agenttesla | c7e5612eca504249bfde7ecc7bcdb3bb2220e9f0599aa675b6acd939d29e47bb

General

Target

IMG-20220926-WA0000000008....exe
Size

882KB
MD5

a5e9194aebaee807a27b58dcc1a9b000
SHA1

94932b210e64a2349f6e824631dcc8298e719e09
SHA256

c7e5612eca504249bfde7ecc7bcdb3bb2220e9f0599aa675b6acd939d29e47bb
SHA512

a9df6bf6dc98d11d89b31d353a7dda6db76906940b2b181961a42fa5f57b1d560e297f4d737bb80f18b43e5d41e8017379ed9acfda4835a5fd80af9e0e945d2c
SSDEEP

12288:V7C+LVFcxr4tlKD9xK4oIl5j0Ne6Oz2NUMfyTiADqjJ5nu9H:BCWVF77WvXoIfoU6KMf7jrk

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.toala.com.mx
Port:
587
Username:
[email protected]
Password:
oceano2012
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2876-138-0x0000000000400000-0x000000000043C000-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
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

Processes:

IMG-20220926-WA0000000008....exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG-20220926-WA0000000008....exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG-20220926-WA0000000008....exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG-20220926-WA0000000008....exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG-20220926-WA0000000008....exe

description pid process target process

PID 4296 set thread context of 2876 4296 IMG-20220926-WA0000000008....exe IMG-20220926-WA0000000008....exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

IMG-20220926-WA0000000008....exe

pid process

2876 IMG-20220926-WA0000000008....exe
2876 IMG-20220926-WA0000000008....exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

IMG-20220926-WA0000000008....exe

description pid process

Token: SeDebugPrivilege 2876 IMG-20220926-WA0000000008....exe

description	pid	process	target process
PID 4296 set thread context of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe

pid	process
2876	IMG-20220926-WA0000000008....exe
2876	IMG-20220926-WA0000000008....exe

description	pid	process
Token: SeDebugPrivilege	2876	IMG-20220926-WA0000000008....exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

IMG-20220926-WA0000000008....exe

description	pid	process	target process
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe
PID 4296 wrote to memory of 2876	4296	IMG-20220926-WA0000000008....exe	IMG-20220926-WA0000000008....exe

outlook_office_path 1 IoCs

Processes:

IMG-20220926-WA0000000008....exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG-20220926-WA0000000008....exe

outlook_win_path 1 IoCs

Processes:

IMG-20220926-WA0000000008....exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG-20220926-WA0000000008....exe

C:\Users\Admin\AppData\Local\Temp\IMG-20220926-WA0000000008....exe
"C:\Users\Admin\AppData\Local\Temp\IMG-20220926-WA0000000008....exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4296

C:\Users\Admin\AppData\Local\Temp\IMG-20220926-WA0000000008....exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IMG-20220926-WA0000000008....exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/2876-137-0x0000000000000000-mapping.dmp

Download
memory/2876-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2876-140-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/2876-141-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/4296-132-0x0000000000720000-0x0000000000802000-memory.dmp

Filesize
904KB

Download
memory/4296-133-0x00000000058B0000-0x0000000005E54000-memory.dmp

Filesize
5.6MB

Download
memory/4296-134-0x00000000051F0000-0x0000000005282000-memory.dmp

Filesize
584KB

Download
memory/4296-135-0x0000000005300000-0x000000000539C000-memory.dmp

Filesize
624KB

Download
memory/4296-136-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads