agenttesla | 33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d

General

Target

33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe
Size

820KB
MD5

b6c95c57537d5207bceaae1e7882d5fb
SHA1

f02a18f62460ac023c750756225ac114ae662ebb
SHA256

33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d
SHA512

0506d230d5c6663c02564a764e4e8598f2a90168fce30b1867c32a58a3af6f5c397731699c3c8d3cf4515aa8a5ea62ffdaf581449739745ccf98b1d1e8f92e44
SSDEEP

12288:tO1dzNpvxRwPX6beqZH9NZJ70N1u1NGA/Daa4Z6DhwWXdfrZ2qKUFLIxy1GunJRu:M1dzNVxx1TLp2UFLI+Xq

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server1.sqsendy.shop
Port:
587
Username:
[email protected]
Password:
^Qt*UoquP.CM
Email To:
[email protected]

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2024 set thread context of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1436	RegAsm.exe
1436	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1052	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	31
PID 2024 wrote to memory of 1052	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	31
PID 2024 wrote to memory of 1052	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	31
PID 2024 wrote to memory of 1052	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	31
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33
PID 2024 wrote to memory of 1436	2024	33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe
"C:\Users\Admin\AppData\Local\Temp\33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1052
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1436

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

4

T1552

Credentials In Files

3

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

Loading Replay Monitor...

Downloads

memory/1436-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1436-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1436-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1436-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1436-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1436-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1436-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1436-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2024-1-0x0000000000920000-0x00000000009F4000-memory.dmp

Filesize
848KB

Download
memory/2024-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2024-17-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2024-5-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2024-4-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/2024-3-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing