agenttesla | a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe

General

Target

a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
Size

1.2MB
MD5

11914bd0a156571a10bd625bc3e95935
SHA1

66a2c35c0b3769f3ce4e06e403737daade649639
SHA256

a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe
SHA512

cbbb51f3ebe2c02bc99f41876dcd1545f72bb2cd59c458927654aeb775f675e12a756de0bc1610bb8171da4a8515f21fac19303d045a4b473bcd583cb21f028c
SSDEEP

24576:OU+xBthJfJ4+H2+Bv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:OU+vQB+HjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.corroshield.co.id
Port:
587
Username:
[email protected]
Password:
sulastri2011

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
2520	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2520	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31
PID 2064 wrote to memory of 2520	2064	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe

C:\Users\Admin\AppData\Local\Temp\a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
"C:\Users\Admin\AppData\Local\Temp\a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\a73026249b84854b1fa3549cf821d0e9f9d93a586f71c22e825826c430d4eebe.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2064-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/2064-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2064-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2064-3-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2064-19-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2520-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-20-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2520-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2520-21-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2520-22-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2520-23-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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