agenttesla | 16d6e9cb49079e95149c646669ce11aad318a215c62db593a85005556e3a8388

General

Target

Payment Notification.exe
Size

1.3MB
MD5

49e368a336455ce81b0cb888c96ee2c3
SHA1

d6dfc279d33ce1c64e895694bb445b382cd6a489
SHA256

5d62f354ae4940fe2e4d559490a9d34105113dcc6f3af7941e32457870ddf391
SHA512

21ad50c57b217d15305634a549359dfa74474e7fd2dcc4508dc12ed906f72a4b9659376d519a5fea540eadff4229e0fe0a081b781994cf2d892d1c6e57c9b0f6
SSDEEP

24576:rtb20pkaCqT5TBWgNQ7a1VeE7j6s7Tdv5Ee5H2At7QgyvOgTd3zYlyv6A:oVg5tQ7a1VFnEep2AVlIzpzYlw5

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
zstcznz.org
Port:
587
Username:
[email protected]
Password:
makonyo@2017

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 2092	2376	Payment Notification.exe	30

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	Payment Notification.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2092	MSBuild.exe
2092	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2376	Payment Notification.exe
2376	Payment Notification.exe
2376	Payment Notification.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2376	Payment Notification.exe
2376	Payment Notification.exe
2376	Payment Notification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2092	2376	Payment Notification.exe	30
PID 2376 wrote to memory of 2092	2376	Payment Notification.exe	30
PID 2376 wrote to memory of 2092	2376	Payment Notification.exe	30
PID 2376 wrote to memory of 2092	2376	Payment Notification.exe	30
PID 2376 wrote to memory of 2092	2376	Payment Notification.exe	30
PID 2376 wrote to memory of 2092	2376	Payment Notification.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2092

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

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2092-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2092-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2092-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2092-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2092-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2092-11-0x0000000074571000-0x0000000074572000-memory.dmp

Filesize
4KB

Download
memory/2092-12-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2092-13-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2092-14-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2092-15-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-0-0x0000000002E80000-0x0000000002F0D000-memory.dmp

Filesize
564KB

Download
memory/2376-1-0x0000000002DF0000-0x0000000002E7D000-memory.dmp

Filesize
564KB

Download

Analysis

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