agenttesla | 0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-06-2024 01:15

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General

Target

0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe
Size

20KB
MD5

c17a000a75e50f382f6ffec2d070ab8b
SHA1

2b270a900e9b499f8ae88ac1b02521dc882dd495
SHA256

0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4
SHA512

d7491a173af9f7ead502d31d683daa75f3240c8093a67864f8808a2d93cca6f39bcc657dbda8eaced7eef8f505cd1afbb15ada3d8db21809e31f0d287e420f5b
SSDEEP

384:Qsz6lEJmkO5IpSFO4zGENprg/skcs0yCjxaMmi:QvlEoN8d4ltzQJi

Score

10^/10

agenttesla purecrypter downloader keylogger loader persistence spyware stealer trojan

Malware Config

Extracted

Family

purecrypter

https://nexoproducciones.cl/Iajjilhvtid.mp3

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wassadadvogados.com.br
Port:
587
Username:
[email protected]
Password:
TkuGA;DYH+It
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
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

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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox = "C:\\Users\\Admin\\AppData\\Roaming\\firefox.exe"	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2636	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe
2636	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe
Token: SeDebugPrivilege	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe
Token: SeDebugPrivilege	2636	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28
PID 1720 wrote to memory of 2636	1720	0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe	28

C:\Users\Admin\AppData\Local\Temp\0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe
"C:\Users\Admin\AppData\Local\Temp\0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe
  "C:\Users\Admin\AppData\Local\Temp\0bf4d14c8cec8f44b0c85da0df126606b0a34829c430d89a21ee47b865cfc9d4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1720-23-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-57-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-3-0x00000000096C0000-0x00000000098F0000-memory.dmp

Filesize
2.2MB

Download
memory/1720-7-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-4-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-5-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-9-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-13-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-19-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-21-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-27-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-39-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-37-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-43-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-45-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/1720-35-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-33-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-31-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-29-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-25-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-15-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-17-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-41-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-11-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-47-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-49-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-67-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-65-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-63-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-61-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-59-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-4890-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-1-0x0000000001030000-0x000000000103C000-memory.dmp

Filesize
48KB

Download
memory/1720-55-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-53-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-51-0x00000000096C0000-0x00000000098EB000-memory.dmp

Filesize
2.2MB

Download
memory/1720-4892-0x00000000058A0000-0x00000000058EC000-memory.dmp

Filesize
304KB

Download
memory/1720-4891-0x0000000006350000-0x00000000063BE000-memory.dmp

Filesize
440KB

Download
memory/1720-4893-0x0000000005B30000-0x0000000005B84000-memory.dmp

Filesize
336KB

Download
memory/1720-4916-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-4917-0x0000000000080000-0x00000000000C4000-memory.dmp

Filesize
272KB

Download
memory/2636-4918-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-4915-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-4919-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download