agenttesla | 918973702e97922d932c32d86618ebd35116fb2d67a93cafd0f53a5b7b30da29

General

Target

Sample pictures.exe
Size

634KB
MD5

0580a219f7ced746a00c061bc6e9d9ae
SHA1

05a132aee9f9808600fbf1077b70b99b5215c884
SHA256

918973702e97922d932c32d86618ebd35116fb2d67a93cafd0f53a5b7b30da29
SHA512

11885891a6cf5a67e1fbe6264600c15c8474de28da25e45ca5af12cf80d24871ae0423b610af1183c269b9b5241c3e424b0f69b8bda619d87a767ce5483a5771

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
JEHOVAH8899

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/748-4-0x0000000000446D5E-mapping.dmp	family_agenttesla
behavioral1/memory/748-5-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/748-6-0x0000000000080000-0x00000000000CC000-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 1108 set thread context of 748	1108	Sample pictures.exe	24

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1108	Sample pictures.exe
1108	Sample pictures.exe
1108	Sample pictures.exe
748	Sample pictures.exe
748	Sample pictures.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	Sample pictures.exe
Token: SeDebugPrivilege	748	Sample pictures.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
748	Sample pictures.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24
PID 1108 wrote to memory of 748	1108	Sample pictures.exe	24

C:\Users\Admin\AppData\Local\Temp\Sample pictures.exe
"C:\Users\Admin\AppData\Local\Temp\Sample pictures.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Users\Admin\AppData\Local\Temp\Sample pictures.exe
  "C:\Users\Admin\AppData\Local\Temp\Sample pictures.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:748

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/748-5-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/748-6-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing