agenttesla | ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859

General

Target

NEAS.POexe_JC.exe
Size

592KB
MD5

2b17ef662bfb9464153c8dbd60ccbad9
SHA1

a2883daa62d0f99d6cbf8b51b28d3f479c3807dc
SHA256

ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859
SHA512

e0cb94d546284ee3400a2e8f372b3365c0686ae5a6265b6bbd598f33d677d0582d29e0b6ef33dbadda496f89089a89a3bc9ead862708c4f19a7a5c96793284b4
SSDEEP

12288:Wi+rhsEgj79G/vpZyofAj+KD5icYPahZ:zITpq5icYPahZ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.giroplastic.com.br
Port:
587
Username:
[email protected]
Password:
#no2@tec
Email To:
[email protected]

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
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.POexe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.POexe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.POexe_JC.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3904 set thread context of 1588	3904	NEAS.POexe_JC.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1588	NEAS.POexe_JC.exe
1588	NEAS.POexe_JC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	NEAS.POexe_JC.exe
Token: SeDebugPrivilege	1588	NEAS.POexe_JC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1588	NEAS.POexe_JC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92
PID 3904 wrote to memory of 1588	3904	NEAS.POexe_JC.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.POexe_JC.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.POexe_JC.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.POexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.POexe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Users\Admin\AppData\Local\Temp\NEAS.POexe_JC.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.POexe_JC.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

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\NEAS.POexe_JC.exe.log

Filesize
1KB

MD5
489c7565f9b029ba9fadff774073cc98

SHA1
56c05089b33ee7e7dfa9e6a2d098164efd8e1150

SHA256
10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

SHA512
ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

Download Submit
memory/1588-13-0x0000000005D40000-0x0000000005D90000-memory.dmp

Filesize
320KB

Download
memory/1588-15-0x0000000005FC0000-0x0000000005FCA000-memory.dmp

Filesize
40KB

Download
memory/1588-18-0x0000000000E10000-0x0000000000E20000-memory.dmp

Filesize
64KB

Download
memory/1588-17-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1588-12-0x00000000050C0000-0x0000000005126000-memory.dmp

Filesize
408KB

Download
memory/1588-14-0x0000000005E30000-0x0000000005EC2000-memory.dmp

Filesize
584KB

Download
memory/1588-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1588-10-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1588-11-0x0000000000E10000-0x0000000000E20000-memory.dmp

Filesize
64KB

Download
memory/3904-2-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3904-1-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3904-0-0x00000000005D0000-0x000000000066A000-memory.dmp

Filesize
616KB

Download
memory/3904-6-0x0000000006C30000-0x00000000071D4000-memory.dmp

Filesize
5.6MB

Download
memory/3904-5-0x0000000006630000-0x000000000667C000-memory.dmp

Filesize
304KB

Download
memory/3904-16-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3904-4-0x0000000006540000-0x0000000006584000-memory.dmp

Filesize
272KB

Download
memory/3904-3-0x0000000005950000-0x00000000059A4000-memory.dmp

Filesize
336KB

Download

Analysis

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