agenttesla | 531af3241354cb2bec2efc2281e3b094d962d8a1e887fa17c328766ba6096675

General

Target

531af324.exe
Size

500KB
MD5

2d556ef398f471f9c4a9eaa0577ae09d
SHA1

c0a2c971dc6ee872f00deb6410a575267ad5986e
SHA256

531af3241354cb2bec2efc2281e3b094d962d8a1e887fa17c328766ba6096675
SHA512

42e5a607770aa41e29906497c85108f7bee1f2f2e2438ba4444c51dcf3d222cec9fde1ab0b0e1927a796e54c8b34af4e5651ca9d40c2a11b363242fd21fb2bb2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tccinfaes.com
Port:
587
Username:
margaridasantos@tccinfaes.com
Password:
TccBps1427log

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1404-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-67-0x000000000043764E-mapping.dmp	family_agenttesla
behavioral1/memory/1404-68-0x0000000000400000-0x000000000043C000-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:

531af324.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

531af324.exe

description pid process target process

PID 1640 set thread context of 1404 1640 531af324.exe 531af324.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

531af324.exe

pid process

1404 531af324.exe
1404 531af324.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

531af324.exe

description pid process

Token: SeDebugPrivilege 1404 531af324.exe

description	pid	process	target process
PID 1640 set thread context of 1404	1640	531af324.exe	531af324.exe

pid	process
1404	531af324.exe
1404	531af324.exe

description	pid	process
Token: SeDebugPrivilege	1404	531af324.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

531af324.exe

description	pid	process	target process
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe
PID 1640 wrote to memory of 1404	1640	531af324.exe	531af324.exe

outlook_office_path 1 IoCs

Processes:

531af324.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe

outlook_win_path 1 IoCs

Processes:

531af324.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe

C:\Users\Admin\AppData\Local\Temp\531af324.exe
"C:\Users\Admin\AppData\Local\Temp\531af324.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640

C:\Users\Admin\AppData\Local\Temp\531af324.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1404

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1404-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-71-0x0000000004AE1000-0x0000000004AE2000-memory.dmp

Filesize
4KB

Download
memory/1404-70-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/1404-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-67-0x000000000043764E-mapping.dmp

Download
memory/1404-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1640-55-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1640-57-0x0000000000510000-0x0000000000578000-memory.dmp

Filesize
416KB

Download
memory/1640-61-0x00000000049F0000-0x0000000004A29000-memory.dmp

Filesize
228KB

Download
memory/1640-60-0x0000000005AA0000-0x0000000005B1E000-memory.dmp

Filesize
504KB

Download
memory/1640-59-0x0000000000590000-0x000000000059E000-memory.dmp

Filesize
56KB

Download
memory/1640-58-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads