agenttesla | 4d80bfab94e0ea8e1c5b8b94e5e4acf38596c01bd869a4a890fddfb3fcb046b9

General

Target

J6NLUnAQN1LMjkH.exe
Size

500KB
MD5

241387d95cea5198a87f85023de031fc
SHA1

2a2038cd20cfb2acb55bf0fb92ded52ba192b071
SHA256

a7f24f863c3e86db31552f6c91365ae54b272594ee446a5a8ab658ac42a26eae
SHA512

a03de62ca3bca0d6540e530ef6572cd330caeb9919cc7704f23bdc4f81bd94e556cc2afa2435f52e66958886057158530b279facde2a222cc51725e73bcec685

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
emmanuelmentor

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/852-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-67-0x00000000004549FE-mapping.dmp	family_agenttesla
behavioral1/memory/852-69-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-71-0x0000000000400000-0x000000000045A000-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:

J6NLUnAQN1LMjkH.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	J6NLUnAQN1LMjkH.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	J6NLUnAQN1LMjkH.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	J6NLUnAQN1LMjkH.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

J6NLUnAQN1LMjkH.exe

description pid process target process

PID 1728 set thread context of 852 1728 J6NLUnAQN1LMjkH.exe J6NLUnAQN1LMjkH.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

1568 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

J6NLUnAQN1LMjkH.exeJ6NLUnAQN1LMjkH.exe

pid process

1728 J6NLUnAQN1LMjkH.exe
852 J6NLUnAQN1LMjkH.exe
852 J6NLUnAQN1LMjkH.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

J6NLUnAQN1LMjkH.exeJ6NLUnAQN1LMjkH.exe

description pid process

Token: SeDebugPrivilege 1728 J6NLUnAQN1LMjkH.exe
Token: SeDebugPrivilege 852 J6NLUnAQN1LMjkH.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

J6NLUnAQN1LMjkH.exe

pid process

852 J6NLUnAQN1LMjkH.exe

description	pid	process	target process
PID 1728 set thread context of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe

pid	process
1568	schtasks.exe

pid	process
1728	J6NLUnAQN1LMjkH.exe
852	J6NLUnAQN1LMjkH.exe
852	J6NLUnAQN1LMjkH.exe

description	pid	process
Token: SeDebugPrivilege	1728	J6NLUnAQN1LMjkH.exe
Token: SeDebugPrivilege	852	J6NLUnAQN1LMjkH.exe

pid	process
852	J6NLUnAQN1LMjkH.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

J6NLUnAQN1LMjkH.exe

description	pid	process	target process
PID 1728 wrote to memory of 1568	1728	J6NLUnAQN1LMjkH.exe	schtasks.exe
PID 1728 wrote to memory of 1568	1728	J6NLUnAQN1LMjkH.exe	schtasks.exe
PID 1728 wrote to memory of 1568	1728	J6NLUnAQN1LMjkH.exe	schtasks.exe
PID 1728 wrote to memory of 1568	1728	J6NLUnAQN1LMjkH.exe	schtasks.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe
PID 1728 wrote to memory of 852	1728	J6NLUnAQN1LMjkH.exe	J6NLUnAQN1LMjkH.exe

outlook_office_path 1 IoCs

Processes:

J6NLUnAQN1LMjkH.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	J6NLUnAQN1LMjkH.exe

outlook_win_path 1 IoCs

Processes:

J6NLUnAQN1LMjkH.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	J6NLUnAQN1LMjkH.exe

C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe
"C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rUxFKJcWrhn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7688.tmp"
2⤵
- Creates scheduled task(s)
PID:1568

C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe
"C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:852

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\tmp7688.tmp
Filesize
1KB

MD5
ad9aa109ee472761290dbef1e2dd2e11

SHA1
65fbcf50fcc7ac94d47e5f9e370428813e895b47

SHA256
d640d7b617647a0cb6c83e911429bdc3c999635cc30ec0df5bc206deeea2d3e2

SHA512
ddb854f6378d533a8eab3da400b63a6e09bcea7223a8f4c45e8667e3c65792b1041fa90f7ec4cb4bbf2ea444643ddedc17e1b61c2517282799ba9447b434b2bc

Download Submit
memory/852-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-71-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-67-0x00000000004549FE-mapping.dmp

Download
memory/852-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1568-59-0x0000000000000000-mapping.dmp

Download
memory/1728-54-0x0000000000B40000-0x0000000000BC4000-memory.dmp

Filesize
528KB

Download
memory/1728-55-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1728-56-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/1728-58-0x0000000004BC0000-0x0000000004C1A000-memory.dmp

Filesize
360KB

Download
memory/1728-57-0x0000000004FF0000-0x0000000005064000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads