agenttesla | 137e9fccdb01a5fab34c848d9adcd8367eef3b5b3bc90f9da975194baff54023

General

Target
4f3ba00c238e7b22f320130564fac081.exe
Size 649KB
Sample221213-vmze6afc29
SHA256 137e9fccdb01a5fab34c848d9adcd8367eef3b5b3bc90f9da975194baff54023
MD5 4f3ba00c238e7b22f320130564fac081
SHA1 b05c47613e1f4b23a48b5651cfb4fee9f60bb805
SHA512 10ad319ee01536f041da9f74465fd531c79f03eb166dfe78a6747b45163bf99916f065696851eb8dbdfc613b1c8a335b7b0ec3b2a21a7f6faf89147cd5e3e6c7
SSDEEP 12288:P499YWMXghIXUaAe/qAq2+2KBLJKmP/+X4kgxpxGRw+y6xp:PIMVXUj+P9wJBprxGRw+yi
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
ftp
Host
ftp.valvulasthermovalve.cl
Port
21
Username
[email protected]
Password
LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.valvulasthermovalve.cl/
Port
21
Username
[email protected]
Password
LILKOOLL14!!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f3ba00c238e7b22f320130564fac081.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f3ba00c238e7b22f320130564fac081.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f3ba00c238e7b22f320130564fac081.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5008 set thread context of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5008	4f3ba00c238e7b22f320130564fac081.exe
5008	4f3ba00c238e7b22f320130564fac081.exe
3768	4f3ba00c238e7b22f320130564fac081.exe
3768	4f3ba00c238e7b22f320130564fac081.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	4f3ba00c238e7b22f320130564fac081.exe
Token: SeDebugPrivilege	3768	4f3ba00c238e7b22f320130564fac081.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 796	5008	4f3ba00c238e7b22f320130564fac081.exe	104
PID 5008 wrote to memory of 796	5008	4f3ba00c238e7b22f320130564fac081.exe	104
PID 5008 wrote to memory of 796	5008	4f3ba00c238e7b22f320130564fac081.exe	104
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105
PID 5008 wrote to memory of 3768	5008	4f3ba00c238e7b22f320130564fac081.exe	105

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f3ba00c238e7b22f320130564fac081.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f3ba00c238e7b22f320130564fac081.exe

C:\Users\Admin\AppData\Local\Temp\4f3ba00c238e7b22f320130564fac081.exe
"C:\Users\Admin\AppData\Local\Temp\4f3ba00c238e7b22f320130564fac081.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Local\Temp\4f3ba00c238e7b22f320130564fac081.exe
  "C:\Users\Admin\AppData\Local\Temp\4f3ba00c238e7b22f320130564fac081.exe"
  2⤵
  PID:796
- C:\Users\Admin\AppData\Local\Temp\4f3ba00c238e7b22f320130564fac081.exe
  "C:\Users\Admin\AppData\Local\Temp\4f3ba00c238e7b22f320130564fac081.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3768-137-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/3768-138-0x0000000005820000-0x0000000005DC4000-memory.dmp

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memory/3768-139-0x0000000005DD0000-0x0000000005E36000-memory.dmp

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memory/3768-140-0x00000000063C0000-0x0000000006410000-memory.dmp

Download

memory/3768-141-0x00000000069F0000-0x00000000069FA000-memory.dmp

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memory/5008-132-0x0000000000490000-0x0000000000536000-memory.dmp

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memory/5008-133-0x00000000052A0000-0x0000000005332000-memory.dmp

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memory/5008-134-0x0000000005A60000-0x0000000005AFC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads