agenttesla | 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7

General

Target

7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
Size

1.2MB
MD5

0c9c80a0373b2081fa5bb61e8336fb45
SHA1

487a24e1bca88280b8a66da12f77179b1337bd80
SHA256

7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7
SHA512

9d411ffefd29dbe8df0ccaf0270d7a10c46987b8995f1ccd0ce6db5b0d616e8a2249053c3327b8de01bccb88de667933067018c7947c3197da2db498af0e8362
SSDEEP

24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaf1mczftS95:xh+ZkldoPK8YafYQftQ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

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/1996-57-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-62-0x0000000000447B9E-mapping.dmp	family_agenttesla
behavioral1/memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-73-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-74-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-77-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-80-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-79-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-82-0x0000000000400000-0x000000000044C000-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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\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

Suspicious use of SetThreadContext 1 IoCs

Processes:

7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

description	pid	process	target process
PID 1060 set thread context of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1996 RegAsm.exe
1996 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1996 RegAsm.exe

pid	process
1996	RegAsm.exe
1996	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1996	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

pid	process
1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

pid	process
1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

1996 RegAsm.exe

pid	process
1996	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe

description	pid	process	target process
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe
PID 1060 wrote to memory of 1996	1060	7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
"C:\Users\Admin\AppData\Local\Temp\7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1060

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:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1060-54-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download
memory/1996-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-62-0x0000000000447B9E-mapping.dmp

Download
memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-73-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-74-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-77-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-80-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-79-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-82-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-83-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/1996-84-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads