agenttesla | b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423

General

Target

b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe
Size

603KB
MD5

ce1266300ed553720121f7d8b456929d
SHA1

d32ea212ecb30362eaee98f75f0cbb5f5dafcd1c
SHA256

b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423
SHA512

322570694975a49b9ea227091df4cee3ce274879321c6dceec1c8e3b67825b5e9cb43d2e7ffbab3c2bfa07524e98f19d867ff6dfe5d8825c23da0765ab098931
SSDEEP

12288:yjr9M+b5OXuaE9O00NjWpTNJRfzaewKrL/:yjr9LcVEcjNjWfeew0z

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs

resource	yara_rule
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-12-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-15-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-20-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-17-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-22-0x0000000004D10000-0x0000000004D50000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/2480-5-0x0000000000BA0000-0x0000000000BAC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2480 set thread context of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28
PID 2480 wrote to memory of 2612	2480	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe

C:\Users\Admin\AppData\Local\Temp\b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe
"C:\Users\Admin\AppData\Local\Temp\b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe
  "C:\Users\Admin\AppData\Local\Temp\b17e991349d87089f0a98094f780531ff8ee0b89a2446aeeecd61eb77b2c5423.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2480-0-0x0000000000D50000-0x0000000000DEE000-memory.dmp

Filesize
632KB

Download
memory/2480-1-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2480-2-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download
memory/2480-3-0x0000000000520000-0x0000000000534000-memory.dmp

Filesize
80KB

Download
memory/2480-4-0x0000000000AE0000-0x0000000000AE8000-memory.dmp

Filesize
32KB

Download
memory/2480-5-0x0000000000BA0000-0x0000000000BAC000-memory.dmp

Filesize
48KB

Download
memory/2480-6-0x0000000004DA0000-0x0000000004E0A000-memory.dmp

Filesize
424KB

Download
memory/2480-18-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2612-21-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-22-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/2612-23-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-24-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download

Analysis

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