agenttesla | 0447c43cc9d78ef162784c4ae1ce6baa8289f9c159ec6baf735072a93bb51a88

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 07:24

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General

Target

invoice.pdf.exe
Size

791KB
MD5

083c066431159d98ebffd1788bf43ee9
SHA1

f0d68ddf58e4143bb14ee41263549c768fb0f181
SHA256

0447c43cc9d78ef162784c4ae1ce6baa8289f9c159ec6baf735072a93bb51a88
SHA512

1afa1aa274921cbb4d039b9a1a35aa38d52b2928e22547a6648a78e5a19aaa2e5220e626df245c9b5a483e3ee6d0afc74bac6a03f8c64214dd11eef4b5d14e4a
SSDEEP

12288:Js1KdJVZz5d20qfcNdJaq5dsr1Z7SVJ2cJ0qSTXyl/ezVXUjlmlJkDLdjSV4AD7t:JsKVZ9fA8sRZoH0qSTXylpjlmMsV4AP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
logs@modernplesticgoa.com
Password:
JUGCRsm9
Email To:
logs@modernplesticgoa.com

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

invoice.pdf.exe

description pid process target process

PID 4824 set thread context of 4996 4824 invoice.pdf.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

invoice.pdf.exe

pid process

4824 invoice.pdf.exe
4824 invoice.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

invoice.pdf.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4824 invoice.pdf.exe
Token: SeDebugPrivilege 4996 RegSvcs.exe

description	pid	process	target process
PID 4824 set thread context of 4996	4824	invoice.pdf.exe	RegSvcs.exe

pid	process
4824	invoice.pdf.exe
4824	invoice.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4824	invoice.pdf.exe
Token: SeDebugPrivilege	4996	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

invoice.pdf.exe

description	pid	process	target process
PID 4824 wrote to memory of 4968	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4968	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4968	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe
PID 4824 wrote to memory of 4996	4824	invoice.pdf.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4824

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4968

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4824-133-0x0000000000170000-0x000000000023C000-memory.dmp

Filesize
816KB

Download
memory/4824-134-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download
memory/4824-135-0x0000000004A70000-0x0000000004B02000-memory.dmp

Filesize
584KB

Download
memory/4824-136-0x0000000004B60000-0x0000000004B6A000-memory.dmp

Filesize
40KB

Download
memory/4824-137-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/4824-138-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/4824-139-0x0000000007000000-0x000000000709C000-memory.dmp

Filesize
624KB

Download
memory/4996-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4996-142-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/4996-143-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/4996-144-0x0000000006BC0000-0x0000000006C10000-memory.dmp

Filesize
320KB

Download
memory/4996-145-0x0000000006DE0000-0x0000000006FA2000-memory.dmp

Filesize
1.8MB

Download
memory/4996-146-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download