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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5064-139-0x0000000000400000-0x000000000044C000-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

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

SOA.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation 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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	SOA.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

SOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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 5000 set thread context of 5064 5000 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

1472 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SOA.exeSOA.exe

pid process

5000 SOA.exe
5064 SOA.exe
5064 SOA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeSOA.exe

description pid process

Token: SeDebugPrivilege 5000 SOA.exe
Token: SeDebugPrivilege 5064 SOA.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SOA.exe

pid process

5064 SOA.exe

description	pid	process	target process
PID 5000 set thread context of 5064	5000	SOA.exe	SOA.exe

pid	process
1472	schtasks.exe

pid	process
5000	SOA.exe
5064	SOA.exe
5064	SOA.exe

description	pid	process
Token: SeDebugPrivilege	5000	SOA.exe
Token: SeDebugPrivilege	5064	SOA.exe

pid	process
5064	SOA.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

SOA.exe

description	pid	process	target process
PID 5000 wrote to memory of 1472	5000	SOA.exe	schtasks.exe
PID 5000 wrote to memory of 1472	5000	SOA.exe	schtasks.exe
PID 5000 wrote to memory of 1472	5000	SOA.exe	schtasks.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe
PID 5000 wrote to memory of 5064	5000	SOA.exe	SOA.exe

outlook_office_path 1 IoCs

Processes:

SOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\spolFYTfOzDc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC6C.tmp"
2⤵
- Creates scheduled task(s)
PID:1472

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:5064

Network

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

5

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

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\Microsoft\CLR_v4.0_32\UsageLogs\SOA.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAC6C.tmp
Filesize
1KB

MD5
b509822fe185dd4510aed1331332db99

SHA1
95229055c4c4df50d760dfcc0aa481ba29c34433

SHA256
30ce235bfdf1d0f8260d3adca69523655537f866199d96467bfd5a3f8e94fbec

SHA512
a4d71d3eedb12f9e4acf9e0f521140d2a85cb1709f28142eac6d2ceca002df4227d808943247f4193ed2fde6457783c648ffcacc23df006d4cf4141a48db11a5

Download Submit
memory/1472-136-0x0000000000000000-mapping.dmp

Download
memory/5000-130-0x0000000000200000-0x0000000000268000-memory.dmp

Filesize
416KB

Download
memory/5000-131-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download
memory/5000-132-0x0000000004C10000-0x0000000004CA2000-memory.dmp

Filesize
584KB

Download
memory/5000-133-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/5000-134-0x0000000008830000-0x00000000088CC000-memory.dmp

Filesize
624KB

Download
memory/5000-135-0x00000000088D0000-0x0000000008936000-memory.dmp

Filesize
408KB

Download
memory/5064-138-0x0000000000000000-mapping.dmp

Download
memory/5064-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5064-141-0x0000000006980000-0x00000000069D0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads