agenttesla | 3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624

General

Target

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
Size

868KB
MD5

2ee1b13c5fda8793a1e49f301dbbc0d2
SHA1

14e6c23aadeaaadcd730d1fa360f0e27940f0184
SHA256

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624
SHA512

493d0b189220b7a1f1b1b5e828ef809c39f0436f45ee6bd5ae5e318b130c5881264ab1c12f3292af7ecdcb11ce10a1183be69541a2592fcfe8183c6b22693a75

Score

10^/10

agenttesla agilenet collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla Payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1768-54-0x0000000000220000-0x0000000000300000-memory.dmp	family_agenttesla
behavioral1/memory/1664-61-0x0000000000080000-0x00000000000E6000-memory.dmp	family_agenttesla
behavioral1/memory/1664-62-0x0000000000080000-0x00000000000E6000-memory.dmp	family_agenttesla
behavioral1/memory/1664-64-0x00000000004619FE-mapping.dmp	family_agenttesla
behavioral1/memory/1664-66-0x0000000000080000-0x00000000000E6000-memory.dmp	family_agenttesla
behavioral1/memory/1664-65-0x0000000000080000-0x00000000000E6000-memory.dmp	family_agenttesla
behavioral1/memory/1664-70-0x0000000000080000-0x00000000000E6000-memory.dmp	family_agenttesla
behavioral1/memory/1664-73-0x0000000000080000-0x00000000000E6000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1768-56-0x0000000000360000-0x0000000000370000-memory.dmp	agile_net

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

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\SkWSmu = "C:\\Users\\Admin\\AppData\\Roaming\\SkWSmu\\SkWSmu.exe"	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	pid	process	target process
PID 1768 set thread context of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

pid	process
1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
1664	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
1664	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	pid	process
Token: SeDebugPrivilege	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
Token: SeDebugPrivilege	1664	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

pid process

1664 3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

pid	process
1664	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	pid	process	target process
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
PID 1768 wrote to memory of 1664	1768	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

outlook_office_path 1 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

outlook_win_path 1 IoCs

Processes:

3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe

C:\Users\Admin\AppData\Local\Temp\3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
"C:\Users\Admin\AppData\Local\Temp\3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe
"C:\Users\Admin\AppData\Local\Temp\3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1664

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1664-66-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-58-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-59-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-61-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-62-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-64-0x00000000004619FE-mapping.dmp

Download
memory/1664-65-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-70-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1664-73-0x0000000000080000-0x00000000000E6000-memory.dmp

Filesize
408KB

Download
memory/1768-55-0x0000000075C01000-0x0000000075C03000-memory.dmp

Filesize
8KB

Download
memory/1768-56-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/1768-57-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/1768-54-0x0000000000220000-0x0000000000300000-memory.dmp

Filesize
896KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads