agenttesla | e29ed68650a1b8e6f9b1a571093d48154cf0101107f51f77138244aaeba6990f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 01:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MidlrtMd.dll
Size

2.9MB
MD5

df9c641b90e075383731dbeb08609f41
SHA1

977001da82781989044267c68f8e630faacbb6ed
SHA256

0c55f9e6f367fa093d4447d1dfef3911e702eb4d9ff4c3879783cd91253be422
SHA512

153da28f59509c14cd80e89b150bcbd277ea6c93e6b7e60f13f29ddeb2270116300ed9eb79ba46b1ace04ea88e6e6aca04da143a124ee433b5270668980fa311
SSDEEP

49152:UJ5cxuOV/38UsrN0EEToH+N9uXJdGSGz1bokAKwls:ezPrGyJd

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.transotraval.cl
Port:
21
Username:
[email protected]
Password:
vIZ2P]dt&a!d

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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2484 set thread context of 2756	2484	rundll32.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2756	regasm.exe
2756	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2532	2484	rundll32.exe	30
PID 2484 wrote to memory of 2532	2484	rundll32.exe	30
PID 2484 wrote to memory of 2532	2484	rundll32.exe	30
PID 2484 wrote to memory of 2532	2484	rundll32.exe	30
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31
PID 2484 wrote to memory of 2756	2484	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MidlrtMd.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2532
- 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:2756

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

Loading Replay Monitor...

Downloads

memory/2756-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download