agenttesla | b50a0633963a8ae9cfd05db3af16c16584c55d707a5dac3633cb5318fca4b6d2

General

Target

proforma invoice.exe
Size

474KB
MD5

b79c749616e332aa98dff35091bc7ddb
SHA1

e853d7048efcef7e7c8259e92000d8efca9b66af
SHA256

c9b3d6a92282d003ae960076c147e224c8064fd98229c96df353948dc685237b
SHA512

156b627138e939abd3b5432783643502d021fcdd0b805380c4f8ce406aa16b06f9b2f09edb62865378c454197cb9f6c9747ec6803078f1fbc2b5935047589ad3
SSDEEP

12288:LDuUPu3qK0V5f5f5fGRRv5Bt9fcqg8ZVGD9PfCp3pP+KNOQgIMXKy5xU:nuiZZGRRfZkUtV+xf6y

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
business41.web-hosting.com
Port:
587
Username:
[email protected]
Password:
london1759

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2424-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2424-23-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2424-21-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2424-19-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2424-13-0x0000000000400000-0x0000000000452000-memory.dmp	family_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
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 2 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
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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2208 set thread context of 2424	2208	proforma invoice.exe	33

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

System Information Discovery
T1082

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	proforma invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	proforma invoice.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
3056	netsh.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2424	proforma invoice.exe
2424	proforma invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	proforma invoice.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2424	proforma invoice.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 604	2208	proforma invoice.exe	31
PID 2208 wrote to memory of 604	2208	proforma invoice.exe	31
PID 2208 wrote to memory of 604	2208	proforma invoice.exe	31
PID 2208 wrote to memory of 604	2208	proforma invoice.exe	31
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2208 wrote to memory of 2424	2208	proforma invoice.exe	33
PID 2424 wrote to memory of 3056	2424	proforma invoice.exe	35
PID 2424 wrote to memory of 3056	2424	proforma invoice.exe	35
PID 2424 wrote to memory of 3056	2424	proforma invoice.exe	35
PID 2424 wrote to memory of 3056	2424	proforma invoice.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yGgQPFWIoVqeWq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9BC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:604
- C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - 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:2424
- - 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:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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 Information Discovery

1

T1082

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

C:\Users\Admin\AppData\Local\Temp\tmpD9BC.tmp

Filesize
1KB

MD5
ad830cd4d2cece4dee7be584e0ef7df8

SHA1
b470c5484fb34f3738d22fd2d4471a6da28b47b3

SHA256
b073b47be08c7858f204f8e3e91dfb0a4d4c0d829ff2a6c0606f8f5f23182ae5

SHA512
b71e5c6ded68294b0ce5d11eb04a4fee995b3f9a300f234472617b80f9ca0f35aade59f658834261e6098e34e37d265d54006290f4ac01e5371d25e9cfc952a5

Download Submit
memory/2208-25-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-1-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-2-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-3-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-0-0x0000000074121000-0x0000000074122000-memory.dmp

Filesize
4KB

Download
memory/2424-26-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2424-21-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-24-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-19-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-23-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-13-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-27-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-28-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-29-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-30-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-31-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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