agenttesla | 4ada0c385d400613ab31b3ee453be7f211bd27bfd4694df72ea1a75b21dd2e76

General

Target

m.exe
Size

483KB
MD5

28c050fb50ef0099f20bb70ff0a67da1
SHA1

c445b687ffe5a725582da71502984ba7944ef148
SHA256

41401278ff415b94769fc39e72450ae5f510f1097a90e650ac3ab417159b2925
SHA512

a651c1d1765af1d69aed4aedf4d81bd0ccc4d77b38cdbe04629e1972c8e93751287b2eef6122fafb2bb644e919fb4a7e517d876311cd37edf2694f494f0675a6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
arseno.murphy@yandex.com
Password:
legend1234$$

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1348-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-64-0x0000000000447EBE-mapping.dmp	family_agenttesla
behavioral1/memory/1348-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-68-0x0000000000400000-0x000000000044C000-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:

m.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	m.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	m.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	m.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

m.exe

description pid process target process

PID 1528 set thread context of 1348 1528 m.exe m.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

m.exem.exe

pid process

1528 m.exe
1348 m.exe
1348 m.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

m.exe

pid process

1348 m.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

m.exem.exe

description pid process

Token: SeDebugPrivilege 1528 m.exe
Token: SeDebugPrivilege 1348 m.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

m.exe

pid process

1348 m.exe

description	pid	process	target process
PID 1528 set thread context of 1348	1528	m.exe	m.exe

pid	process
1528	m.exe
1348	m.exe
1348	m.exe

pid	process
1348	m.exe

description	pid	process
Token: SeDebugPrivilege	1528	m.exe
Token: SeDebugPrivilege	1348	m.exe

pid	process
1348	m.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

m.exe

description	pid	process	target process
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe
PID 1528 wrote to memory of 1348	1528	m.exe	m.exe

outlook_office_path 1 IoCs

Processes:

m.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	m.exe

outlook_win_path 1 IoCs

Processes:

m.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	m.exe

C:\Users\Admin\AppData\Local\Temp\m.exe
"C:\Users\Admin\AppData\Local\Temp\m.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Users\Admin\AppData\Local\Temp\m.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1348

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/1348-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1348-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1348-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1348-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1348-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1348-64-0x0000000000447EBE-mapping.dmp

Download
memory/1348-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1348-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1528-54-0x0000000001360000-0x00000000013E0000-memory.dmp

Filesize
512KB

Download
memory/1528-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1528-56-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/1528-57-0x0000000000C90000-0x0000000000CE4000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads