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

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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2032-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-66-0x000000000044A7FE-mapping.dmp	family_agenttesla
behavioral1/memory/2032-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-70-0x0000000000400000-0x0000000000450000-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:

EYQ4WEDL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EYQ4WEDL.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EYQ4WEDL.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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 892 set thread context of 2032 892 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

2044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

EYQ4WEDL.exeEYQ4WEDL.exe

pid process

892 EYQ4WEDL.exe
2032 EYQ4WEDL.exe
2032 EYQ4WEDL.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

EYQ4WEDL.exeEYQ4WEDL.exe

description pid process

Token: SeDebugPrivilege 892 EYQ4WEDL.exe
Token: SeDebugPrivilege 2032 EYQ4WEDL.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

EYQ4WEDL.exe

pid process

2032 EYQ4WEDL.exe

description	pid	process	target process
PID 892 set thread context of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe

pid	process
2044	schtasks.exe

pid	process
892	EYQ4WEDL.exe
2032	EYQ4WEDL.exe
2032	EYQ4WEDL.exe

description	pid	process
Token: SeDebugPrivilege	892	EYQ4WEDL.exe
Token: SeDebugPrivilege	2032	EYQ4WEDL.exe

pid	process
2032	EYQ4WEDL.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EYQ4WEDL.exe

description	pid	process	target process
PID 892 wrote to memory of 2044	892	EYQ4WEDL.exe	schtasks.exe
PID 892 wrote to memory of 2044	892	EYQ4WEDL.exe	schtasks.exe
PID 892 wrote to memory of 2044	892	EYQ4WEDL.exe	schtasks.exe
PID 892 wrote to memory of 2044	892	EYQ4WEDL.exe	schtasks.exe
PID 892 wrote to memory of 2028	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2028	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2028	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2028	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe
PID 892 wrote to memory of 2032	892	EYQ4WEDL.exe	EYQ4WEDL.exe

outlook_office_path 1 IoCs

Processes:

EYQ4WEDL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XFDJKkKsWwgH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84DA.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

C:\Users\Admin\AppData\Local\Temp\EYQ4WEDL.exe
"{path}"
2⤵
PID:2028

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:2032

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

System Information Discovery

1

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\Temp\tmp84DA.tmp

Filesize
1KB

MD5
7955dd2c7207c118466762c8697dd7f6

SHA1
babc4c4757414011a7ccd8ae287585a1dbad0084

SHA256
05d0150f7645245583cd1967b987095a87eb748836894da317abc2f2dd720bfc

SHA512
6baf6dbf086a702f3f11f40ed671cbbd1f9270d30a4256ca0a769e1c588aa4909f2b5e322364b89b8077688e3c72ff131439b7984efc320f4fb86472873fead7

Download Submit
memory/892-55-0x00000000763B1000-0x00000000763B3000-memory.dmp

Filesize
8KB

Download
memory/892-56-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/892-57-0x0000000004D00000-0x0000000004D58000-memory.dmp

Filesize
352KB

Download
memory/892-54-0x00000000000F0000-0x00000000001AC000-memory.dmp

Filesize
752KB

Download
memory/2032-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-66-0x000000000044A7FE-mapping.dmp

Download
memory/2032-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2044-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads