agenttesla | 2a2d5c88b75c24a8ee267fcab7668a6e1f27138e54b98e05454903f90d426f7f

General

Target

comprobante de pago.exe
Size

2.4MB
MD5

2be05e23b58f0391fa6ff8f4fd3e4cf2
SHA1

6016c4770545b024784d39359aa1476b468ff127
SHA256

d41dac29dbd4d480221a0598ef8a784fcc856f2cca2dae9c8dd38adc01d7ebb8
SHA512

6753dbc9b858ccbc08c402b21da4b3d43785097f5cfd8e02cb894c4d55735e34e907403737b5a7d183c5fe94bc6a034613cf434c582408ab3ebb22c1067a42de
SSDEEP

49152:w3ASbdYAm4zEbdYAm4zWbdYAm4z23Ag3AWbdYAm4zSbdYAm4zO3AKBGmhesZjzQ:iA4drWdr0drkASA0dr4dr8AVHsBzQ

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.horeca-bucuresti.ro
Port:
21
Username:
[email protected]
Password:
e)rWKbKP8~mO

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
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 3 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

Credentials from Web Browsers
T1555.003

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
14	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 400 set thread context of 3748	400	comprobante de pago.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	comprobante de pago.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3748	regasm.exe
3748	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
400	comprobante de pago.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
400	comprobante de pago.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 3748	400	comprobante de pago.exe	82
PID 400 wrote to memory of 3748	400	comprobante de pago.exe	82
PID 400 wrote to memory of 3748	400	comprobante de pago.exe	82
PID 400 wrote to memory of 3748	400	comprobante de pago.exe	82

C:\Users\Admin\AppData\Local\Temp\comprobante de pago.exe
"C:\Users\Admin\AppData\Local\Temp\comprobante de pago.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/400-39-0x0000000074FB0000-0x000000007510D000-memory.dmp

Filesize
1.4MB

Download
memory/400-3-0x0000000077362000-0x0000000077363000-memory.dmp

Filesize
4KB

Download
memory/400-4-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/400-11-0x0000000074FB0000-0x000000007510D000-memory.dmp

Filesize
1.4MB

Download
memory/400-10-0x0000000074FE1000-0x0000000074FE2000-memory.dmp

Filesize
4KB

Download
memory/400-9-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/400-15-0x0000000074FB0000-0x000000007510D000-memory.dmp

Filesize
1.4MB

Download
memory/400-34-0x0000000074FB0000-0x000000007510D000-memory.dmp

Filesize
1.4MB

Download
memory/400-0-0x0000000000010000-0x0000000000279000-memory.dmp

Filesize
2.4MB

Download
memory/3748-42-0x0000000001230000-0x0000000001231000-memory.dmp

Filesize
4KB

Download
memory/3748-38-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3748-41-0x0000000077362000-0x0000000077363000-memory.dmp

Filesize
4KB

Download
memory/3748-43-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/3748-44-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3748-45-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/3748-46-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/3748-47-0x0000000074120000-0x00000000748D0000-memory.dmp

Filesize
7.7MB

Download
memory/3748-48-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/3748-49-0x0000000006BE0000-0x0000000006C72000-memory.dmp

Filesize
584KB

Download
memory/3748-50-0x0000000006B70000-0x0000000006B7A000-memory.dmp

Filesize
40KB

Download
memory/3748-51-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/3748-52-0x0000000074120000-0x00000000748D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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