agenttesla | 6f5c8354926f49d2d86ec199c74ba98b8125b08c4e1ce73d4b71bcb0c160fdb6

General

Target

Account information.exe
Size

513KB
MD5

d4f31ef1f0ee95b0974223a61c7b38d0
SHA1

5fbd210c289efeddbf11e79ddf0707f42aadd6a3
SHA256

17a6854b9d7de26d3c70352b1a5fe59aeb25abd75c57902950278569bac64f78
SHA512

a4ee1525b95f8e5bcca9ed7389f28e7f037bc853b3d38f637ef5c826c10e0931a91c5abfbb63a326714e69b78a817643fc99246192774ab73f7d5731111ec50c

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.elittacop.com
Port:
587
Username:
[email protected]
Password:
@eaSYuc8

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1236-59-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1236-60-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1236-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1236-62-0x0000000000446FCE-mapping.dmp	family_agenttesla
behavioral1/memory/1236-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1236-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Account information.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Account information.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Account information.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Account information.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account information.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account information.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account information.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Account information.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Account information.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Account information.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Account information.exe

description pid process target process

PID 812 set thread context of 1236 812 Account information.exe Account information.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Account information.exe

pid process

1236 Account information.exe
1236 Account information.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Account information.exe

description pid process

Token: SeDebugPrivilege 1236 Account information.exe

description	pid	process	target process
PID 812 set thread context of 1236	812	Account information.exe	Account information.exe

pid	process
1236	Account information.exe
1236	Account information.exe

description	pid	process
Token: SeDebugPrivilege	1236	Account information.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Account information.exe

description	pid	process	target process
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe
PID 812 wrote to memory of 1236	812	Account information.exe	Account information.exe

outlook_office_path 1 IoCs

Processes:

Account information.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account information.exe

outlook_win_path 1 IoCs

Processes:

Account information.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account information.exe

C:\Users\Admin\AppData\Local\Temp\Account information.exe
"C:\Users\Admin\AppData\Local\Temp\Account information.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:812

C:\Users\Admin\AppData\Local\Temp\Account information.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1236

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/812-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/812-55-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download
memory/1236-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-62-0x0000000000446FCE-mapping.dmp

Download
memory/1236-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1236-68-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads