agenttesla | b9457b508677dbfe250a6a41a890d921e9bdcab9c8112bd86837d2eecff05f4b

General

Target

ENQUIRY.exe
Size

1.3MB
MD5

b7678d22e54d1c21181a9c4dee044ee9
SHA1

9c3099c3f24da080cea26ed6bebef8f2f7a0491c
SHA256

b9457b508677dbfe250a6a41a890d921e9bdcab9c8112bd86837d2eecff05f4b
SHA512

73325a18a2b63114c4ee1efb8fa32084ad2777190bf9229deb19978a0b1c1a33baaee24c2b2c4bfe0060eaedf427361dbbb2591f7c221e69256916bc95744eb0

Score

10^/10

spyware keylogger trojan stealer agenttesla

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.sarniotex.com
Port:
587
Username:
millions@sarniotex.com
Password:
dL@KoFb6

Signatures

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ENQUIRY.execmd.exe

description	pid	process	target process
PID 896 wrote to memory of 1596	896	ENQUIRY.exe	MSBuild.exe
PID 896 wrote to memory of 1596	896	ENQUIRY.exe	MSBuild.exe
PID 896 wrote to memory of 1596	896	ENQUIRY.exe	MSBuild.exe
PID 896 wrote to memory of 1596	896	ENQUIRY.exe	MSBuild.exe
PID 896 wrote to memory of 1596	896	ENQUIRY.exe	MSBuild.exe
PID 896 wrote to memory of 1916	896	ENQUIRY.exe	cmd.exe
PID 896 wrote to memory of 1916	896	ENQUIRY.exe	cmd.exe
PID 896 wrote to memory of 1916	896	ENQUIRY.exe	cmd.exe
PID 1916 wrote to memory of 2124	1916	cmd.exe	timeout.exe
PID 1916 wrote to memory of 2124	1916	cmd.exe	timeout.exe
PID 1916 wrote to memory of 2124	1916	cmd.exe	timeout.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1596 MSBuild.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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2124 timeout.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 FindShellTrayWindow 3 IoCs

Processes:

ENQUIRY.exe

pid process

896 ENQUIRY.exe
896 ENQUIRY.exe
896 ENQUIRY.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

ENQUIRY.exe

pid process

896 ENQUIRY.exe
896 ENQUIRY.exe
896 ENQUIRY.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ENQUIRY.exe

description pid process target process

PID 896 set thread context of 1596 896 ENQUIRY.exe MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1596 MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1596 MSBuild.exe
1596 MSBuild.exe
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

pid	process
1596	MSBuild.exe

pid	process
2124	timeout.exe

pid	process
896	ENQUIRY.exe
896	ENQUIRY.exe
896	ENQUIRY.exe

pid	process
896	ENQUIRY.exe
896	ENQUIRY.exe
896	ENQUIRY.exe

description	pid	process	target process
PID 896 set thread context of 1596	896	ENQUIRY.exe	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1596	MSBuild.exe

pid	process
1596	MSBuild.exe
1596	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe
"C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetThreadContext
PID:896

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1596

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\timeout.exe
TimeOut 1
3⤵
- Delays execution with timeout.exe
PID:2124

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1596-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1596-2-0x0000000000446B2E-mapping.dmp

Download
memory/1916-3-0x0000000000000000-mapping.dmp

Download
memory/2124-4-0x0000000000000000-mapping.dmp

Download

Analysis

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