agenttesla | 7ca0acdc3e8b24c2034b2205dbfdf744c903cae7c88b1d09b529991168c05dca

Analysis

max time kernel
128s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:24

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General

Target

EZ0496.exe
Size

780KB
MD5

5a67509f3472ff42c3ccfb63fca70b7e
SHA1

8de5cbf18f1927c218e068831947c6a4ea1cc153
SHA256

dddc02f397519000994d6ceda5f33e4c4073fa6639c667d2cbaa0b0ee72944d4
SHA512

2d46cb65214e8ad2b53f413b2f4f2209ad9b739aaa7feffca3920537fa6e5d4b86528706b600260b3f5a296d7a724f5a6442973083dc0f32a17e6e45b16249be
SSDEEP

12288:r5VkoZUWVp65ZKUqWuRHDoiPkmXW1X5UGoELmfgih5xEu//j:vpW4UqWuhvkj1pUG7mIibT

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.topfrozenfoodbrand.com
Port:
587
Username:
[email protected]
Password:
Chukwudim28@
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

AgentTesla payload 5 IoCs

Processes:

resource	yara_rule
behavioral9/memory/764-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral9/memory/764-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral9/memory/764-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral9/memory/764-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral9/memory/764-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

EZ0496.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

EZ0496.exe

description pid process target process

PID 1812 set thread context of 764 1812 EZ0496.exe EZ0496.exe

description	pid	process	target process
PID 1812 set thread context of 764	1812	EZ0496.exe	EZ0496.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

EZ0496.exeEZ0496.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EZ0496.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EZ0496.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

EZ0496.exe

pid process

764 EZ0496.exe
764 EZ0496.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EZ0496.exe

description pid process

Token: SeDebugPrivilege 764 EZ0496.exe

pid	process
764	EZ0496.exe
764	EZ0496.exe

description	pid	process
Token: SeDebugPrivilege	764	EZ0496.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EZ0496.exe

description	pid	process	target process
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe
PID 1812 wrote to memory of 764	1812	EZ0496.exe	EZ0496.exe

outlook_office_path 1 IoCs

Processes:

EZ0496.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe

outlook_win_path 1 IoCs

Processes:

EZ0496.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe

C:\Users\Admin\AppData\Local\Temp\EZ0496.exe
"C:\Users\Admin\AppData\Local\Temp\EZ0496.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Users\Admin\AppData\Local\Temp\EZ0496.exe
  "C:\Users\Admin\AppData\Local\Temp\EZ0496.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:764

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

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

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Downloads

memory/764-19-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/764-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/764-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-23-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/764-22-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/764-21-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/764-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1812-6-0x00000000055B0000-0x000000000566C000-memory.dmp

Filesize
752KB

Download
memory/1812-3-0x0000000000200000-0x000000000020E000-memory.dmp

Filesize
56KB

Download
memory/1812-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/1812-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/1812-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/1812-20-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/1812-7-0x00000000007F0000-0x000000000082C000-memory.dmp

Filesize
240KB

Download
memory/1812-1-0x0000000000D00000-0x0000000000DCA000-memory.dmp

Filesize
808KB

Download
memory/1812-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download