agenttesla | 1a4303aab126cc29cb12fbce8ae802898733bf4b08d531a3ae09994b22f5540d

General

Target

INV 08800290418 pdf.exe
Size

416KB
MD5

65b5de7cde2733050661417938979e09
SHA1

4d69a5ad1f1e5191ca66155c09925957c3c5dda7
SHA256

1a4303aab126cc29cb12fbce8ae802898733bf4b08d531a3ae09994b22f5540d
SHA512

85b91edabcd805b18e3f7ac86a10425f50b6f37ab89c735e71b5d253e28c7a255f76d74fcb83c0d79d9b7ca08154d40270e0a5ec13c12bc72e77d9851a45ba73

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:
[email protected]
Password:
C%)%GWZe9

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/1600-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1600-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1600-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1600-67-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral1/memory/1600-68-0x0000000000400000-0x000000000043C000-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:

INV 08800290418 pdf.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	INV 08800290418 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV 08800290418 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV 08800290418 pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INV 08800290418 pdf.exe

description pid process target process

PID 1432 set thread context of 1600 1432 INV 08800290418 pdf.exe INV 08800290418 pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

INV 08800290418 pdf.exe

pid process

1600 INV 08800290418 pdf.exe
1600 INV 08800290418 pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INV 08800290418 pdf.exe

description pid process

Token: SeDebugPrivilege 1600 INV 08800290418 pdf.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

INV 08800290418 pdf.exe

pid process

1432 INV 08800290418 pdf.exe
1432 INV 08800290418 pdf.exe

description	pid	process	target process
PID 1432 set thread context of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe

pid	process
1600	INV 08800290418 pdf.exe
1600	INV 08800290418 pdf.exe

description	pid	process
Token: SeDebugPrivilege	1600	INV 08800290418 pdf.exe

pid	process
1432	INV 08800290418 pdf.exe
1432	INV 08800290418 pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

INV 08800290418 pdf.exe

description	pid	process	target process
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe
PID 1432 wrote to memory of 1600	1432	INV 08800290418 pdf.exe	INV 08800290418 pdf.exe

outlook_office_path 1 IoCs

Processes:

INV 08800290418 pdf.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	INV 08800290418 pdf.exe

outlook_win_path 1 IoCs

Processes:

INV 08800290418 pdf.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	INV 08800290418 pdf.exe

C:\Users\Admin\AppData\Local\Temp\INV 08800290418 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\INV 08800290418 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432

C:\Users\Admin\AppData\Local\Temp\INV 08800290418 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\INV 08800290418 pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1600

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/1432-54-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1432-56-0x00000000768C1000-0x00000000768C3000-memory.dmp

Filesize
8KB

Download
memory/1432-57-0x0000000004860000-0x0000000004861000-memory.dmp

Filesize
4KB

Download
memory/1432-59-0x0000000004862000-0x0000000004863000-memory.dmp

Filesize
4KB

Download
memory/1432-58-0x0000000004861000-0x0000000004862000-memory.dmp

Filesize
4KB

Download
memory/1432-60-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download
memory/1432-61-0x0000000008120000-0x0000000008178000-memory.dmp

Filesize
352KB

Download
memory/1600-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-67-0x00000000004375EE-mapping.dmp

Download
memory/1600-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-70-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download
memory/1600-71-0x00000000049A1000-0x00000000049A2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads