agenttesla | 284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4

General

Target

284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
Size

1.4MB
MD5

65ca94723930ef8c4a3606d753fc06b5
SHA1

99ac6b088a61022f72167d379c277f2897ec47b7
SHA256

284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4
SHA512

8bbc33df1523055c3fe868043ddd2e9cd246a730845754a301940432de5d44fb16f875e8fc23a2305d8e6f95be6643335eb2b25a75040a094119a2f5d4600147
SSDEEP

24576:a0GOdHS9nKBvvIKvIFAcNseicsr7h525Ev1RIAhjLoamMiX4lNmZg0YxegPbUIDX:fGOMd8IKvX6kBLMYjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.rebu.co.rw/
Port:
21
Username:
[email protected]
Password:
o^Z0CIU?^yL2

Protocol: ftp
Host:
ftp://ftp.rebu.co.rw/
Port:
21
Username:
[email protected]
Password:
o^Z0CIU?^yL2

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1580-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1580-13-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1580-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1580-7-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1580-6-0x0000000000400000-0x0000000000452000-memory.dmp	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\IYLZX5 = "C:\\Users\\Admin\\AppData\\Roaming\\IYLZX5\\IYLZX5.exe"	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2388 set thread context of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

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	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
696	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 2388 wrote to memory of 1580	2388	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	31
PID 1580 wrote to memory of 696	1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	33
PID 1580 wrote to memory of 696	1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	33
PID 1580 wrote to memory of 696	1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	33
PID 1580 wrote to memory of 696	1580	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe	33

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	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.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	284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe

C:\Users\Admin\AppData\Local\Temp\284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
"C:\Users\Admin\AppData\Local\Temp\284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\284f4fc80f6db1c7e947b22b134c2f759d4e6ae7274b0330a11b0f7df62478e4.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1580
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Modify Registry

1

T1112

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

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1580-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1580-18-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1580-22-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1580-20-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1580-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-13-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-7-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-19-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1580-16-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2388-0-0x0000000074501000-0x0000000074502000-memory.dmp

Filesize
4KB

Download
memory/2388-17-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2388-1-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2388-3-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2388-2-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads