agenttesla | d424ebac88ac6b91b12abda0c1c548c5e74b1241040509668732b3f1d4c2b2ef

General

Target

YdvJnnnDX0FUKjI.exe
Size

290KB
MD5

1795c0e7a5c67752a3e13c5a0f6ce9af
SHA1

509635b13636a2b0dc5308270fbabfdfa4e0a020
SHA256

6fae5955bfeac6e762f65fabedb2be2fdcd385347e6b9db19825096ee2ebd9a1
SHA512

ed7384717a3c6c63b53188b73a46c57058f4bd327c14fb11f23ae7e8c42cf7f63a7e0aef6914cc08301b4615d3f3d9d87c56037a37e4e57269e63703d53683d2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.arhigraf.ro
Port:
587
Username:
[email protected]
Password:
kH~2kU(;kEtR

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/1396-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1396-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1396-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1396-64-0x000000000044694E-mapping.dmp	family_agenttesla
behavioral1/memory/1396-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1396-68-0x0000000000400000-0x000000000044C000-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:

YdvJnnnDX0FUKjI.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YdvJnnnDX0FUKjI.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YdvJnnnDX0FUKjI.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YdvJnnnDX0FUKjI.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

YdvJnnnDX0FUKjI.exe

description pid process target process

PID 2016 set thread context of 1396 2016 YdvJnnnDX0FUKjI.exe YdvJnnnDX0FUKjI.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

YdvJnnnDX0FUKjI.exe

pid process

1396 YdvJnnnDX0FUKjI.exe
1396 YdvJnnnDX0FUKjI.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

YdvJnnnDX0FUKjI.exe

description pid process

Token: SeDebugPrivilege 1396 YdvJnnnDX0FUKjI.exe

description	pid	process	target process
PID 2016 set thread context of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe

pid	process
1396	YdvJnnnDX0FUKjI.exe
1396	YdvJnnnDX0FUKjI.exe

description	pid	process
Token: SeDebugPrivilege	1396	YdvJnnnDX0FUKjI.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

YdvJnnnDX0FUKjI.exe

description	pid	process	target process
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe
PID 2016 wrote to memory of 1396	2016	YdvJnnnDX0FUKjI.exe	YdvJnnnDX0FUKjI.exe

outlook_office_path 1 IoCs

Processes:

YdvJnnnDX0FUKjI.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YdvJnnnDX0FUKjI.exe

outlook_win_path 1 IoCs

Processes:

YdvJnnnDX0FUKjI.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YdvJnnnDX0FUKjI.exe

C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe
"C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2016

C:\Users\Admin\AppData\Local\Temp\YdvJnnnDX0FUKjI.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1396-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1396-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1396-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1396-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1396-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1396-64-0x000000000044694E-mapping.dmp

Download
memory/1396-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1396-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-54-0x0000000000010000-0x000000000005E000-memory.dmp

Filesize
312KB

Download
memory/2016-55-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download
memory/2016-56-0x0000000000350000-0x0000000000358000-memory.dmp

Filesize
32KB

Download
memory/2016-57-0x0000000004BA0000-0x0000000004BF4000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads