agenttesla | 21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3 | Triage

Analysis

max time kernel
135s
max time network
135s
platform
windows10_x64
resource
win10-en-20210920
submitted
22-10-2021 11:34

Sharing

Report Analysis Logs

General

Target

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
Size

537KB
MD5

384b03372b0048e1cb96f7db323d31af
SHA1

26c2955b326420fc61f64fb1f0c1ac26bb8fe6d9
SHA256

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3
SHA512

f5be075a925c363ebd0a2174ed587637d76f60401ae2d45bdd0210ae989b817df4f702529bbd289bfc1c5b79efeaac4597f838c7ac0ca62cacf7a15f5cff5f73

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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1672-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1672-125-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral1/memory/1672-130-0x0000000005460000-0x000000000595E000-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

Email Collection

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

description	pid	process	target process
PID 2844 set thread context of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

pid	process
1672	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
1672	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

description pid process

Token: SeDebugPrivilege 1672 21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

description	pid	process	target process
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
PID 2844 wrote to memory of 1672	2844	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

outlook_office_path 1 IoCs

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

outlook_win_path 1 IoCs

Processes:

21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe

C:\Users\Admin\AppData\Local\Temp\21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
"C:\Users\Admin\AppData\Local\Temp\21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2844

C:\Users\Admin\AppData\Local\Temp\21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe
"C:\Users\Admin\AppData\Local\Temp\21cd1dea5f6846f81699ddc9c7a4469901a87c13efd253001c030645bcca9fd3.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1672-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1672-132-0x0000000006150000-0x0000000006151000-memory.dmp

Filesize
4KB

Download
memory/1672-131-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/1672-130-0x0000000005460000-0x000000000595E000-memory.dmp

Filesize
5.0MB

Download
memory/1672-125-0x000000000043760E-mapping.dmp

Download
memory/2844-119-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/2844-122-0x0000000008EB0000-0x0000000008EB1000-memory.dmp

Filesize
4KB

Download
memory/2844-123-0x0000000008F50000-0x0000000008FA8000-memory.dmp

Filesize
352KB

Download
memory/2844-121-0x0000000005F80000-0x0000000005F87000-memory.dmp

Filesize
28KB

Download
memory/2844-120-0x0000000005200000-0x00000000056FE000-memory.dmp

Filesize
5.0MB

Download
memory/2844-115-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/2844-118-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/2844-117-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download