agenttesla | e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 02:10

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General

Target

e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
Size

488KB
MD5

62f1c0cc9f30ebb1217c5397f87219c8
SHA1

c354525774fe7261e776fadd34a76fb8c2c4ba5e
SHA256

e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e
SHA512

6ed0a99683ff4d8cd89a66af2d3fbd597e2f57133b086ce5abc46cb171fe7fc4bb4792bba9b233396ba1030d5ce48d525b422d68b26bf07287401528686fd909
SSDEEP

12288:BUi2iNgUMeUVAK8eiFrv9nFNDIsedrVfvfyVz+vNx/Th:BUi1eUMNJYFrv9nEtrZvGu/bh

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.diva-italia.com
Port:
587
Username:
[email protected]
Password:
rr.@%5LjgLz7

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/368-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.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 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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94

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

System Information Discovery
T1082

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	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
368	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
368	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
Token: SeDebugPrivilege	368	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 936	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	91
PID 4744 wrote to memory of 936	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	91
PID 4744 wrote to memory of 936	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	91
PID 4744 wrote to memory of 4480	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	93
PID 4744 wrote to memory of 4480	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	93
PID 4744 wrote to memory of 4480	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	93
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94
PID 4744 wrote to memory of 368	4744	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe

C:\Users\Admin\AppData\Local\Temp\e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
"C:\Users\Admin\AppData\Local\Temp\e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.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:4744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LErShFWgvWWU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36CA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:936
- C:\Users\Admin\AppData\Local\Temp\e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
  "C:\Users\Admin\AppData\Local\Temp\e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe"
  2⤵
  PID:4480
- C:\Users\Admin\AppData\Local\Temp\e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe
  "C:\Users\Admin\AppData\Local\Temp\e97fd8f8cdeaa12496d48d28aaadb904db446d84802a46ca251d70fee304152e.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:368

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/368-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/368-29-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/368-28-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/368-27-0x0000000006750000-0x00000000067A0000-memory.dmp

Filesize
320KB

Download
memory/368-24-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/368-23-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/368-22-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/368-21-0x00000000057E0000-0x00000000057F8000-memory.dmp

Filesize
96KB

Download
memory/368-20-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/368-18-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-5-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/4744-10-0x0000000006420000-0x0000000006480000-memory.dmp

Filesize
384KB

Download
memory/4744-9-0x00000000061D0000-0x000000000626C000-memory.dmp

Filesize
624KB

Download
memory/4744-19-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-8-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-7-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/4744-6-0x00000000058E0000-0x00000000058EE000-memory.dmp

Filesize
56KB

Download
memory/4744-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/4744-4-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-3-0x00000000053F0000-0x0000000005482000-memory.dmp

Filesize
584KB

Download
memory/4744-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/4744-1-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download