agenttesla | db33aea5405ccb66c1578eb678e078f33ad890a3b7b33074c61c9c76b0c2a69c

General

Target

Purchase Order PDF.exe
Size

132KB
MD5

0b6af7f7e122ffdb4824fad3a9a7c2a2
SHA1

4f26639628a2f0bf3d4602ba7dd1684c8ddd0cc5
SHA256

db33aea5405ccb66c1578eb678e078f33ad890a3b7b33074c61c9c76b0c2a69c
SHA512

9a52bec9f728e0778aa7d3e30293f9e0679e90427c8ef5b228f0efd485d4859c4c4531adaa16917af3cade6963cb4c2974cc0806287567f56fc75d55dcf7528f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.croatiahunt.com
Port:
587
Username:
[email protected]
Password:
VilaVrgade852

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/520-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/520-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/520-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/520-64-0x000000000043766E-mapping.dmp	family_agenttesla
behavioral1/memory/520-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Downloads MZ/PE file

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order PDF.exe

description pid process target process

PID 1756 set thread context of 520 1756 Purchase Order PDF.exe aspnet_compiler.exe

description	pid	process	target process
PID 1756 set thread context of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Purchase Order PDF.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	Purchase Order PDF.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	Purchase Order PDF.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

aspnet_compiler.exe

pid process

520 aspnet_compiler.exe
520 aspnet_compiler.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order PDF.exeaspnet_compiler.exe

description pid process

Token: SeDebugPrivilege 1756 Purchase Order PDF.exe
Token: SeDebugPrivilege 520 aspnet_compiler.exe

pid	process
520	aspnet_compiler.exe
520	aspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	1756	Purchase Order PDF.exe
Token: SeDebugPrivilege	520	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Purchase Order PDF.exe

description	pid	process	target process
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe
PID 1756 wrote to memory of 520	1756	Purchase Order PDF.exe	aspnet_compiler.exe

outlook_office_path 1 IoCs

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/520-64-0x000000000043766E-mapping.dmp

Download
memory/520-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/520-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/520-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/520-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/520-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/520-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/520-67-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/520-68-0x0000000004E01000-0x0000000004E02000-memory.dmp

Filesize
4KB

Download
memory/1756-56-0x000000001AF40000-0x000000001AF42000-memory.dmp

Filesize
8KB

Download
memory/1756-57-0x0000000000240000-0x0000000000243000-memory.dmp

Filesize
12KB

Download
memory/1756-58-0x0000000000430000-0x0000000000438000-memory.dmp

Filesize
32KB

Download
memory/1756-54-0x0000000001340000-0x0000000001341000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads