agenttesla | aadeddf7085ebe4c3baef70203b5891e00ca771437f6a99176fe0ce99e965943

General

Target

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
Size

558KB
MD5

ed125c3cecce28197ac78d02b2b726dc
SHA1

936593ab3c355cc050d726d1ecb804734256eb91
SHA256

068f8f5419192944a9428ea625fe56e1e8ad5cc35547988c335293975b952591
SHA512

44800d2fbb240a54b36420eeb57d65f772f2ef0853392a9234d98108365e3006b79b2f131a659720c7d8917db6e4d6e33c14e619636a521e75819336fa8bbb40

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
SMTP.epaindemgroup.com
Port:
587
Username:
[email protected]
Password:
aduR#@wG#r73

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1156-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1156-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1156-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1156-67-0x0000000000447EAE-mapping.dmp	family_agenttesla
behavioral1/memory/1156-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1156-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjOqucsC = "C:\\Users\\Admin\\AppData\\Roaming\\vWCfqFL\\eISwg.exe"	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	pid	process	target process
PID 1860 set thread context of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1752 schtasks.exe

pid	process
1752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exeCOTIZACIÓN__pdf_______________________________________________________________________________657575.exe

pid	process
1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
1156	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
1156	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exeCOTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	pid	process
Token: SeDebugPrivilege	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
Token: SeDebugPrivilege	1156	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

pid process

1156 COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

pid	process
1156	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	pid	process	target process
PID 1860 wrote to memory of 1752	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	schtasks.exe
PID 1860 wrote to memory of 1752	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	schtasks.exe
PID 1860 wrote to memory of 1752	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	schtasks.exe
PID 1860 wrote to memory of 1752	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	schtasks.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
PID 1860 wrote to memory of 1156	1860	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

outlook_office_path 1 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

outlook_win_path 1 IoCs

Processes:

COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COTIZACIÓN__pdf_______________________________________________________________________________657575.exe

C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
"C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN__pdf_______________________________________________________________________________657575.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C9.tmp"
2⤵
- Creates scheduled task(s)
PID:1752

C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN__pdf_______________________________________________________________________________657575.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3C9.tmp

Filesize
1KB

MD5
d9b3fb55144055bf53049ae44e24a2b4

SHA1
e01d7cbee7c35cac28b467f84e92b7a48d32d61e

SHA256
7b950a718804352c3350d97782b2db4cd0e4fa78d1fded8b7f56edfa9df4a437

SHA512
001c56ee85bf76eb22969026c4ddd0f784052c37144642d8124b4fe0db1893bba55b2f5c4739a5a8cb54cdab5b1ea37ad830b34c429fdac0b8f93a4d5acc052c

Download Submit
memory/1156-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1156-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1156-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1156-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1156-67-0x0000000000447EAE-mapping.dmp

Download
memory/1156-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1156-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1156-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1752-59-0x0000000000000000-mapping.dmp

Download
memory/1860-54-0x0000000000990000-0x0000000000A22000-memory.dmp

Filesize
584KB

Download
memory/1860-55-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

Download
memory/1860-56-0x0000000000930000-0x0000000000938000-memory.dmp

Filesize
32KB

Download
memory/1860-58-0x0000000004880000-0x00000000048D8000-memory.dmp

Filesize
352KB

Download
memory/1860-57-0x0000000004CF0000-0x0000000004D62000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads