agenttesla | c964743f18f47032f7b0cbfa7467b310927bb44813bd7861d4c85d55d6f34590

General

Target

MT 103.exe
Size

615KB
MD5

4672f4c82e362f8fa602a273b82b2d2c
SHA1

870e7f55eeb4caf63422e8260e25bbda34cbb4d5
SHA256

c964743f18f47032f7b0cbfa7467b310927bb44813bd7861d4c85d55d6f34590
SHA512

14444e0a52543742f683b0f139d6a1fbbafdbc301275383ffe8b2976e16a0ecf6be25db58e331fac20685de991e40b8dca59eb04ca859b6fbdfc3b6fcb8e0f18

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
Password@123456789

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/1664-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1664-9-0x000000000043748E-mapping.dmp	family_agenttesla
behavioral1/memory/1664-11-0x0000000000400000-0x000000000043C000-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:

MT 103.exe

description pid process target process

PID 1272 set thread context of 1664 1272 MT 103.exe MT 103.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MT 103.exe

pid process

1664 MT 103.exe
1664 MT 103.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MT 103.exe

description pid process

Token: SeDebugPrivilege 1664 MT 103.exe

description	pid	process	target process
PID 1272 set thread context of 1664	1272	MT 103.exe	MT 103.exe

pid	process
1664	MT 103.exe
1664	MT 103.exe

description	pid	process
Token: SeDebugPrivilege	1664	MT 103.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

MT 103.exe

description	pid	process	target process
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe
PID 1272 wrote to memory of 1664	1272	MT 103.exe	MT 103.exe

C:\Users\Admin\AppData\Local\Temp\MT 103.exe
"C:\Users\Admin\AppData\Local\Temp\MT 103.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1272

C:\Users\Admin\AppData\Local\Temp\MT 103.exe
"C:\Users\Admin\AppData\Local\Temp\MT 103.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1664

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/1272-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/1272-3-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/1272-5-0x0000000000480000-0x0000000000483000-memory.dmp

Filesize
12KB

Download
memory/1272-6-0x0000000004390000-0x0000000004391000-memory.dmp

Filesize
4KB

Download
memory/1272-7-0x00000000043D0000-0x0000000004439000-memory.dmp

Filesize
420KB

Download
memory/1664-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1664-9-0x000000000043748E-mapping.dmp

Download
memory/1664-10-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/1664-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1664-13-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/1664-14-0x0000000004BB1000-0x0000000004BB2000-memory.dmp

Filesize
4KB

Download

Analysis

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