agenttesla | 65b95709aa577bed6eac737e3c35009e6199048bbaf3272e84de46abb94289ef

General

Target

BL No_ONEYDXBB14291300.exe
Size

532KB
MD5

7b1888bbeb7ce6970d46adc3afce4da4
SHA1

7187301b08ae23137880e08648418314e380e152
SHA256

65b95709aa577bed6eac737e3c35009e6199048bbaf3272e84de46abb94289ef
SHA512

3aa1e35808f7f28b2613eed348fe310b146d468d65d514885ba63c537f5cff80c0b2c8a76d5731259caf11b522bc65589da710e7eea52c3949885089a7bac68a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.prinutrition.com
Port:
587
Username:
[email protected]
Password:
forrest

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/888-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/888-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/888-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/888-64-0x000000000043764E-mapping.dmp	family_agenttesla
behavioral1/memory/888-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

BL No_ONEYDXBB14291300.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts BL No_ONEYDXBB14291300.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	BL No_ONEYDXBB14291300.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

BL No_ONEYDXBB14291300.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	BL No_ONEYDXBB14291300.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL No_ONEYDXBB14291300.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL No_ONEYDXBB14291300.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BL No_ONEYDXBB14291300.exe

description pid process target process

PID 1540 set thread context of 888 1540 BL No_ONEYDXBB14291300.exe BL No_ONEYDXBB14291300.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

BL No_ONEYDXBB14291300.exeBL No_ONEYDXBB14291300.exe

pid process

1540 BL No_ONEYDXBB14291300.exe
888 BL No_ONEYDXBB14291300.exe
888 BL No_ONEYDXBB14291300.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BL No_ONEYDXBB14291300.exeBL No_ONEYDXBB14291300.exe

description pid process

Token: SeDebugPrivilege 1540 BL No_ONEYDXBB14291300.exe
Token: SeDebugPrivilege 888 BL No_ONEYDXBB14291300.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

BL No_ONEYDXBB14291300.exe

pid process

888 BL No_ONEYDXBB14291300.exe

description	pid	process	target process
PID 1540 set thread context of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe

pid	process
1540	BL No_ONEYDXBB14291300.exe
888	BL No_ONEYDXBB14291300.exe
888	BL No_ONEYDXBB14291300.exe

description	pid	process
Token: SeDebugPrivilege	1540	BL No_ONEYDXBB14291300.exe
Token: SeDebugPrivilege	888	BL No_ONEYDXBB14291300.exe

pid	process
888	BL No_ONEYDXBB14291300.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

BL No_ONEYDXBB14291300.exe

description	pid	process	target process
PID 1540 wrote to memory of 544	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 544	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 544	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 544	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe
PID 1540 wrote to memory of 888	1540	BL No_ONEYDXBB14291300.exe	BL No_ONEYDXBB14291300.exe

outlook_office_path 1 IoCs

Processes:

BL No_ONEYDXBB14291300.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	BL No_ONEYDXBB14291300.exe

outlook_win_path 1 IoCs

Processes:

BL No_ONEYDXBB14291300.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	BL No_ONEYDXBB14291300.exe

C:\Users\Admin\AppData\Local\Temp\BL No_ONEYDXBB14291300.exe
"C:\Users\Admin\AppData\Local\Temp\BL No_ONEYDXBB14291300.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Users\Admin\AppData\Local\Temp\BL No_ONEYDXBB14291300.exe
"C:\Users\Admin\AppData\Local\Temp\BL No_ONEYDXBB14291300.exe"
2⤵
PID:544

C:\Users\Admin\AppData\Local\Temp\BL No_ONEYDXBB14291300.exe
"C:\Users\Admin\AppData\Local\Temp\BL No_ONEYDXBB14291300.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:888

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/888-64-0x000000000043764E-mapping.dmp

Download
memory/888-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/888-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/888-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/888-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/888-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/888-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/888-67-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/888-68-0x0000000000741000-0x0000000000742000-memory.dmp

Filesize
4KB

Download
memory/1540-56-0x0000000007300000-0x0000000007301000-memory.dmp

Filesize
4KB

Download
memory/1540-57-0x00000000005B0000-0x00000000005B8000-memory.dmp

Filesize
32KB

Download
memory/1540-58-0x00000000047E0000-0x0000000004838000-memory.dmp

Filesize
352KB

Download
memory/1540-54-0x0000000000050000-0x0000000000051000-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