agenttesla | 7ad5f3508b81721b131500d8ff7d58f8d61605bb9a7da02e993882c38fa790fe

General

Target

1826ed782d8e1c75f78af11d0b6f4aa8.exe
Size

350KB
MD5

1826ed782d8e1c75f78af11d0b6f4aa8
SHA1

a89ec7b3043788631ea7bc020d25f8b04cbef04b
SHA256

7ad5f3508b81721b131500d8ff7d58f8d61605bb9a7da02e993882c38fa790fe
SHA512

fccc0d17805126c2caf183b7a50e11ee6433862fcacad48cdb8d2655f0a3046364a872f82f78d0adeaa0a1412e73b64ef438f64403a8135bb3e45a0ace244403

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
polar.argondns.net
Port:
587
Username:
[email protected]
Password:
]4&w8LUz9*LT

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1704-6-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1704-7-0x00000000004374BE-mapping.dmp	family_agenttesla
behavioral1/memory/1704-9-0x0000000000400000-0x000000000043C000-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:

1826ed782d8e1c75f78af11d0b6f4aa8.exe

description pid process target process

PID 1668 set thread context of 1704 1668 1826ed782d8e1c75f78af11d0b6f4aa8.exe 1826ed782d8e1c75f78af11d0b6f4aa8.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1826ed782d8e1c75f78af11d0b6f4aa8.exe

pid process

1704 1826ed782d8e1c75f78af11d0b6f4aa8.exe
1704 1826ed782d8e1c75f78af11d0b6f4aa8.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1826ed782d8e1c75f78af11d0b6f4aa8.exe1826ed782d8e1c75f78af11d0b6f4aa8.exe

description pid process

Token: SeDebugPrivilege 1668 1826ed782d8e1c75f78af11d0b6f4aa8.exe
Token: SeDebugPrivilege 1704 1826ed782d8e1c75f78af11d0b6f4aa8.exe

description	pid	process	target process
PID 1668 set thread context of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe

pid	process
1704	1826ed782d8e1c75f78af11d0b6f4aa8.exe
1704	1826ed782d8e1c75f78af11d0b6f4aa8.exe

description	pid	process
Token: SeDebugPrivilege	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe
Token: SeDebugPrivilege	1704	1826ed782d8e1c75f78af11d0b6f4aa8.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1826ed782d8e1c75f78af11d0b6f4aa8.exe

description	pid	process	target process
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe
PID 1668 wrote to memory of 1704	1668	1826ed782d8e1c75f78af11d0b6f4aa8.exe	1826ed782d8e1c75f78af11d0b6f4aa8.exe

C:\Users\Admin\AppData\Local\Temp\1826ed782d8e1c75f78af11d0b6f4aa8.exe
"C:\Users\Admin\AppData\Local\Temp\1826ed782d8e1c75f78af11d0b6f4aa8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\1826ed782d8e1c75f78af11d0b6f4aa8.exe
"C:\Users\Admin\AppData\Local\Temp\1826ed782d8e1c75f78af11d0b6f4aa8.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1704

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/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-3-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1668-4-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/1668-5-0x00000000006A0000-0x00000000006DE000-memory.dmp

Filesize
248KB

Download
memory/1704-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1704-7-0x00000000004374BE-mapping.dmp

Download
memory/1704-8-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1704-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1704-11-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1704-12-0x0000000000361000-0x0000000000362000-memory.dmp

Filesize
4KB

Download

Analysis

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