agenttesla | 49bc785cf04abebdb47fc3a0a15ea4d4185e19f83dcd1bda4e1d382a31e3742f

General

Target

JUST1F1CANTE.exe
Size

696KB
MD5

495d57b02cc54aa1b0c3c907891671ad
SHA1

d467d32c1df44c406b362314f88c2e83b31cbf99
SHA256

49bc785cf04abebdb47fc3a0a15ea4d4185e19f83dcd1bda4e1d382a31e3742f
SHA512

52c442b48b0a2148f7f9752a64ef9beefad0a4c3bf689a14a20af16619ee6841eb934274da2294297cc54b72eb700d04bd6d9ec3f8d12f69fa7ffb631d40d8a7

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ionos.es
Port:
587
Username:
iruz@fuel-energy.com
Password:
9p9aB43$

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4184-3-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4184-4-0x00000000004374CE-mapping.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:

JUST1F1CANTE.exe

description pid process target process

PID 4652 set thread context of 4184 4652 JUST1F1CANTE.exe JUST1F1CANTE.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

JUST1F1CANTE.exe

pid process

4184 JUST1F1CANTE.exe
4184 JUST1F1CANTE.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

JUST1F1CANTE.exe

description pid process

Token: SeDebugPrivilege 4184 JUST1F1CANTE.exe

description	pid	process	target process
PID 4652 set thread context of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe

pid	process
4184	JUST1F1CANTE.exe
4184	JUST1F1CANTE.exe

description	pid	process
Token: SeDebugPrivilege	4184	JUST1F1CANTE.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

JUST1F1CANTE.exe

description	pid	process	target process
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe
PID 4652 wrote to memory of 4184	4652	JUST1F1CANTE.exe	JUST1F1CANTE.exe

C:\Users\Admin\AppData\Local\Temp\JUST1F1CANTE.exe
"C:\Users\Admin\AppData\Local\Temp\JUST1F1CANTE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4652

C:\Users\Admin\AppData\Local\Temp\JUST1F1CANTE.exe
"C:\Users\Admin\AppData\Local\Temp\JUST1F1CANTE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4184

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\JUST1F1CANTE.exe.log
MD5
2004111a6d19b415cfdebc8238bd4f57

SHA1
413d4838d93a9136bbeea358a8ab519f47d003a6

SHA256
5ffdbafa2c3fd1dbe9aff106cc0178a16ee1d0af5ebab89f4753384eafd2ab69

SHA512
97bed46f3adace8cafe59c6616befe9c28444ac5276965478a382f2a38f3da8a849406a38dc683003f03a663c7b9dd03e4e52b9605455a9accae7177f49e1d5e

Download Submit
memory/4184-3-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4184-4-0x00000000004374CE-mapping.dmp

Download
memory/4184-7-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/4184-8-0x0000000001081000-0x0000000001082000-memory.dmp

Filesize
4KB

Download
memory/4184-9-0x0000000001082000-0x0000000001083000-memory.dmp

Filesize
4KB

Download
memory/4652-2-0x00000000017F0000-0x00000000017F1000-memory.dmp

Filesize
4KB

Download
memory/4652-6-0x00000000017F1000-0x00000000017F2000-memory.dmp

Filesize
4KB

Download

Analysis

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