agenttesla | 5933116f79096a5ba2c4b292e4e6636e58eaae540620bb4368548280f16f3428

General

Target

Transfer confirmation..exe
Size

574KB
MD5

b250362001c85e727f8c927beb0acf78
SHA1

4c66d5556f9b358a4179f954db1a03603708f6e2
SHA256

5933116f79096a5ba2c4b292e4e6636e58eaae540620bb4368548280f16f3428
SHA512

b6b9469377b8b22b8f9a25ddb7e453a85a08e558805164a577d657d61e5629d495e319b1cd505b598ecefc6e3346fc6fbb20519bfaefe4db7f5886fd34d88418

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.waltartosto.com
Port:
587
Username:
[email protected]
Password:
eukwE%p8

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1892-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1892-3-0x000000000044727E-mapping.dmp	family_agenttesla
behavioral1/memory/1892-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1892-5-0x0000000000400000-0x000000000044C000-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

Processes:

Transfer confirmation..exe

description pid process target process

PID 896 set thread context of 1892 896 Transfer confirmation..exe Transfer confirmation..exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Transfer confirmation..exe

pid process

1892 Transfer confirmation..exe
1892 Transfer confirmation..exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Transfer confirmation..exe

description pid process

Token: SeDebugPrivilege 1892 Transfer confirmation..exe

description	pid	process	target process
PID 896 set thread context of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe

pid	process
1892	Transfer confirmation..exe
1892	Transfer confirmation..exe

description	pid	process
Token: SeDebugPrivilege	1892	Transfer confirmation..exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Transfer confirmation..exe

description	pid	process	target process
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe
PID 896 wrote to memory of 1892	896	Transfer confirmation..exe	Transfer confirmation..exe

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

C:\Users\Admin\AppData\Local\Temp\Transfer confirmation..exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892

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/896-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1892-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-3-0x000000000044727E-mapping.dmp

Download
memory/1892-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1892-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing