agenttesla | f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593

General

Target

f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe
Size

14KB
MD5

716c27c08649ad5319ef1c41950c1c82
SHA1

a6ea541cf0cbb41550dcde53b3da372f16c31652
SHA256

f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593
SHA512

f7bcb38737514e0d335ea3d7db8a172e077ad00825740b4e54dedb42fcdc135456981ce2774c9b328809cb28a83b5efe9a281f40b641af1985ed3d2493b0b40e
SSDEEP

384:QqZ14rOq8oLxRLNrqNXjLgL8lLhBN2F3T:QiCCcxFkXk2LhBN03T

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6184846740:AAFy48QnJEpbqT9DY_xx392kz1tH5_khlWo/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
42	api.ipify.org
43	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5108	RegAsm.exe
5108	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe
Token: SeDebugPrivilege	5108	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89
PID 2400 wrote to memory of 5108	2400	f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe
"C:\Users\Admin\AppData\Local\Temp\f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  #cmd
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2400-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2400-1-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/2400-2-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/2400-0-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-9-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/5108-6-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-7-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/5108-8-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/5108-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5108-10-0x0000000006390000-0x00000000063E0000-memory.dmp

Filesize
320KB

Download
memory/5108-11-0x00000000065B0000-0x0000000006772000-memory.dmp

Filesize
1.8MB

Download
memory/5108-21-0x0000000006480000-0x000000000651C000-memory.dmp

Filesize
624KB

Download
memory/5108-22-0x0000000006820000-0x00000000068B2000-memory.dmp

Filesize
584KB

Download
memory/5108-23-0x0000000006580000-0x000000000658A000-memory.dmp

Filesize
40KB

Download
memory/5108-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-25-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download

Analysis

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