agenttesla | 0dde348228b5ad99d94e434be378b31e114ec0dbb9a008db1218d3a349ceea8b | Triage

Analysis

max time kernel
91s
max time network
110s
platform
windows10_x64
resource
win10
submitted
13-07-2020 11:28

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General

Target

ab953158dc7becaab002a73e470a407c.exe
Size

330KB
MD5

ab953158dc7becaab002a73e470a407c
SHA1

14472408f8cd901022c2ecb57e9efcd9f654b482
SHA256

0dde348228b5ad99d94e434be378b31e114ec0dbb9a008db1218d3a349ceea8b
SHA512

4d4295d080542f77cf5b138e04ec39acc5876af82461cc0618be8a5dd3be1a01db9c3d67708c0030ed3d44b6e9507d4a8f6316f98397ee5015a5edfcb75d0a87

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mangero.xyz
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mangero.xyz
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3952-0-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral2/memory/3952-1-0x00000000004475BE-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

ab953158dc7becaab002a73e470a407c.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\prince = "C:\\Users\\Admin\\AppData\\Local\\Temp\\prince\\prince.exe"	ab953158dc7becaab002a73e470a407c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ab953158dc7becaab002a73e470a407c.exe

description	pid	Process	procid_target
PID 3588 set thread context of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ab953158dc7becaab002a73e470a407c.exe

pid	Process
3952	ab953158dc7becaab002a73e470a407c.exe
3952	ab953158dc7becaab002a73e470a407c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ab953158dc7becaab002a73e470a407c.exe

description	pid	Process
Token: SeDebugPrivilege	3952	ab953158dc7becaab002a73e470a407c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ab953158dc7becaab002a73e470a407c.exe

pid	Process
3952	ab953158dc7becaab002a73e470a407c.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ab953158dc7becaab002a73e470a407c.exe

description	pid	Process	procid_target
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68
PID 3588 wrote to memory of 3952	3588	ab953158dc7becaab002a73e470a407c.exe	68

C:\Users\Admin\AppData\Local\Temp\ab953158dc7becaab002a73e470a407c.exe
"C:\Users\Admin\AppData\Local\Temp\ab953158dc7becaab002a73e470a407c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\ab953158dc7becaab002a73e470a407c.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3952

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:3800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ab953158dc7becaab002a73e470a407c.exe.log

MD5
c33b4293a0023b388d1a816aba4901f1

SHA1
a793fe7d4694457873aa26a454a5d4b0207d7d54

SHA256
5b4a63ea1ce7cc18eb1be775ffb52b342bb678f265c88d4518d8e1fe44a55234

SHA512
d04308b55218a71bd09562de76a8030e6327fb0143695e01cb25fb5ad6a9b3715425e4782dc5d27b0aaaf0d71048f0886099df6ce87e29e796abe3727fd1ba53

Download Submit
memory/3952-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3952-1-0x00000000004475BE-mapping.dmp

Download