agenttesla | 74b74a44654abaa50f6934f63c28638d38891bedd5a349b4baf8ac8602ce6f0e

Analysis

max time kernel
298s
max time network
277s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/05/2026, 09:24

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General

Target
msedge_elf.dll
Size 1.6MB
Sample260504-lc2yvsft61
SHA256 74b74a44654abaa50f6934f63c28638d38891bedd5a349b4baf8ac8602ce6f0e
MD5 27eb99ed934ded69b5e87722fc47fbc7
SHA1 fc9bf62e8104faa57b727dbc0238f294cc040f17
SHA512 52a1b2715636eac30649e0ce54e232f64c9e523ad1326c23b04949a11de418f977ac5603435374eed1e227b84393b837ce3e7a70c4054a2523c2947659ec0c72
SSDEEP 49152:uDqHKWOMUqQnxAm1On1DYJBKg376OfI/7Wl:F8AmU1DYJBKg376OfI/7Wl
TLSH
T18A85BF69B3D82299E567DA39DB11A323D1B278124772F0CF0A9A13091FB7ED15B3B701
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.onionmail.org
Port
587
Username
[email protected]
Password
sendboxorigin12
Email to
[email protected]

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5520 set thread context of 5768	5520	rundll32.exe	78

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	jsc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1072	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5520 wrote to memory of 5768	5520	rundll32.exe	78
PID 5520 wrote to memory of 5768	5520	rundll32.exe	78
PID 5520 wrote to memory of 5768	5520	rundll32.exe	78
PID 5520 wrote to memory of 5768	5520	rundll32.exe	78
PID 5520 wrote to memory of 5768	5520	rundll32.exe	78
PID 5520 wrote to memory of 1072	5520	rundll32.exe	79

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msedge_elf.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5768
- C:\Windows\system32\schtasks.exe
  "schtasks.exe" /Create /SC ONLOGON /TN RasManagement /TR "C:\Windows\system32\rundll32.exe" /RU "" /RL HIGHEST /F
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1072

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe
1⤵
PID:6024

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5768-0-0x0000000000710000-0x0000000000752000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads