agenttesla | b2f402850f42610631640fe2b042ea7c91ef388a0cb6983cf5608207f24f1bb9

General

Target

1049227X.exe
Size

953KB
MD5

f72f8af5fdc17f1c9c50ae1df1a28b94
SHA1

b7a07fb72b972e9ec626ca235ba000481b8334f6
SHA256

b7f19729b194bac7f587a7cc19778e925a218fec8106b23466367b2847b99ea2
SHA512

aa8aa1ab8a9c8532de65a3816aac651bf3da0433167b209b561ccb3a650d616526226361f2c45cef4f37960331ce6b22d05f58845d576e3fcba3e884c63a163c

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dogulumetal.com
Port:
587
Username:
[email protected]
Password:
DMaslak2950**

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/2592-139-0x0000000000400000-0x0000000000458000-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:

1049227X.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	1049227X.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:

1049227X.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1049227X.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1049227X.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1049227X.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1049227X.exe

description pid process target process

PID 4900 set thread context of 2592 4900 1049227X.exe 1049227X.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

5108 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1049227X.exe

pid process

2592 1049227X.exe
2592 1049227X.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1049227X.exe1049227X.exe

description pid process

Token: SeDebugPrivilege 4900 1049227X.exe
Token: SeDebugPrivilege 2592 1049227X.exe

description	pid	process	target process
PID 4900 set thread context of 2592	4900	1049227X.exe	1049227X.exe

pid	process
5108	schtasks.exe

pid	process
2592	1049227X.exe
2592	1049227X.exe

description	pid	process
Token: SeDebugPrivilege	4900	1049227X.exe
Token: SeDebugPrivilege	2592	1049227X.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1049227X.exe

description	pid	process	target process
PID 4900 wrote to memory of 5108	4900	1049227X.exe	schtasks.exe
PID 4900 wrote to memory of 5108	4900	1049227X.exe	schtasks.exe
PID 4900 wrote to memory of 5108	4900	1049227X.exe	schtasks.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe
PID 4900 wrote to memory of 2592	4900	1049227X.exe	1049227X.exe

outlook_office_path 1 IoCs

Processes:

1049227X.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1049227X.exe

outlook_win_path 1 IoCs

Processes:

1049227X.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1049227X.exe

C:\Users\Admin\AppData\Local\Temp\1049227X.exe
"C:\Users\Admin\AppData\Local\Temp\1049227X.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CuxqJQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1911.tmp"
2⤵
- Creates scheduled task(s)
PID:5108

C:\Users\Admin\AppData\Local\Temp\1049227X.exe
"C:\Users\Admin\AppData\Local\Temp\1049227X.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2592

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\tmp1911.tmp

Filesize
1KB

MD5
10c578f63345bb833c4a2d7a5c7b3a33

SHA1
b69665a3ff65067b8def34f9100317a8b9a8872d

SHA256
19cdc3df421736400c81e97b41bb02c846bb37c0a83cf0d9c95656eb8fbff1c1

SHA512
25e64480697c92c3cb8ca1488957bf064d8043f9b891af0a0e4c50c80f89f2fcc44c77132fc715095d0e069a74d2a52ead3758772a8e8a5d52541cf69c5823f7

Download Submit
memory/2592-138-0x0000000000000000-mapping.dmp

Download
memory/2592-139-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2592-140-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/2592-141-0x0000000006D00000-0x0000000006D50000-memory.dmp

Filesize
320KB

Download
memory/4900-130-0x0000000000C90000-0x0000000000D84000-memory.dmp

Filesize
976KB

Download
memory/4900-131-0x0000000005720000-0x00000000057BC000-memory.dmp

Filesize
624KB

Download
memory/4900-132-0x0000000005D70000-0x0000000006314000-memory.dmp

Filesize
5.6MB

Download
memory/4900-133-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/4900-134-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/4900-135-0x0000000005AA0000-0x0000000005AF6000-memory.dmp

Filesize
344KB

Download
memory/5108-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads