agenttesla | bf137f0692b646d11bb87c8c06ad015332a9c37edd4122991bfae62d16499f9d

General

Target

PO#2207020.exe
Size

476KB
MD5

ce5c25d462cbef99251c3a8984f9fbdc
SHA1

0bf44e4fb8764de6480d5a18c98c668d55da00f9
SHA256

018655556fe0544b51a8c4ed1a6a4e3845a6acfe8635fb4b7f304d6f4f845d8b
SHA512

47c15c543654dc493bc2fbc4a2752ab071b50282689e8f4135fcfbb72e48848c190300f5473c63c7c13bd87a3957a5c746fad48dacfaaf49a96ba1823854a742

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.aylaalgan.com.tr
Port:
587
Username:
[email protected]
Password:
20162016

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aylaalgan.com.tr
Port:
587
Username:
[email protected]
Password:
20162016

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
behavioral4/memory/5072-137-0x0000000000400000-0x000000000044C000-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:

PO#2207020.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	PO#2207020.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:

PO#2207020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#2207020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#2207020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#2207020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#2207020.exe

description pid process target process

PID 4832 set thread context of 5072 4832 PO#2207020.exe PO#2207020.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

1596 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO#2207020.exe

pid process

5072 PO#2207020.exe
5072 PO#2207020.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO#2207020.exe

description pid process

Token: SeDebugPrivilege 5072 PO#2207020.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO#2207020.exe

pid process

5072 PO#2207020.exe

description	pid	process	target process
PID 4832 set thread context of 5072	4832	PO#2207020.exe	PO#2207020.exe

pid	process
1596	schtasks.exe

pid	process
5072	PO#2207020.exe
5072	PO#2207020.exe

description	pid	process
Token: SeDebugPrivilege	5072	PO#2207020.exe

pid	process
5072	PO#2207020.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO#2207020.exe

description	pid	process	target process
PID 4832 wrote to memory of 1596	4832	PO#2207020.exe	schtasks.exe
PID 4832 wrote to memory of 1596	4832	PO#2207020.exe	schtasks.exe
PID 4832 wrote to memory of 1596	4832	PO#2207020.exe	schtasks.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe
PID 4832 wrote to memory of 5072	4832	PO#2207020.exe	PO#2207020.exe

outlook_office_path 1 IoCs

Processes:

PO#2207020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#2207020.exe

outlook_win_path 1 IoCs

Processes:

PO#2207020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#2207020.exe

C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe
"C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JDIsEUpyS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2313.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1596
- C:\Users\Admin\AppData\Local\Temp\PO#2207020.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:5072

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2313.tmp

Filesize
1KB

MD5
ad3596a847e71167da0f30ff7f7841f1

SHA1
7e0f8d2ee01ff8df37aac411af7cc5e7e7f29028

SHA256
52192f847365315385421de869411748ae7fab94a38511f72e4f676c66216b04

SHA512
1ebbaec74eab992d61cebbf24915bc3d2505a22a11d2982d715fea5cb3f2c70e79718f0b5ed3e7b9787e666433222ea9a68fd38f2f973f047f40faea04bd18e3

Download Submit
memory/1596-134-0x0000000000000000-mapping.dmp

Download
memory/4832-130-0x0000000000700000-0x000000000077E000-memory.dmp

Filesize
504KB

Download
memory/4832-131-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4832-132-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/4832-133-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/5072-136-0x0000000000000000-mapping.dmp

Download
memory/5072-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5072-138-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/5072-139-0x0000000006630000-0x0000000006680000-memory.dmp

Filesize
320KB

Download
memory/5072-140-0x00000000067D0000-0x00000000067DA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads