agenttesla | 9c334a95c8f43a44f4d9dd1791e2443b2e026df0e66cc3163ded772691ecf319

General

Target

Quotation.exe
Size

349KB
MD5

e4c1a88c35f7fd8b5565b3745b831b2a
SHA1

382794bb0b470804f97eb4bb15a89af54dd9b015
SHA256

467d49c33ce4c91f53f7120a44819d51847b9220c62027415936c1fffa631bd2
SHA512

afaa8e21d4268dcb20c72879727714ffb571a31576447c7a946a7d15da48f7a23af25bd4fa4f099f24314837cde3f41fd9e6200df9dc9bdb6c212f78dd22105a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.adithyaeng.com
Port:
587
Username:
[email protected]
Password:
thiyagarajan*123

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3456-133-0x0000000000400000-0x0000000000452000-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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation.exe

description pid process target process

PID 4124 set thread context of 3456 4124 Quotation.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

3456 RegAsm.exe
3456 RegAsm.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Quotation.exe

pid process

4124 Quotation.exe
4124 Quotation.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3456 RegAsm.exe

description	pid	process	target process
PID 4124 set thread context of 3456	4124	Quotation.exe	RegAsm.exe

pid	process
3456	RegAsm.exe
3456	RegAsm.exe

pid	process
4124	Quotation.exe
4124	Quotation.exe

description	pid	process
Token: SeDebugPrivilege	3456	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Quotation.exeRegAsm.exe

description	pid	process	target process
PID 4124 wrote to memory of 3068	4124	Quotation.exe	RegAsm.exe
PID 4124 wrote to memory of 3068	4124	Quotation.exe	RegAsm.exe
PID 4124 wrote to memory of 3068	4124	Quotation.exe	RegAsm.exe
PID 4124 wrote to memory of 3456	4124	Quotation.exe	RegAsm.exe
PID 4124 wrote to memory of 3456	4124	Quotation.exe	RegAsm.exe
PID 4124 wrote to memory of 3456	4124	Quotation.exe	RegAsm.exe
PID 4124 wrote to memory of 3456	4124	Quotation.exe	RegAsm.exe
PID 3456 wrote to memory of 3460	3456	RegAsm.exe	netsh.exe
PID 3456 wrote to memory of 3460	3456	RegAsm.exe	netsh.exe
PID 3456 wrote to memory of 3460	3456	RegAsm.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:3068

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3456

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3460

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

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Downloads

memory/3456-131-0x0000000000000000-mapping.dmp

Download
memory/3456-133-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3456-134-0x00000000060E0000-0x0000000006684000-memory.dmp

Filesize
5.6MB

Download
memory/3456-135-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/3456-136-0x0000000005A70000-0x0000000005B0C000-memory.dmp

Filesize
624KB

Download
memory/3456-137-0x0000000006840000-0x00000000068A6000-memory.dmp

Filesize
408KB

Download
memory/3456-138-0x0000000006C90000-0x0000000006CE0000-memory.dmp

Filesize
320KB

Download
memory/3456-140-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/3460-139-0x0000000000000000-mapping.dmp

Download
memory/4124-130-0x00000000002C0000-0x000000000031E000-memory.dmp

Filesize
376KB

Download
memory/4124-132-0x00000000027D0000-0x00000000027D3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads