agenttesla | 7cfd9f48da9d60e61380a3bf7b4bdde5a03817a7d95bfd9f84c228a2e313fab8

General

Target

FACTURA-098767k.bat.exe
Size

2.6MB
MD5

98e00105d9bdeb0c10a0987cb657b0b9
SHA1

f5cb6141dc4eafa33aa03c5a2e2a9dd19af576b0
SHA256

7cfd9f48da9d60e61380a3bf7b4bdde5a03817a7d95bfd9f84c228a2e313fab8
SHA512

a7c27c4fc8b8a81d94172ae7199c42b7e6137f8e7c4cc7396042e927c35e47f65564968cc951a011ec9e5b73def8f622ed59d8f978ef973962ff579adcf56e1c
SSDEEP

6144:6lEwrBTf7qi2dFXtYpJqCZ+Ub5nJnYa8kWZc3m9tJLK5E2XlXszMBug7Osngx2qY:ZSdtUFXtiP8oZUq7Gtg7vnml6

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
johnson@antoniomayol.com
Password:
cMhKDQUk1{;%

Signatures

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

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows UpdateHelper = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Support\\UpdateHelper.exe"	FACTURA-098767k.bat.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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 3016	2716	FACTURA-098767k.bat.exe	32

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	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3016	installutil.exe
3016	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	installutil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2808	2716	FACTURA-098767k.bat.exe	31
PID 2716 wrote to memory of 2808	2716	FACTURA-098767k.bat.exe	31
PID 2716 wrote to memory of 2808	2716	FACTURA-098767k.bat.exe	31
PID 2716 wrote to memory of 2808	2716	FACTURA-098767k.bat.exe	31
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32
PID 2716 wrote to memory of 3016	2716	FACTURA-098767k.bat.exe	32

C:\Users\Admin\AppData\Local\Temp\FACTURA-098767k.bat.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA-098767k.bat.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2808
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3016

Network

DNS

ip-api.com

installutil.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A

Response

ip-api.com

IN A

208.95.112.1
GET

http://ip-api.com/line/?fields=hosting

installutil.exe

Remote address:

208.95.112.1:80

Request

GET /line/?fields=hosting HTTP/1.1
Host: ip-api.com
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Fri, 17 Jan 2025 07:58:12 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 6
Access-Control-Allow-Origin: *
X-Ttl: 60
X-Rl: 44

208.95.112.1:80

http://ip-api.com/line/?fields=hosting

http

installutil.exe

310 B
347 B
5
4

HTTP Request

GET http://ip-api.com/line/?fields=hosting

HTTP Response

200

8.8.8.8:53

ip-api.com

dns

installutil.exe

56 B
72 B
1
1

DNS Request

ip-api.com

DNS Response

208.95.112.1

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3016-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-6-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/3016-7-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-8-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/3016-9-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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