agenttesla | 8c56bb12177a058ad85f8b445d4f7cdfb5bfcd21bdfb19a90ab21b56d6972b6a

General

Target
DUE SOA.exe
Size 40KB
Sample220223-qqnevabehp
SHA256 8c56bb12177a058ad85f8b445d4f7cdfb5bfcd21bdfb19a90ab21b56d6972b6a
MD5 3332620e6dfe3ac9aa2e57f04e37e4f8
SHA1 5bb832100fc937481340892247f155a7d18c15d9
SHA512 169ba7abf9dbca0b6a9bcbc40e1a8d7abaef88ee458160307fe150769317c2ebbd43c310d74737d6d47965f617ed4a96b5e740fc4e35c0fd104a60d9402af434
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.escueladeseguridadmaritima.com
Port
587
Username
[email protected]
Password
JUsatelite2020
Email to
[email protected]

Signatures

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

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4200-139-0x0000000000400000-0x000000000043C000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	DUE SOA.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 4200	1644	DUE SOA.exe	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4560	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1644	DUE SOA.exe
1644	DUE SOA.exe
4200	RegAsm.exe
4200	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	DUE SOA.exe
Token: SeDebugPrivilege	4200	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 4192	1644	DUE SOA.exe	82
PID 1644 wrote to memory of 4192	1644	DUE SOA.exe	82
PID 1644 wrote to memory of 4192	1644	DUE SOA.exe	82
PID 4192 wrote to memory of 4560	4192	cmd.exe	84
PID 4192 wrote to memory of 4560	4192	cmd.exe	84
PID 4192 wrote to memory of 4560	4192	cmd.exe	84
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100
PID 1644 wrote to memory of 4200	1644	DUE SOA.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\DUE SOA.exe
"C:\Users\Admin\AppData\Local\Temp\DUE SOA.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping yahoo.com
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Windows\SysWOW64\PING.EXE
    ping yahoo.com
    3⤵
    - Runs ping.exe
    PID:4560
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1644-133-0x0000000000110000-0x0000000000120000-memory.dmp

Download

memory/1644-134-0x000000007521E000-0x000000007521F000-memory.dmp

Download

memory/1644-135-0x0000000004B10000-0x0000000004B11000-memory.dmp

Download

memory/1644-136-0x000000000AD70000-0x000000000ADC0000-memory.dmp

Download

memory/1644-137-0x000000000AE80000-0x000000000AF32000-memory.dmp

Download

memory/1644-138-0x00000000008C0000-0x0000000000952000-memory.dmp

Download

memory/4200-139-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/4200-140-0x0000000005AF0000-0x0000000006094000-memory.dmp

Download

memory/4200-141-0x0000000005630000-0x00000000056CC000-memory.dmp

Download

memory/4200-142-0x000000007521E000-0x000000007521F000-memory.dmp

Download

memory/4200-143-0x0000000002E10000-0x0000000002E11000-memory.dmp

Download

memory/4200-144-0x00000000063E0000-0x0000000006446000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads