agenttesla | c7b61308aa3ad9f3ac1d3da335b4dbda67bc4878d25162c222e631b18ffe5f7a

General

Target

f866deba3b9e2c4a0edacc515492f84b.exe
Size

398KB
MD5

f866deba3b9e2c4a0edacc515492f84b
SHA1

433c19c056b5620baa3b031b183aa08d91017ebf
SHA256

c7b61308aa3ad9f3ac1d3da335b4dbda67bc4878d25162c222e631b18ffe5f7a
SHA512

04486d1033fa50bc62ea9f4f262ed7dfc4c9c661b9bbfe8b873caf18518b84e6b8e3acbac40e709958cc60a918510f97ba2d2acb2836943780ffd931bc07a3ff

Score

10^/10

persistence spyware keylogger trojan stealer agenttesla

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
info@alfamerdane.com
Password:
a173509info

Signatures

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

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f866deba3b9e2c4a0edacc515492f84b.exe

description	pid	process	target process
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe
PID 2920 wrote to memory of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f866deba3b9e2c4a0edacc515492f84b.exe

description pid process

Token: SeDebugPrivilege 3792 f866deba3b9e2c4a0edacc515492f84b.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

f866deba3b9e2c4a0edacc515492f84b.exe

pid process

3792 f866deba3b9e2c4a0edacc515492f84b.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
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Suspicious use of SetThreadContext 1 IoCs

Processes:

f866deba3b9e2c4a0edacc515492f84b.exe

description pid process target process

PID 2920 set thread context of 3792 2920 f866deba3b9e2c4a0edacc515492f84b.exe f866deba3b9e2c4a0edacc515492f84b.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f866deba3b9e2c4a0edacc515492f84b.exe

pid process

3792 f866deba3b9e2c4a0edacc515492f84b.exe
3792 f866deba3b9e2c4a0edacc515492f84b.exe

description	pid	process
Token: SeDebugPrivilege	3792	f866deba3b9e2c4a0edacc515492f84b.exe

pid	process
3792	f866deba3b9e2c4a0edacc515492f84b.exe

description	pid	process	target process
PID 2920 set thread context of 3792	2920	f866deba3b9e2c4a0edacc515492f84b.exe	f866deba3b9e2c4a0edacc515492f84b.exe

pid	process
3792	f866deba3b9e2c4a0edacc515492f84b.exe
3792	f866deba3b9e2c4a0edacc515492f84b.exe

Adds Run entry to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f866deba3b9e2c4a0edacc515492f84b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	f866deba3b9e2c4a0edacc515492f84b.exe

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

C:\Users\Admin\AppData\Local\Temp\f866deba3b9e2c4a0edacc515492f84b.exe
"C:\Users\Admin\AppData\Local\Temp\f866deba3b9e2c4a0edacc515492f84b.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:2920

C:\Users\Admin\AppData\Local\Temp\f866deba3b9e2c4a0edacc515492f84b.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: RenamesItself
- Suspicious behavior: EnumeratesProcesses
- Adds Run entry to start application
PID:3792

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f866deba3b9e2c4a0edacc515492f84b.exe.log

Download Submit
memory/3792-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3792-1-0x0000000000447A0E-mapping.dmp

Download

Analysis

Sharing