agenttesla | 8abb63de37656286d81edf0bd23002887fe9cc3eca60973810299ff25a70c3d2

General

Target

0080900000000000004.exe
Size

508KB
MD5

697e07591d78360f5544a6d5d6f7cf65
SHA1

6462fa2d20234ebe218d43126d0b3e0d407e868c
SHA256

9af31d18ef5af8d20ed75f9cc76185d119990e2adea7748c16562359a1dc3d5d
SHA512

484e69510061cd2a6a9b7188de95c2b0c8c421f09a342ae505f671aa59f08f733fbf695c3e7af390b8357be5ff678e5472ec4755ab0f63a8c7e36806d5881948

Score

10^/10

agenttesla snakebot collection keylogger snakebot spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.ionos.mx
Port:
587
Username:
lety@solar-pro.mx
Password:
lp475869

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ionos.mx
Port:
587
Username:
lety@solar-pro.mx
Password:
lp475869

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
SnakeBOT
SnakeBOT is a heavily obfuscated .NET downloader.
snakebot

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3944-138-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Contains SnakeBOT related strings 1 IoCs

snakebot

Processes:

resource	yara_rule
behavioral2/memory/3440-130-0x0000000000640000-0x00000000006C8000-memory.dmp	snakebot_strings

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0080900000000000004.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	0080900000000000004.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

Processes:

0080900000000000004.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0080900000000000004.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0080900000000000004.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0080900000000000004.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0080900000000000004.exe

description pid process target process

PID 3440 set thread context of 3944 3440 0080900000000000004.exe 0080900000000000004.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

872 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

0080900000000000004.exe

pid process

3944 0080900000000000004.exe
3944 0080900000000000004.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0080900000000000004.exe0080900000000000004.exe

description pid process

Token: SeDebugPrivilege 3440 0080900000000000004.exe
Token: SeDebugPrivilege 3944 0080900000000000004.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

0080900000000000004.exe

pid process

3440 0080900000000000004.exe
3440 0080900000000000004.exe

description	pid	process	target process
PID 3440 set thread context of 3944	3440	0080900000000000004.exe	0080900000000000004.exe

pid	process
872	schtasks.exe

pid	process
3944	0080900000000000004.exe
3944	0080900000000000004.exe

description	pid	process
Token: SeDebugPrivilege	3440	0080900000000000004.exe
Token: SeDebugPrivilege	3944	0080900000000000004.exe

pid	process
3440	0080900000000000004.exe
3440	0080900000000000004.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

0080900000000000004.exe0080900000000000004.exe

description	pid	process	target process
PID 3440 wrote to memory of 872	3440	0080900000000000004.exe	schtasks.exe
PID 3440 wrote to memory of 872	3440	0080900000000000004.exe	schtasks.exe
PID 3440 wrote to memory of 872	3440	0080900000000000004.exe	schtasks.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3440 wrote to memory of 3944	3440	0080900000000000004.exe	0080900000000000004.exe
PID 3944 wrote to memory of 1224	3944	0080900000000000004.exe	netsh.exe
PID 3944 wrote to memory of 1224	3944	0080900000000000004.exe	netsh.exe
PID 3944 wrote to memory of 1224	3944	0080900000000000004.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

0080900000000000004.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0080900000000000004.exe

outlook_win_path 1 IoCs

Processes:

0080900000000000004.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0080900000000000004.exe

C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
"C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3440

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LsoUSx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp665B.tmp"
2⤵
- Creates scheduled task(s)
PID:872

C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3944

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1224

Network

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

Query Registry

1

T1012

System Information Discovery

2

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\tmp665B.tmp
Filesize
1KB

MD5
7f96a2028a2f1d89df17b47402066b26

SHA1
ec54d1bc9bba41287d7f90bd0e8308bcd6b6ea49

SHA256
31953916152219586146518510c58c17a262eea5afc76312dcdd8c91910096c4

SHA512
8685e689d2c084c2d1b978c166fc19757e4a31b030acabe80f4613c3b875407babad642f809cae1d107b7733a36117ca1b89a73a08c1f7c5d0705d12e31e2b88

Download Submit
memory/872-135-0x0000000000000000-mapping.dmp

Download
memory/1224-140-0x0000000000000000-mapping.dmp

Download
memory/3440-130-0x0000000000640000-0x00000000006C8000-memory.dmp

Filesize
544KB

Download
memory/3440-131-0x00000000079F0000-0x0000000007F94000-memory.dmp

Filesize
5.6MB

Download
memory/3440-132-0x0000000007530000-0x00000000075C2000-memory.dmp

Filesize
584KB

Download
memory/3440-133-0x00000000076D0000-0x00000000076DA000-memory.dmp

Filesize
40KB

Download
memory/3440-134-0x0000000005000000-0x000000000509C000-memory.dmp

Filesize
624KB

Download
memory/3944-137-0x0000000000000000-mapping.dmp

Download
memory/3944-138-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3944-139-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/3944-141-0x0000000006510000-0x0000000006560000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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