agenttesla | 58c04e08b3b2d8400cc0bd6f33e7b751f3456067582cd9c9bbd46d713df0f021

Analysis

max time kernel
109s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 19:54

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General

Target

WDA5E033WcPm74M.exe
Size

637KB
MD5

2062da3e478d73b1fc79302c3e903cfb
SHA1

cc5ef564edb3b8b81451123eaebf5d5fa24d9320
SHA256

ec66bb08e7be3e235c199b1f253e949fc4296b105b7046cca10ae732cf347873
SHA512

81b084f492c0cf2bdc775bbe90a9cc8226163bdc738f144843b424eaf8534983f4709091eb58f41c32a820613a9b84e2b13de23d8f0408182e4e08e1bb69f31f
SSDEEP

12288:oY2MqxYxluS4n/WW5KyBp5Cr7LNSklZh48fR2WO+nTweTq5iIFr9BK3ah5EB:oY2Mq0InVv0/okLimRxnMeTC/N9BK3ao

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.studlandstol.com
Port:
587
Username:
[email protected]
Password:
dutyfaithlu12345

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4872-10-0x0000000000400000-0x0000000000452000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	WDA5E033WcPm74M.exe

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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WDA5E033WcPm74M.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WDA5E033WcPm74M.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WDA5E033WcPm74M.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	WDA5E033WcPm74M.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4664 set thread context of 4872	4664	WDA5E033WcPm74M.exe	96

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	WDA5E033WcPm74M.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WDA5E033WcPm74M.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
2436	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
4424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4664	WDA5E033WcPm74M.exe
4664	WDA5E033WcPm74M.exe
4664	WDA5E033WcPm74M.exe
4664	WDA5E033WcPm74M.exe
4664	WDA5E033WcPm74M.exe
4664	WDA5E033WcPm74M.exe
4664	WDA5E033WcPm74M.exe
4872	WDA5E033WcPm74M.exe
4872	WDA5E033WcPm74M.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	WDA5E033WcPm74M.exe
Token: SeDebugPrivilege	4872	WDA5E033WcPm74M.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4872	WDA5E033WcPm74M.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 4424	4664	WDA5E033WcPm74M.exe	91
PID 4664 wrote to memory of 4424	4664	WDA5E033WcPm74M.exe	91
PID 4664 wrote to memory of 4424	4664	WDA5E033WcPm74M.exe	91
PID 4664 wrote to memory of 1020	4664	WDA5E033WcPm74M.exe	93
PID 4664 wrote to memory of 1020	4664	WDA5E033WcPm74M.exe	93
PID 4664 wrote to memory of 1020	4664	WDA5E033WcPm74M.exe	93
PID 4664 wrote to memory of 3448	4664	WDA5E033WcPm74M.exe	94
PID 4664 wrote to memory of 3448	4664	WDA5E033WcPm74M.exe	94
PID 4664 wrote to memory of 3448	4664	WDA5E033WcPm74M.exe	94
PID 4664 wrote to memory of 4672	4664	WDA5E033WcPm74M.exe	95
PID 4664 wrote to memory of 4672	4664	WDA5E033WcPm74M.exe	95
PID 4664 wrote to memory of 4672	4664	WDA5E033WcPm74M.exe	95
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4664 wrote to memory of 4872	4664	WDA5E033WcPm74M.exe	96
PID 4872 wrote to memory of 2436	4872	WDA5E033WcPm74M.exe	97
PID 4872 wrote to memory of 2436	4872	WDA5E033WcPm74M.exe	97
PID 4872 wrote to memory of 2436	4872	WDA5E033WcPm74M.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WDA5E033WcPm74M.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WDA5E033WcPm74M.exe

C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe
"C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\leHzGOHxBem" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E31.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4424
- C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe
  "C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe"
  2⤵
  PID:1020
- C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe
  "C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe"
  2⤵
  PID:3448
- C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe
  "C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe"
  2⤵
  PID:4672
- C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe
  "C:\Users\Admin\AppData\Local\Temp\WDA5E033WcPm74M.exe"
  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:4872
- - 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:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8E31.tmp

Filesize
1KB

MD5
068b3b09aeb0ef99266d58d3b345084b

SHA1
dc5980978de94a0693721468239480556c2df232

SHA256
1b05729b86608ba2429a01ca3bb396307effedb5ebc3dbcea5ee6c6682b9f859

SHA512
0964b29096907867400bf48ae93f2a9bf775189ca6330537c5bd973fed535729e66ccdd2670b01b3ec68abad12f9ca51cad26b47991dc591098c81a7fd25f611

Download Submit
memory/4664-0-0x0000000074F72000-0x0000000074F73000-memory.dmp

Filesize
4KB

Download
memory/4664-1-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4664-2-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4664-3-0x0000000074F72000-0x0000000074F73000-memory.dmp

Filesize
4KB

Download
memory/4664-4-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4664-12-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4872-10-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4872-13-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4872-14-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4872-15-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4872-16-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download