agenttesla | a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1

General

Target

a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
Size

1.5MB
MD5

1ca6af379c0214866c0dc1dd663e5f14
SHA1

1aa241cfdc34856c9a97432659a8b7b0148a5968
SHA256

a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1
SHA512

eb89d99d47a816b4cd3ca6242d9871ee4b82a8a7e2e6dca6a8b1745513eddd42c8473a4ff88eb9d718e0effbc47538162c9d8c45c2abc38df3c84866cc7b772e
SSDEEP

24576:ib+9LvAxdmbmo8LQlXZuhnsqXzZv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:i4vAxMmoNunTDPjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.syntrnomh.com
Port:
587
Username:
[email protected]
Password:
Tdn$AuZro1

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
behavioral2/memory/4344-5-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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 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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91

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	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
4344	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
4344	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
Token: SeDebugPrivilege	4344	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2084	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	90
PID 1552 wrote to memory of 2084	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	90
PID 1552 wrote to memory of 2084	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	90
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91
PID 1552 wrote to memory of 4344	1552	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe

C:\Users\Admin\AppData\Local\Temp\a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
"C:\Users\Admin\AppData\Local\Temp\a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Users\Admin\AppData\Local\Temp\a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
  "{path}"
  2⤵
  PID:2084
- C:\Users\Admin\AppData\Local\Temp\a4dcfe18804bf673a680beb541520103afa18564eef63649ec9c36659e682fe1.exe
  "{path}"
  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:4344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1552-10-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/1552-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/1552-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/1552-3-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/1552-4-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/1552-0-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/4344-9-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-7-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-8-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4344-11-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-12-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-13-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-14-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-15-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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