agenttesla | 8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505

General

Target

8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe
Size

750KB
MD5

dd45870570b5eeabe6ecec62a093fced
SHA1

c6364fe561cd82f0ac20d6beb23655b188c7d2f4
SHA256

8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505
SHA512

3ede737c03ee4f2d67e30390726ad6359842a6aa59e6e8d9c56d89fd0bb45e865162fcbcfc41a78c2da56325d8fa88156c32ddc1f592eac78b3ee7199db43dbc

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla Payload 15 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2020-57-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-62-0x00000000000D669E-mapping.dmp	family_agenttesla
behavioral1/memory/2020-65-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-63-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-67-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-68-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-70-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-69-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-72-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-74-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-75-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-78-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-80-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-81-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2020-83-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1080-64-0x00000000012B0000-0x0000000001452000-memory.dmp	upx

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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.amazonaws.com

flow	ioc
4	checkip.amazonaws.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/1080-64-0x00000000012B0000-0x0000000001452000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe

description	pid	process	target process
PID 1080 set thread context of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2020 RegAsm.exe
2020 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2020 RegAsm.exe

pid	process
2020	RegAsm.exe
2020	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2020	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe

pid	process
1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe
1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe
1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe

pid	process
1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe
1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe
1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

2020 RegAsm.exe

pid	process
2020	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe

description	pid	process	target process
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe
PID 1080 wrote to memory of 2020	1080	8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe
"C:\Users\Admin\AppData\Local\Temp\8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Loading Replay Monitor...

Downloads

memory/1080-64-0x00000000012B0000-0x0000000001452000-memory.dmp

Filesize
1.6MB

Download
memory/1080-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/2020-69-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-72-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-57-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-65-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-63-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-67-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-68-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-70-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-55-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-62-0x00000000000D669E-mapping.dmp

Download
memory/2020-74-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-75-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-78-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-80-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-81-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-83-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2020-84-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/2020-85-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads