agenttesla | 345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5

General

Target

345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
Size

523KB
MD5

ef7714940bb7216788f56dab792ed3b0
SHA1

828d1953fe85b98f0d2a5f00fd7e59fa151dd02e
SHA256

345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5
SHA512

aa18fc0e04d52aad4d4650948003b8e19618abdac4a254e8132e2377933899d1b03cedfb0bcf18791fdea1ccb9cddb423c08d3e54f174fc472ad0ced89ae3f6f
SSDEEP

12288:vYcndtWt5LAiFl/rYCCZdd7Us9zue3o1MCksxfbyLJBJkolAgLV:vYcWtiijrYCCZdNUKzua+M7sxc

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
darkeyedarkeye12

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla 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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30

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	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
2628	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
2628	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
Token: SeDebugPrivilege	2628	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30
PID 1608 wrote to memory of 2628	1608	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe

C:\Users\Admin\AppData\Local\Temp\345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe
"C:\Users\Admin\AppData\Local\Temp\345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\345cbeb4d36f5105cc3310869d4dfb0d4767e1da39ee250aaf83a4e6b5923ea5.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:2628

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/1608-0-0x0000000074D91000-0x0000000074D92000-memory.dmp

Filesize
4KB

Download
memory/1608-1-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1608-2-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1608-3-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1608-4-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1608-20-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-18-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-19-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-21-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2628-22-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-23-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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