agenttesla | dfef8918a51aeb30d39bcfcc0853d1a07c6bbb9bb5c638a2a56fb5f80d49ebcf

General

Target

EYQ4WEDL.exe
Size

726KB
MD5

b1bf1c95ede331c2110cd65c2141459d
SHA1

230d1d34a497d8549ce3476b1b55ccb5209e3a97
SHA256

a475329b976a2d74fd8a96c33582ff3604dc0cb657a581935ceda83150803834
SHA512

efba63a0c561bbb01ad0abfc6f252bcc8d4cccfe7c2c172e96573d3239dcd17b78c24e2ef87ff74d2b3b5cb6c36dc052fa52df5381781fe80c0ad31a10bc1b50

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Conversation2

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Conversation2

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2136-137-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

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:

EYQ4WEDL.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	EYQ4WEDL.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:

EYQ4WEDL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EYQ4WEDL.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EYQ4WEDL.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EYQ4WEDL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

EYQ4WEDL.exe

description pid process target process

PID 1840 set thread context of 2136 1840 EYQ4WEDL.exe EYQ4WEDL.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

5072 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

EYQ4WEDL.exe

pid process

2136 EYQ4WEDL.exe
2136 EYQ4WEDL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EYQ4WEDL.exe

description pid process

Token: SeDebugPrivilege 2136 EYQ4WEDL.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

EYQ4WEDL.exe

pid process

2136 EYQ4WEDL.exe

description	pid	process	target process
PID 1840 set thread context of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe

pid	process
5072	schtasks.exe

pid	process
2136	EYQ4WEDL.exe
2136	EYQ4WEDL.exe

description	pid	process
Token: SeDebugPrivilege	2136	EYQ4WEDL.exe

pid	process
2136	EYQ4WEDL.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EYQ4WEDL.exe

description	pid	process	target process
PID 1840 wrote to memory of 5072	1840	EYQ4WEDL.exe	schtasks.exe
PID 1840 wrote to memory of 5072	1840	EYQ4WEDL.exe	schtasks.exe
PID 1840 wrote to memory of 5072	1840	EYQ4WEDL.exe	schtasks.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 1840 wrote to memory of 2136	1840	EYQ4WEDL.exe	EYQ4WEDL.exe

outlook_office_path 1 IoCs

Processes:

EYQ4WEDL.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	EYQ4WEDL.exe

outlook_win_path 1 IoCs

Processes:

EYQ4WEDL.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	EYQ4WEDL.exe

C:\Users\Admin\AppData\Local\Temp\EYQ4WEDL.exe
"C:\Users\Admin\AppData\Local\Temp\EYQ4WEDL.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XFDJKkKsWwgH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB1E.tmp"
2⤵
- Creates scheduled task(s)
PID:5072

C:\Users\Admin\AppData\Local\Temp\EYQ4WEDL.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2136

Network

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\EYQ4WEDL.exe.log

Filesize
1KB

MD5
451341b68e61737e760f259a342f5dab

SHA1
82ac0c68f7b757df2bc126d863139d9745311896

SHA256
70fe5535ed658cb924c284dc5b9f1a5499b1820ed693749fe2dd765f3e202477

SHA512
34fe7f10facc8abd3541a0cccbdff009d8d32e5b2942c717800b8385967b3e103343286dddbe2e8e03bc4a4e943155476fa8fe4d750b0e1bd7748b854c64f5eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFB1E.tmp

Filesize
1KB

MD5
28c358a112d56c696d0cd72b501ae41f

SHA1
da7014f0aca00e4771c80118a2850c79abb9c4b0

SHA256
8634a19e094292595e4053b71a447c966c7a00441fbe57f02a77997f781b21cd

SHA512
7110238a9c61844002d480adbd1094440f09e49a13e91d84b1f90f4c8242678eb972347380906d739853f39d23cf61f37e69a52b6de8cd277a83ade3754b3cbd

Download Submit
memory/1840-130-0x0000000000D30000-0x0000000000DEC000-memory.dmp

Filesize
752KB

Download
memory/1840-131-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/1840-132-0x0000000006070000-0x000000000610C000-memory.dmp

Filesize
624KB

Download
memory/1840-133-0x00000000067C0000-0x0000000006D64000-memory.dmp

Filesize
5.6MB

Download
memory/2136-136-0x0000000000000000-mapping.dmp

Download
memory/2136-137-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2136-139-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/2136-140-0x00000000063B0000-0x0000000006400000-memory.dmp

Filesize
320KB

Download
memory/2136-141-0x0000000006980000-0x000000000698A000-memory.dmp

Filesize
40KB

Download
memory/5072-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads