agenttesla | a96ca760a6d6768889a0c4fe53db73ec3ada0f1397947e063065831f50898a16

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 01:15

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General

Target

jli.dll
Size

14.9MB
MD5

e1fec253d915b28b1b26b6b639ed6c9b
SHA1

6ea45e8acfd2f935fabdb1b25ad4eb4b22626926
SHA256

b218c3a382a8039d476e9058493d4482a3458fcbe13299ba3f4dec9d7133cab1
SHA512

dd2364005c0742bb49416d9cdc973edaa87cc771b271e8dcb207ded42a58109384a1c1d41898508d229e4554c766c86b954cf09729558931d7c814da069ab415
SSDEEP

98304:VOQFdSNXPB17DaZULskCR2cEtbY4/mj78GfZuhE3x7d3:VzeXPB17DLLhCR2cEt8jAGRuhE

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
11	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4824 set thread context of 2320	4824	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
2320	AddInProcess32.exe
2320	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82
PID 4824 wrote to memory of 2320	4824	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jli.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4824
- 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:2320

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/2320-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-1-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/2320-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/2320-3-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/2320-4-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/2320-5-0x00000000067A0000-0x00000000067F0000-memory.dmp

Filesize
320KB

Download
memory/2320-6-0x0000000006890000-0x0000000006922000-memory.dmp

Filesize
584KB

Download
memory/2320-7-0x0000000006820000-0x000000000682A000-memory.dmp

Filesize
40KB

Download
memory/2320-8-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/2320-9-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download