agenttesla | 586fea3f49450c26e13546dd5c6f5c04744a3f807511ad587bceab7acc58c40c

General

Target

JN4r2iahE9sIaCL.exe
Size

701KB
MD5

3a88f3cc4d324980561894168eea795f
SHA1

36ccc893199587ee6ebe7642ace1257c4873ed2b
SHA256

586fea3f49450c26e13546dd5c6f5c04744a3f807511ad587bceab7acc58c40c
SHA512

96161cd4847d52afa8edc9cae70d93dbc1c1a797b6948c6b75fb6796858a70dd3d89e516ee25b7f0c8122bbfc705264284f85a19c3d355a3ec58a29c3ad75b4e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hoteltalabart.cat
Port:
587
Username:
[email protected]
Password:
Jackdaniels_1

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/720-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/720-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/720-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/720-65-0x000000000043750E-mapping.dmp	family_agenttesla
behavioral1/memory/720-66-0x0000000000400000-0x000000000043C000-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:

JN4r2iahE9sIaCL.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	JN4r2iahE9sIaCL.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JN4r2iahE9sIaCL.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JN4r2iahE9sIaCL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

JN4r2iahE9sIaCL.exe

description pid process target process

PID 1768 set thread context of 720 1768 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

JN4r2iahE9sIaCL.exe

pid process

720 JN4r2iahE9sIaCL.exe
720 JN4r2iahE9sIaCL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

JN4r2iahE9sIaCL.exe

description pid process

Token: SeDebugPrivilege 720 JN4r2iahE9sIaCL.exe

description	pid	process	target process
PID 1768 set thread context of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe

pid	process
720	JN4r2iahE9sIaCL.exe
720	JN4r2iahE9sIaCL.exe

description	pid	process
Token: SeDebugPrivilege	720	JN4r2iahE9sIaCL.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

JN4r2iahE9sIaCL.exe

description	pid	process	target process
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe
PID 1768 wrote to memory of 720	1768	JN4r2iahE9sIaCL.exe	JN4r2iahE9sIaCL.exe

outlook_office_path 1 IoCs

Processes:

JN4r2iahE9sIaCL.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	JN4r2iahE9sIaCL.exe

outlook_win_path 1 IoCs

Processes:

JN4r2iahE9sIaCL.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	JN4r2iahE9sIaCL.exe

C:\Users\Admin\AppData\Local\Temp\JN4r2iahE9sIaCL.exe
"C:\Users\Admin\AppData\Local\Temp\JN4r2iahE9sIaCL.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\JN4r2iahE9sIaCL.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:720

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/720-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-69-0x0000000004AB1000-0x0000000004AB2000-memory.dmp

Filesize
4KB

Download
memory/720-68-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/720-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-65-0x000000000043750E-mapping.dmp

Download
memory/720-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1768-53-0x0000000001320000-0x0000000001321000-memory.dmp

Filesize
4KB

Download
memory/1768-55-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download
memory/1768-59-0x00000000007F0000-0x0000000000828000-memory.dmp

Filesize
224KB

Download
memory/1768-58-0x0000000004ED0000-0x0000000004F4E000-memory.dmp

Filesize
504KB

Download
memory/1768-57-0x0000000000250000-0x000000000025E000-memory.dmp

Filesize
56KB

Download
memory/1768-56-0x0000000004D00000-0x0000000004D01000-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