89a4c6c807

General

Target
invoice33.exe
Size 520KB
Sample201109-a3vbt1rte2
SHA256 12177f9ec0c28b50c85e79ed0e7cc672e08ce334dbd3aca0a3751b89a4c6c807
MD5 e1f55a843072ed84ac05da77c75e20e3
SHA1 91c874cbd91acdb19b6ce7bbef20a425517db644
SHA512 ad5ffca2810b829073b0f0246f0f52385a8bf5928c7d9d483a8a4a306b34129c14643ddf698f1be87da5d054a9bd35b96644fdac1036c1c1d9f0032b4e7fabaa
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
originLOG123@5%

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3156-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/3156-4-0x000000000044CA1E-mapping.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\LKUgjc = "C:\\Users\\Admin\\AppData\\Roaming\\LKUgjc\\LKUgjc.exe"	invoice33.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 636 set thread context of 3156	636	invoice33.exe	75

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3156	invoice33.exe
3156	invoice33.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3156	invoice33.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 636 wrote to memory of 3156	636	invoice33.exe	75
PID 3156 wrote to memory of 2264	3156	invoice33.exe	79
PID 3156 wrote to memory of 2264	3156	invoice33.exe	79
PID 3156 wrote to memory of 2264	3156	invoice33.exe	79

C:\Users\Admin\AppData\Local\Temp\invoice33.exe
"C:\Users\Admin\AppData\Local\Temp\invoice33.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\invoice33.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3156
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:2264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/3156-3-0x0000000000400000-0x0000000000452000-memory.dmp

Download

Analysis

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