agenttesla | 2f5d56e2623c6b4c27932cbb7e83a0cd27ffbbd5429f9cf11f289ef2b4024877

Analysis

max time kernel
112s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 16:18

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General

Target
b3fae54efa0edc661eb58b9328464c12.exe
Size 939KB
Sample221020-trxxfsdbf9
SHA256 2f5d56e2623c6b4c27932cbb7e83a0cd27ffbbd5429f9cf11f289ef2b4024877
MD5 b3fae54efa0edc661eb58b9328464c12
SHA1 301779984a2d6916eacdcb0bd362083f4c9b0645
SHA512 c7242ef23ad126fdbfdc3c20c080a887abcbd4180dd5b75f4115d093b6cb943b4629ae8735782bb58a23bedeaf33f3a3567988cc00fea1d7f34521e216add440
SSDEEP 12288:7bgwMBfEuV5094y3inWRIpzHNvQOmUV1R97GaXiijDqhyQWs1u2QTNubwSLjcR:HgRg3OLxv/pUkjDqHH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
ftp
Host
ftp.valvulasthermovalve.cl
Port
21
Username
[email protected]
Password
LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.valvulasthermovalve.cl/
Port
21
Username
[email protected]
Password
LILKOOLL14!!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3fae54efa0edc661eb58b9328464c12.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3fae54efa0edc661eb58b9328464c12.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3fae54efa0edc661eb58b9328464c12.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1064	b3fae54efa0edc661eb58b9328464c12.exe
1064	b3fae54efa0edc661eb58b9328464c12.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	b3fae54efa0edc661eb58b9328464c12.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91
PID 2576 wrote to memory of 1064	2576	b3fae54efa0edc661eb58b9328464c12.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3fae54efa0edc661eb58b9328464c12.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3fae54efa0edc661eb58b9328464c12.exe

C:\Users\Admin\AppData\Local\Temp\b3fae54efa0edc661eb58b9328464c12.exe
"C:\Users\Admin\AppData\Local\Temp\b3fae54efa0edc661eb58b9328464c12.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Users\Admin\AppData\Local\Temp\b3fae54efa0edc661eb58b9328464c12.exe
  "C:\Users\Admin\AppData\Local\Temp\b3fae54efa0edc661eb58b9328464c12.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1064-139-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1064-140-0x00000000064E0000-0x0000000006530000-memory.dmp

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memory/2576-132-0x0000000000CD0000-0x0000000000DC0000-memory.dmp

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memory/2576-133-0x0000000008140000-0x00000000086E4000-memory.dmp

Download

memory/2576-134-0x0000000007C30000-0x0000000007CC2000-memory.dmp

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memory/2576-135-0x0000000007DE0000-0x0000000007DEA000-memory.dmp

Download

memory/2576-136-0x000000000D7A0000-0x000000000D83C000-memory.dmp

Download

memory/2576-137-0x000000000D840000-0x000000000D8A6000-memory.dmp

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