agenttesla | 798ac7fec4d7f0dae13b926df39114396165281abd897774aace810e3c293606

General

Target

purchase-Order20200910_pdf.exe
Size

1.3MB
MD5

32489a1c52e2d01f126f44a5f0f3c059
SHA1

7d94c5f3c20ab2c315c2a62b38de61ded4cece5d
SHA256

aa7bb4cef770d1c8fe06f5e4d7a0bff3c2947df233dd5c78f731a154c07f5013
SHA512

ee70bc23e8d0eae9507b95a01628977f09eed6c1689fa9e627b7d5eed6b15b71418fd7ac474b77474e678c12e2cc078bcd9f1fa287c0898adb5ec9ddabd6d318
SSDEEP

24576:cQtI9fqDlRzkeqByXghDBH+fWGfFXg0wkHHS41WLQe:VvRjqVhliWSXggnS41WL

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:
lilkooll1234

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2628-17-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2628-15-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2628-13-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2628-10-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2628-8-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2160 set thread context of 2628	2160	purchase-Order20200910_pdf.exe	31

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	purchase-Order20200910_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase-Order20200910_pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2628	purchase-Order20200910_pdf.exe
2628	purchase-Order20200910_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	purchase-Order20200910_pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31
PID 2160 wrote to memory of 2628	2160	purchase-Order20200910_pdf.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase-Order20200910_pdf.exe

C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase-Order20200910_pdf.exe"
  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/2160-0-0x00000000742D1000-0x00000000742D2000-memory.dmp

Filesize
4KB

Download
memory/2160-1-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2160-2-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2160-3-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2160-4-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2160-20-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2628-19-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-18-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-13-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

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

Filesize
4KB

Download
memory/2628-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2628-8-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2628-7-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2628-5-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2628-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2628-21-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-22-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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