agenttesla | 6db7eb8417d857e5ec233780642a849807a4e1ad7ab6f60e43d45ce0018e75bf

Analysis

max time kernel
94s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 01:21

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General

Target

vsdebugeng.dll
Size

20.9MB
MD5

60d1e11094c90e2b61303bae9160168f
SHA1

9cf1010a9f8182d32b2f0d218676e3c6ac878dee
SHA256

24aa1271d64fa8895002e63442ede07b06acbc83781fc91a399bb159f22c7318
SHA512

43d69a2a4b7827f59d9a0778bf28344c880d9825244d0e011ae722eb019b914ac6705fa3b87d4fdca8c741147e82c3d93b409ec1dc94a8a2878f6cc9d285f82b
SSDEEP

196608:0RULr8lp6kocdcbf8hvH6wUpiJqtC34BjQKjkt0aPLb0tsR7hbQQ:Y6edcbf89H6wUpiJatjO0aPLb0q7hX

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.transotraval.cl
Port:
21
Username:
[email protected]
Password:
vIZ2P]dt&a!d

Signatures

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

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
13	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4836 set thread context of 3256	4836	rundll32.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3256	AddInProcess32.exe
3256	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3256	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82
PID 4836 wrote to memory of 3256	4836	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vsdebugeng.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3256-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3256-1-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/3256-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/3256-3-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/3256-4-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3256-5-0x0000000006490000-0x00000000064E0000-memory.dmp

Filesize
320KB

Download
memory/3256-6-0x0000000006580000-0x0000000006612000-memory.dmp

Filesize
584KB

Download
memory/3256-7-0x0000000006520000-0x000000000652A000-memory.dmp

Filesize
40KB

Download
memory/3256-8-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/3256-9-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download