agenttesla | a54fd844852b71bade3c192c3b4149f71d0c38c76689316358c6ea757c4603a8

General

Target

SOA July 2020.exe
Size

572KB
MD5

9cfbb513c022f914c1578bdd885f8b3d
SHA1

64b147cf2daf71d44ada3c0bf8e33bc600361e15
SHA256

a8871229988e43c8dfc54c95e849d369ec7ddc06831f3e6f4f5919a48096f7a2
SHA512

47111bb368b89227c83ea2343c3050452450baa52cfadb01190b047ef6fc3143c9ccafb19af46106c8099c0588e91872ea98f47fc45a789ddba361f080d7974b

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
123dreams

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
123dreams

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/3732-138-0x0000000000400000-0x000000000044C000-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 July 2020.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SOA July 2020.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SOA July 2020.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 July 2020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA July 2020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA July 2020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA July 2020.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 July 2020.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	SOA July 2020.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	SOA July 2020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA July 2020.exe

description pid process target process

PID 2404 set thread context of 3732 2404 SOA July 2020.exe SOA July 2020.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SOA July 2020.exe

pid process

3732 SOA July 2020.exe
3732 SOA July 2020.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

SOA July 2020.exe

pid process

3732 SOA July 2020.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SOA July 2020.exe

description pid process

Token: SeDebugPrivilege 3732 SOA July 2020.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SOA July 2020.exe

pid process

3732 SOA July 2020.exe

description	pid	process	target process
PID 2404 set thread context of 3732	2404	SOA July 2020.exe	SOA July 2020.exe

pid	process
3732	SOA July 2020.exe
3732	SOA July 2020.exe

pid	process
3732	SOA July 2020.exe

description	pid	process
Token: SeDebugPrivilege	3732	SOA July 2020.exe

pid	process
3732	SOA July 2020.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

SOA July 2020.exe

description	pid	process	target process
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe
PID 2404 wrote to memory of 3732	2404	SOA July 2020.exe	SOA July 2020.exe

outlook_office_path 1 IoCs

Processes:

SOA July 2020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA July 2020.exe

outlook_win_path 1 IoCs

Processes:

SOA July 2020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA July 2020.exe

C:\Users\Admin\AppData\Local\Temp\SOA July 2020.exe
"C:\Users\Admin\AppData\Local\Temp\SOA July 2020.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2404

C:\Users\Admin\AppData\Local\Temp\SOA July 2020.exe
"C:\Users\Admin\AppData\Local\Temp\SOA July 2020.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SOA July 2020.exe.log

Filesize
1KB

MD5
5200da2e50f24d5d543c3f10674acdcb

SHA1
b574a3336839882d799c0a7f635ea238efb934ee

SHA256
d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026

SHA512
24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb

Download Submit
memory/2404-130-0x00000000004F0000-0x0000000000586000-memory.dmp

Filesize
600KB

Download
memory/2404-131-0x0000000004FE0000-0x000000000507C000-memory.dmp

Filesize
624KB

Download
memory/2404-132-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/2404-133-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/2404-134-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/2404-135-0x0000000005120000-0x0000000005176000-memory.dmp

Filesize
344KB

Download
memory/2404-136-0x0000000000DD0000-0x0000000000E36000-memory.dmp

Filesize
408KB

Download
memory/3732-137-0x0000000000000000-mapping.dmp

Download
memory/3732-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3732-140-0x0000000006780000-0x00000000067D0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads