agenttesla | 683fcdb3fba783c37005aa82c2a83d694e21326d11c3c3ce2a4ee9815c23638b

General

Target
blessed.exe
Size 617KB
Sample220606-p3284agcd3
SHA256 683fcdb3fba783c37005aa82c2a83d694e21326d11c3c3ce2a4ee9815c23638b
MD5 4a4538eb78690334340b3763e5beecb4
SHA1 d07f83ca617760e4cc21ea5618672b182ea4e867
SHA512 98914badd2a8ba1c037a71a3ff79cc340aaf857f464be773d5e19a52076e3cbe55a514f09573eba1e20ff1fd81a9852f19fdd5b72cecd5c0deaa7729745ea2a1
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.speedlineug.com
Port
587
Username
[email protected]
Password
Speedline555

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.speedlineug.com
Port
587
Username
[email protected]
Password
Speedline555
Email to
[email protected]

Signatures

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	blessed.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	blessed.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	blessed.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	blessed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5068 set thread context of 3752	5068	blessed.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3752	blessed.exe
3752	blessed.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3752	blessed.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89
PID 5068 wrote to memory of 3752	5068	blessed.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	blessed.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	blessed.exe

C:\Users\Admin\AppData\Local\Temp\blessed.exe
"C:\Users\Admin\AppData\Local\Temp\blessed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Users\Admin\AppData\Local\Temp\blessed.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3752-136-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/3752-137-0x0000000006580000-0x00000000065E6000-memory.dmp

Download

memory/3752-138-0x0000000006CD0000-0x0000000006D20000-memory.dmp

Download

memory/5068-130-0x00000000000A0000-0x0000000000140000-memory.dmp

Download

memory/5068-131-0x0000000004FC0000-0x0000000005564000-memory.dmp

Download

memory/5068-132-0x0000000004AF0000-0x0000000004B82000-memory.dmp

Download

memory/5068-133-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

Download

memory/5068-134-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads