agenttesla | 20e17f5f5b13e91bc4e89d33704009fe6126d7a09da43365dfd264351fb2b65b

General

Target

INV01.exe
Size

440KB
MD5

b9743458d1fc6404f135ad3316f174b9
SHA1

1df0673acc0e37439031915478b2ae8817fbd478
SHA256

d31acad1f441efed4a4cef4782ff79cce51d37a1e78b8a9af72c484326e5fd01
SHA512

71b07f3b916cb60a4f7186420e1daa42616f2bc1e60679ed00d53e832dbc23d5b2b12ec9c96d894269fe366223855d656c240c0093d8a27e98f16fd49f307889

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.nedtek.com.au/
Port:
21
Username:
[email protected]
Password:
philomina1234567890

Protocol: ftp
Host:
ftp://ftp.nedtek.com.au/
Port:
21
Username:
[email protected]
Password:
philomina1234567890

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1120-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1120-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1120-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1120-64-0x000000000044C52E-mapping.dmp	family_agenttesla
behavioral1/memory/1120-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1120-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_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
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:

INV01.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV01.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV01.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV01.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INV01.exe

description pid process target process

PID 1444 set thread context of 1120 1444 INV01.exe INV01.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1800 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

INV01.exe

pid process

1120 INV01.exe
1120 INV01.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INV01.exe

description pid process

Token: SeDebugPrivilege 1120 INV01.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INV01.exe

pid process

1120 INV01.exe

description	pid	process	target process
PID 1444 set thread context of 1120	1444	INV01.exe	INV01.exe

pid	process
1800	schtasks.exe

pid	process
1120	INV01.exe
1120	INV01.exe

description	pid	process
Token: SeDebugPrivilege	1120	INV01.exe

pid	process
1120	INV01.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

INV01.exeINV01.exe

description	pid	process	target process
PID 1444 wrote to memory of 1800	1444	INV01.exe	schtasks.exe
PID 1444 wrote to memory of 1800	1444	INV01.exe	schtasks.exe
PID 1444 wrote to memory of 1800	1444	INV01.exe	schtasks.exe
PID 1444 wrote to memory of 1800	1444	INV01.exe	schtasks.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1444 wrote to memory of 1120	1444	INV01.exe	INV01.exe
PID 1120 wrote to memory of 1696	1120	INV01.exe	netsh.exe
PID 1120 wrote to memory of 1696	1120	INV01.exe	netsh.exe
PID 1120 wrote to memory of 1696	1120	INV01.exe	netsh.exe
PID 1120 wrote to memory of 1696	1120	INV01.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

INV01.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV01.exe

outlook_win_path 1 IoCs

Processes:

INV01.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV01.exe

C:\Users\Admin\AppData\Local\Temp\INV01.exe
"C:\Users\Admin\AppData\Local\Temp\INV01.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WCzIUAlb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7D7.tmp"
2⤵
- Creates scheduled task(s)
PID:1800

C:\Users\Admin\AppData\Local\Temp\INV01.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1120

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1696

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF7D7.tmp
Filesize
1KB

MD5
e8bfe2f2829b50ca04d5acad633a9c9b

SHA1
d9329e0618cc96fd3aa55cc34b6f08cdda4abc26

SHA256
2db20cdbd7382155edd326339b31553454710e767575b5728837add5e2080b07

SHA512
7943c7582089f04b45c2bcb2d2a8c4e1f001e630e43c456c1d20bc4b3db20e1d44d7b5690ec7ba18c33fe9ff077bd3bda12b43f53bc9fc4076bdadbf88be83f7

Download Submit
memory/1120-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-64-0x000000000044C52E-mapping.dmp

Download
memory/1120-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1120-70-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1444-55-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1444-54-0x0000000076431000-0x0000000076433000-memory.dmp

Filesize
8KB

Download
memory/1696-71-0x0000000000000000-mapping.dmp

Download
memory/1800-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads