agenttesla | 41a76ce46d2bbc3da3de2b41d36c5a6c7e2f204ed4c4752a51fb8dc303d87710

General

Target

Detalles del banco.exe
Size

610KB
MD5

8ee663b59c093fa22f1253acc679ec41
SHA1

e151bc43031a0ebe8c3c90a77bfa7a4d47b71c7e
SHA256

f9bd72771da7917018cfca8a80bb7dad2e8e029aedcd8851c320256243c5e9db
SHA512

b5c0fdd43dcbff73b77d8690b6021a0f1c708299b43915b708f41d8338a4463da2043f936a76c60d04b5f9e13bc79f0338fc0b6a0e1e8ad12d4efb922ed48fab

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.recuperacionesbahia.es
Port:
587
Username:
[email protected]
Password:
BAHIA123PUERTO

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/4588-137-0x0000000000370000-0x00000000003BC000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

4588 InstallUtil.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

pid	process
4588	InstallUtil.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Detalles del banco.exe

description pid process target process

PID 3744 set thread context of 4588 3744 Detalles del banco.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Detalles del banco.exeInstallUtil.exe

pid process

3744 Detalles del banco.exe
3744 Detalles del banco.exe
3744 Detalles del banco.exe
4588 InstallUtil.exe
4588 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Detalles del banco.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 3744 Detalles del banco.exe
Token: SeDebugPrivilege 4588 InstallUtil.exe

description	pid	process	target process
PID 3744 set thread context of 4588	3744	Detalles del banco.exe	InstallUtil.exe

pid	process
3744	Detalles del banco.exe
3744	Detalles del banco.exe
3744	Detalles del banco.exe
4588	InstallUtil.exe
4588	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3744	Detalles del banco.exe
Token: SeDebugPrivilege	4588	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Detalles del banco.exe

description	pid	process	target process
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe
PID 3744 wrote to memory of 4588	3744	Detalles del banco.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Detalles del banco.exe
"C:\Users\Admin\AppData\Local\Temp\Detalles del banco.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4588

Network

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

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
memory/3744-130-0x00000000004F0000-0x000000000058E000-memory.dmp

Filesize
632KB

Download
memory/3744-131-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/3744-132-0x00000000056E0000-0x0000000005772000-memory.dmp

Filesize
584KB

Download
memory/4588-133-0x0000000000000000-mapping.dmp

Download
memory/4588-137-0x0000000000370000-0x00000000003BC000-memory.dmp

Filesize
304KB

Download
memory/4588-138-0x0000000004D70000-0x0000000004E0C000-memory.dmp

Filesize
624KB

Download
memory/4588-139-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/4588-140-0x00000000009F0000-0x0000000000A40000-memory.dmp

Filesize
320KB

Download
memory/4588-141-0x00000000009D0000-0x00000000009DA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads