agenttesla | 31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27

General

Target

31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
Size

760KB
MD5

878c1cce63fd9ac1b5008cde30742a01
SHA1

8c264e6d1f766aa29cb1c0428fcf2aa1feaf8049
SHA256

31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27
SHA512

932bbc36ef62a3704c2047e03eb874b21571c83b6c23dbf33f734503fdd85f21916f05ab0603abf9fa9f41aed09b83cf4440682ff47fb9e5abd01f56bf61591e
SSDEEP

12288:wa8UpA6qRSE8+JfIEF/WAK6zPmnWutMIaQ3tCHi25dGgxoJtMbcdMkuvMNptn0Uf:WVpK6z+ni89CHrvUMbcvaEqRZGl

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
K@maR1-2019Hotelss

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/3000-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3000-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3000-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3000-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3000-10-0x0000000000400000-0x000000000043C000-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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.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	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
3000	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
3000	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3000	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
Token: SeDebugPrivilege	3000	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2828	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	29
PID 2380 wrote to memory of 2828	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	29
PID 2380 wrote to memory of 2828	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	29
PID 2380 wrote to memory of 2828	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	29
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30
PID 2380 wrote to memory of 3000	2380	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe

C:\Users\Admin\AppData\Local\Temp\31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
"C:\Users\Admin\AppData\Local\Temp\31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
  "{path}"
  2⤵
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\31965763c2f104608614e8df20a07fb1f40746e531d88c2f0b54f919b5f81c27.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

memory/2380-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000000AA0000-0x0000000000B64000-memory.dmp

Filesize
784KB

Download
memory/2380-2-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/2380-4-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000005320000-0x000000000539A000-memory.dmp

Filesize
488KB

Download
memory/2380-7-0x0000000000890000-0x00000000008CC000-memory.dmp

Filesize
240KB

Download
memory/2380-19-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3000-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-20-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-21-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-22-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-23-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-25-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads