agenttesla | ef88496bd2bebc8225e15f3caa105b7c7f0c9a004ee41c83423ac99bfb9a9ef7

Analysis

max time kernel
141s
max time network
101s
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 15:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

g9.exe
Size

977KB
MD5

c572b5b67f1b0f70d7616358e29fbf1b
SHA1

239bdec12f8a2a3e7004a4ea0aae11a28c6c9d26
SHA256

f57d9f56d91abf4cfcd4eceec70dec81a629e9547469a775d1740b3f97175ec9
SHA512

a356c2c0293e0e5a87e2695f5583c3c7d315704dd84e81775eb77a67f88c2ba643df7de9bf9861e3c33c7c2794806be596edb2983fe87304a161ec67090cfa78
SSDEEP

24576:nnLZiPt42JIudVwFZbZeKRg8yXjdXc1f0aVnf:lilqWVEbZ3yXjOykf

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral2/memory/4468-7-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral2/memory/4468-12-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral2/memory/4468-10-0x00000000008F0000-0x000000000093C000-memory.dmp	family_agenttesla
behavioral2/memory/4468-9-0x00000000008F0000-0x000000000093C000-memory.dmp	family_agenttesla
behavioral2/memory/4468-25-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral2/memory/4468-11-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral2/memory/4468-27-0x0000000000400000-0x00000000004A5000-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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sales.vbs	notepad.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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4468-6-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/4468-7-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/4468-12-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/4468-11-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/4468-4-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

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-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	g9.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	g9.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	g9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 4468	2852	g9.exe	83

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	g9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g9.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2852	g9.exe
2852	g9.exe
4468	g9.exe
4468	g9.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2852	g9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	g9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 912	2852	g9.exe	82
PID 2852 wrote to memory of 912	2852	g9.exe	82
PID 2852 wrote to memory of 912	2852	g9.exe	82
PID 2852 wrote to memory of 912	2852	g9.exe	82
PID 2852 wrote to memory of 912	2852	g9.exe	82
PID 2852 wrote to memory of 4468	2852	g9.exe	83
PID 2852 wrote to memory of 4468	2852	g9.exe	83
PID 2852 wrote to memory of 4468	2852	g9.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	g9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	g9.exe

C:\Users\Admin\AppData\Local\Temp\g9.exe
"C:\Users\Admin\AppData\Local\Temp\g9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:912
- C:\Users\Admin\AppData\Local\Temp\g9.exe
  "C:\Users\Admin\AppData\Local\Temp\g9.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/912-13-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/2852-14-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/2852-1-0x0000000003F80000-0x0000000003F90000-memory.dmp

Filesize
64KB

Download
memory/2852-3-0x0000000003FA0000-0x0000000003FA1000-memory.dmp

Filesize
4KB

Download
memory/2852-0-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/4468-6-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4468-12-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4468-7-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4468-10-0x00000000008F0000-0x000000000093C000-memory.dmp

Filesize
304KB

Download
memory/4468-9-0x00000000008F0000-0x000000000093C000-memory.dmp

Filesize
304KB

Download
memory/4468-25-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4468-11-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4468-4-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4468-27-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download