agenttesla | 2a995261d450e20c8da8285ec731e66129e9a692ad8adee320affba23a3c3646

General

Target

SOA.exe
Size

394KB
MD5

fa27473a151b9bd5302c23bfab809b7f
SHA1

65ed59245eb03563745b3508afb7b142221bacac
SHA256

1b69bce4e5b7966a2bdc844ac33899746692b7fef019019c08986f295eb7d001
SHA512

8845edd5fd6a82f05bce1df6c76d69a6b7ae127932cde8849e720d48b4f7e4fc1cf9abaac729f10cb7f2821ab5ba491a7ae8f0f28a18625751e26dcb9fba880c

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.actionassist.co.uk
Port:
587
Username:
sales@actionassist.co.uk
Password:
benjamin76

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/300-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/300-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/300-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/300-66-0x0000000000447F0E-mapping.dmp	family_agenttesla
behavioral1/memory/300-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/300-70-0x0000000000400000-0x000000000044C000-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:

SOA.exe

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

SOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.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:

SOA.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA.exe

description pid process target process

PID 1672 set thread context of 300 1672 SOA.exe SOA.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1996 schtasks.exe
Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

SOA.exeSOA.exe

pid process

1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
1672 SOA.exe
300 SOA.exe
300 SOA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeSOA.exe

description pid process

Token: SeDebugPrivilege 1672 SOA.exe
Token: SeDebugPrivilege 300 SOA.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SOA.exe

pid process

300 SOA.exe

description	pid	process	target process
PID 1672 set thread context of 300	1672	SOA.exe	SOA.exe

pid	process
1996	schtasks.exe

pid	process
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
1672	SOA.exe
300	SOA.exe
300	SOA.exe

description	pid	process
Token: SeDebugPrivilege	1672	SOA.exe
Token: SeDebugPrivilege	300	SOA.exe

pid	process
300	SOA.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

SOA.exe

description	pid	process	target process
PID 1672 wrote to memory of 1996	1672	SOA.exe	schtasks.exe
PID 1672 wrote to memory of 1996	1672	SOA.exe	schtasks.exe
PID 1672 wrote to memory of 1996	1672	SOA.exe	schtasks.exe
PID 1672 wrote to memory of 1996	1672	SOA.exe	schtasks.exe
PID 1672 wrote to memory of 592	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 592	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 592	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 592	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 520	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 520	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 520	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 520	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 1456	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 1456	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 1456	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 1456	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 588	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 588	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 588	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 588	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe
PID 1672 wrote to memory of 300	1672	SOA.exe	SOA.exe

outlook_office_path 1 IoCs

Processes:

SOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.exe

outlook_win_path 1 IoCs

Processes:

SOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\spolFYTfOzDc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6365.tmp"
2⤵
- Creates scheduled task(s)
PID:1996

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
PID:592

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
PID:520

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
PID:1456

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
PID:588

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:300

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

3

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

C:\Users\Admin\AppData\Local\Temp\tmp6365.tmp
Filesize
1KB

MD5
ffe52ea562751a78fb32024c449f2771

SHA1
556865a6fe6f0b2929dcfda8e5f7c6e0f1624f1f

SHA256
e3e16ee2ea59d52d885fade18f1f5cf7265fe368a123d3b53d92dcbde1c3de7e

SHA512
51e167099ef3240a6b0d53b9fbbe04913f996558c7baecd995d1635e12e754e2b487484cdd77e5ad819aab44e1b26e7bb393092fce1cd14d413d870dac0e0942

Download Submit
memory/300-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/300-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/300-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/300-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/300-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/300-66-0x0000000000447F0E-mapping.dmp

Download
memory/300-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/300-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1672-56-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/1672-57-0x0000000000550000-0x00000000005A4000-memory.dmp

Filesize
336KB

Download
memory/1672-55-0x0000000075371000-0x0000000075373000-memory.dmp

Filesize
8KB

Download
memory/1672-54-0x00000000008C0000-0x0000000000928000-memory.dmp

Filesize
416KB

Download
memory/1996-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads