agenttesla | ee66a185008549b9ca0c687a78aa6a69e4770dd12cab9dc63d5346c1f570904b

Resubmissions

12/03/2025, 21:32

250312-1dmynatxey 10

11/03/2025, 16:10

250311-tmgdxaxnx4 10

06/03/2025, 02:30

250306-cze8yav1az 10

Analysis

max time kernel
98s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2025, 02:30

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General

Target

51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
Size

482KB
MD5

d5c6afc24d4fff226ae1190fde23e514
SHA1

e342136d49082c798e5da37f27a0bad894e3e4ce
SHA256

51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209
SHA512

4cfa0f5bacd1521792bc3278bd0b25871da1b86afc7e7a243b89cd2a7ccd7119ab013422c1cccad06790e2d5b3885180047684d5a3504d6a1f86ad42aba0a575
SSDEEP

12288:iCMnvQcYyer7in58R3wgG56gtIRQA/wpS:WvgyKG5c45ptIiA/wpS

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.boydsteamships.com
Port:
587
Username:
[email protected]
Password:
co*tNjEBt4

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
behavioral12/memory/3436-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 468 set thread context of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3436	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
3436	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
Token: SeDebugPrivilege	3436	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92
PID 468 wrote to memory of 3436	468	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe

C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
"C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:468
- C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.exe
  "C:\Users\Admin\AppData\Local\Temp\51bd8c50dd5a58aa312bbcd0db0a1c297b929b8addb04cca5552a0ed1a79b209.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:3436

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 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/468-8-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/468-13-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/468-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/468-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

Filesize
584KB

Download
memory/468-4-0x0000000004FD0000-0x0000000005036000-memory.dmp

Filesize
408KB

Download
memory/468-5-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/468-6-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/468-7-0x000000007538E000-0x000000007538F000-memory.dmp

Filesize
4KB

Download
memory/468-1-0x0000000000D00000-0x0000000000D7E000-memory.dmp

Filesize
504KB

Download
memory/468-0-0x000000007538E000-0x000000007538F000-memory.dmp

Filesize
4KB

Download
memory/3436-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3436-12-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/3436-11-0x00000000054F0000-0x000000000558C000-memory.dmp

Filesize
624KB

Download
memory/3436-10-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/3436-14-0x0000000005410000-0x0000000005428000-memory.dmp

Filesize
96KB

Download
memory/3436-15-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/3436-16-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/3436-17-0x0000000006260000-0x00000000062B0000-memory.dmp

Filesize
320KB

Download