agenttesla | 378a5373cb0cdab87777f9864381aaeca5bb38f6bd97108feaeedef6f46ea512

General

Target

z40Lsbgddffz3E3gUR.exe
Size

628KB
MD5

c2e1460408151bfafe7f52dfb4750afd
SHA1

49741ca58a04a95490df18ce1bfd697eced7e176
SHA256

378a5373cb0cdab87777f9864381aaeca5bb38f6bd97108feaeedef6f46ea512
SHA512

dbe5f730db165faa34563e1e967229568ac6deef0e1187e549b8d479f3cad1ad1dd85dfa598b8c7174ddd4d836a9da190e3b8d4e75b571f1b81bed9eab112f32
SSDEEP

12288:qa5Wgd2+vQo6mVoZZmcwJE4w6W0AYesYASN3hE5D84qI:ugd0oVI94w6WFjZASN3q5A4B

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1222063930139086928/2Vg1Z1z7AWyTYIiICGAds8u69Kb-0e0rknSGkQxVLW2pI6G-7AwX8FCkrKw70QfPItcz

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

34 discord.com
35 discord.com
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

24 api.ipify.org
26 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

z40Lsbgddffz3E3gUR.exe

description pid process target process

PID 2312 set thread context of 452 2312 z40Lsbgddffz3E3gUR.exe z40Lsbgddffz3E3gUR.exe

flow	ioc
34	discord.com
35	discord.com

flow	ioc
24	api.ipify.org
26	api.ipify.org

description	pid	process	target process
PID 2312 set thread context of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

z40Lsbgddffz3E3gUR.exez40Lsbgddffz3E3gUR.exe

pid	process
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
2312	z40Lsbgddffz3E3gUR.exe
452	z40Lsbgddffz3E3gUR.exe
452	z40Lsbgddffz3E3gUR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

z40Lsbgddffz3E3gUR.exez40Lsbgddffz3E3gUR.exe

description pid process

Token: SeDebugPrivilege 2312 z40Lsbgddffz3E3gUR.exe
Token: SeDebugPrivilege 452 z40Lsbgddffz3E3gUR.exe

description	pid	process
Token: SeDebugPrivilege	2312	z40Lsbgddffz3E3gUR.exe
Token: SeDebugPrivilege	452	z40Lsbgddffz3E3gUR.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

z40Lsbgddffz3E3gUR.exe

description	pid	process	target process
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe
PID 2312 wrote to memory of 452	2312	z40Lsbgddffz3E3gUR.exe	z40Lsbgddffz3E3gUR.exe

C:\Users\Admin\AppData\Local\Temp\z40Lsbgddffz3E3gUR.exe
"C:\Users\Admin\AppData\Local\Temp\z40Lsbgddffz3E3gUR.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312

C:\Users\Admin\AppData\Local\Temp\z40Lsbgddffz3E3gUR.exe
"C:\Users\Admin\AppData\Local\Temp\z40Lsbgddffz3E3gUR.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\z40Lsbgddffz3E3gUR.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/452-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/452-21-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/452-20-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/452-19-0x00000000067A0000-0x00000000067F0000-memory.dmp

Filesize
320KB

Download
memory/452-18-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/452-15-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/452-17-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2312-10-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2312-9-0x0000000007F70000-0x0000000007FF4000-memory.dmp

Filesize
528KB

Download
memory/2312-0-0x0000000000760000-0x0000000000802000-memory.dmp

Filesize
648KB

Download
memory/2312-11-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download
memory/2312-8-0x0000000005450000-0x000000000545C000-memory.dmp

Filesize
48KB

Download
memory/2312-7-0x0000000005440000-0x0000000005452000-memory.dmp

Filesize
72KB

Download
memory/2312-6-0x0000000005520000-0x00000000055BC000-memory.dmp

Filesize
624KB

Download
memory/2312-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2312-5-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/2312-4-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download
memory/2312-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/2312-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/2312-1-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing