agenttesla | e38ccf1e063def469086780d196f6810bd63d0bb09f0cf6d1caae9e537c398a6

Analysis

max time kernel
29s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2025, 19:46

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General

Target

BastianHein Malware samples/AgentTesla/9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe
Size

2.5MB
MD5

70de418c59709a8703cb46deee36bde6
SHA1

69ca92a03fc7d986f686c0acafc51dcf515c2f7c
SHA256

9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536
SHA512

cbeedd7aa302b1db4de7608f8f0c35aec37c38421979b6ae43eb759e13129b1e5343e343ebe0910cb8290fb91200a91fd7796a61aaac9e09c271dbdc352ca315
SSDEEP

49152:1bdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3AlO3mMM7aApu6:FdrWdrrdrAdr1drlA3AaAtAgu7au

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.controlfire.com.mx
Port:
21
Username:
[email protected]
Password:
0a4XlE=4t8mz

Signatures

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
24	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 116	3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe	87

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	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
116	regasm.exe
116	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 116	3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe	87
PID 3988 wrote to memory of 116	3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe	87
PID 3988 wrote to memory of 116	3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe	87
PID 3988 wrote to memory of 116	3988	9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe	87

C:\Users\Admin\AppData\Local\Temp\BastianHein Malware samples\AgentTesla\9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe
"C:\Users\Admin\AppData\Local\Temp\BastianHein Malware samples\AgentTesla\9da74e41306059077f155debea5f44a5969e79297c9de44a4e355e4bb68b0536.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:116

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

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/116-37-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download
memory/116-31-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/116-42-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download
memory/116-41-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/116-40-0x0000000006AF0000-0x0000000006AFA000-memory.dmp

Filesize
40KB

Download
memory/116-39-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

Filesize
320KB

Download
memory/116-30-0x0000000077242000-0x0000000077243000-memory.dmp

Filesize
4KB

Download
memory/116-38-0x0000000006B00000-0x0000000006B92000-memory.dmp

Filesize
584KB

Download
memory/116-36-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/116-28-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/116-34-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/116-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/116-32-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/3988-35-0x000000006F8E0000-0x000000006FB57000-memory.dmp

Filesize
2.5MB

Download
memory/3988-10-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/3988-3-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/3988-27-0x000000006F8E0000-0x000000006FB57000-memory.dmp

Filesize
2.5MB

Download
memory/3988-23-0x000000006F8E0000-0x000000006FB57000-memory.dmp

Filesize
2.5MB

Download
memory/3988-2-0x0000000077242000-0x0000000077243000-memory.dmp

Filesize
4KB

Download
memory/3988-9-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/3988-11-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/3988-13-0x000000006F8E0000-0x000000006FB57000-memory.dmp

Filesize
2.5MB

Download
memory/3988-12-0x000000006F8E9000-0x000000006F8EA000-memory.dmp

Filesize
4KB

Download
memory/3988-8-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download