agenttesla | 2bda91406a11bcfa7233b2798297164c5ffe514b4100af0062fc166b9ab55b60

General

Target

tmp.exe
Size

778KB
MD5

992d6ad7f5365199de9a1a789b08c358
SHA1

17d8db7c926cb9be034d5ea544ca106bb41619d9
SHA256

2bda91406a11bcfa7233b2798297164c5ffe514b4100af0062fc166b9ab55b60
SHA512

12fed10bbdfff61275564151bbd51453352a0d102b837c621f1f12806de26bba8515ba43b136ef16551cd70a24d9b4debd2a2d039345ed517e02dee507891b52
SSDEEP

12288:DtlhARwKdJVZz5d7n/XBrNU4QpuLIXD2DJdpCTTQDTVh7DhGZ7jnzVs/Mbd4IA:yBVZ99XB6hRXDwJvCTUDBh/QHzVUI

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server320.web-hosting.com
Port:
587
Username:
admin@igls.cc
Password:
lagos@123
Email To:
nel@igls.cc

Signatures

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

tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	tmp.exe

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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 1336 set thread context of 516 1336 tmp.exe tmp.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

1336 tmp.exe
1336 tmp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exetmp.exe

description pid process

Token: SeDebugPrivilege 1336 tmp.exe
Token: SeDebugPrivilege 516 tmp.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1336 set thread context of 516	1336	tmp.exe	tmp.exe

pid	process
1336	tmp.exe
1336	tmp.exe

description	pid	process
Token: SeDebugPrivilege	1336	tmp.exe
Token: SeDebugPrivilege	516	tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe
PID 1336 wrote to memory of 516	1336	tmp.exe	tmp.exe

outlook_office_path 1 IoCs

Processes:

tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

Processes:

tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/516-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/516-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/516-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/516-90-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/516-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/516-71-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/516-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/516-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/516-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/516-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-59-0x0000000005650000-0x00000000056FA000-memory.dmp

Filesize
680KB

Download
memory/1336-58-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/1336-54-0x0000000000E30000-0x0000000000EF8000-memory.dmp

Filesize
800KB

Download
memory/1336-56-0x00000000003E0000-0x0000000000400000-memory.dmp

Filesize
128KB

Download
memory/1336-60-0x0000000000B20000-0x0000000000B52000-memory.dmp

Filesize
200KB

Download
memory/1336-55-0x00000000049A0000-0x00000000049E0000-memory.dmp

Filesize
256KB

Download
memory/1336-57-0x00000000049A0000-0x00000000049E0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads