agenttesla | e2df9e0287a3f974981718891b00d394d137ec08301708a358464ccb0e624471

General

Target

fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe
Size

208KB
MD5

6c0c6a5a66f4ff1b21325cb9d069e115
SHA1

73b0a7cff74ae8191f0cc33ba48053c260dc767f
SHA256

fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1
SHA512

dede722b3f3d0dfa4b97b296f35653f47c985079b691eea3e6e3c3e21a54b3236af940658f6887a36051583e6c6795afd00284cd951cbbea0222360a802b6be2
SSDEEP

3072:6mnojXT/SrCpGWEg18eXIV0E7Wh8Ffdl/Q5UX6RUG4dFVc4mWSUansTZYRp7uIt2:6mnqIV0E7WhylUUX6RUGKcHflpN2k3

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.vvis.com.ph
Port:
587
Username:
[email protected]
Password:
May192017

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.vvis.com.ph
Port:
587
Username:
[email protected]
Password:
May192017
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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HextL = "C:\\Users\\Admin\\AppData\\Roaming\\HextL\\HextL.exe"	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5032	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe
5032	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5032	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe

C:\Users\Admin\AppData\Local\Temp\fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe
"C:\Users\Admin\AppData\Local\Temp\fdda2277625cf95b5fee831d58cf5ab0606bc81a832669c4c5f7469b5d7048e1.exe"
1⤵
- 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
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:5032

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5032-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/5032-1-0x0000000000180000-0x00000000001BA000-memory.dmp

Filesize
232KB

Download
memory/5032-2-0x0000000005210000-0x00000000057B4000-memory.dmp

Filesize
5.6MB

Download
memory/5032-3-0x0000000004C60000-0x0000000004CFC000-memory.dmp

Filesize
624KB

Download
memory/5032-4-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-5-0x0000000004C10000-0x0000000004C28000-memory.dmp

Filesize
96KB

Download
memory/5032-6-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/5032-9-0x0000000006100000-0x0000000006150000-memory.dmp

Filesize
320KB

Download
memory/5032-10-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/5032-11-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-12-0x00000000062F0000-0x0000000006382000-memory.dmp

Filesize
584KB

Download
memory/5032-13-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-14-0x0000000006260000-0x000000000626A000-memory.dmp

Filesize
40KB

Download
memory/5032-15-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads