agenttesla | ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5

Analysis

max time kernel
118s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 14:58

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General

Target

ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
Size

564KB
MD5

9af10e53a3791a217cc6b0e5c5964bd0
SHA1

e069b6333a6546314b21e258907a71c532a44772
SHA256

ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5
SHA512

b0edfdc981cc62bd70a8fedaeaf4aa9992b9c45edc8975891197f7849fb625fdb421e8b9c72799403da9fae2af224c1383e7d0f254c354fd43fa0526a58a6f01
SSDEEP

12288:lfYfUlNHYh6V11ZaUNezlPZxIgLXVAVeEbH+au:lfYMPYcvj9glhxIgRiH9u

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ionos.es
Port:
587
Username:
[email protected]
Password:
SxH_8284
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
12	drive.google.com
13	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3524	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
3524	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1404 set thread context of 3524	1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3524	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
3524	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3524	1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe	84
PID 1404 wrote to memory of 3524	1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe	84
PID 1404 wrote to memory of 3524	1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe	84
PID 1404 wrote to memory of 3524	1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe	84
PID 1404 wrote to memory of 3524	1404	ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe	84

C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
"C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe
  "C:\Users\Admin\AppData\Local\Temp\ec4562d09b3edf75e64d238ee5e39d86d76d02baa1cb5b51cf81fae4420dd3e5N.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nso82DD.tmp\System.dll

Filesize
12KB

MD5
192639861e3dc2dc5c08bb8f8c7260d5

SHA1
58d30e460609e22fa0098bc27d928b689ef9af78

SHA256
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6

SHA512
6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc

Download Submit
memory/1404-11-0x0000000004230000-0x0000000005B16000-memory.dmp

Filesize
24.9MB

Download
memory/1404-12-0x0000000077121000-0x0000000077241000-memory.dmp

Filesize
1.1MB

Download
memory/1404-13-0x0000000073D75000-0x0000000073D76000-memory.dmp

Filesize
4KB

Download
memory/1404-14-0x0000000004230000-0x0000000005B16000-memory.dmp

Filesize
24.9MB

Download
memory/3524-15-0x0000000001700000-0x0000000002FE6000-memory.dmp

Filesize
24.9MB

Download
memory/3524-16-0x00000000771A8000-0x00000000771A9000-memory.dmp

Filesize
4KB

Download
memory/3524-17-0x00000000771C5000-0x00000000771C6000-memory.dmp

Filesize
4KB

Download
memory/3524-30-0x0000000001700000-0x0000000002FE6000-memory.dmp

Filesize
24.9MB

Download
memory/3524-31-0x00000000004A0000-0x00000000016F4000-memory.dmp

Filesize
18.3MB

Download
memory/3524-33-0x00000000004A0000-0x000000000050C000-memory.dmp

Filesize
432KB

Download
memory/3524-34-0x0000000035EB0000-0x0000000036454000-memory.dmp

Filesize
5.6MB

Download
memory/3524-35-0x00000000337D0000-0x0000000033836000-memory.dmp

Filesize
408KB

Download
memory/3524-37-0x0000000036590000-0x00000000365E0000-memory.dmp

Filesize
320KB

Download
memory/3524-38-0x0000000036850000-0x00000000368E2000-memory.dmp

Filesize
584KB

Download
memory/3524-39-0x0000000036630000-0x000000003663A000-memory.dmp

Filesize
40KB

Download
memory/3524-40-0x0000000077121000-0x0000000077241000-memory.dmp

Filesize
1.1MB

Download