agenttesla | 669c8ec7471a85e79d434a80fdc9ee8a9f3de32c71ca6e89928b828a0e4ad948

General

Target

PURCHASE ORDER_PDF__________________________________________,,,.exe
Size

622KB
MD5

b5c3f5fa2a5fafe02ff621217718578c
SHA1

f4163b630109db02f7cfd64e3bfde6ab49b27757
SHA256

1d5c4bc37dad083e9b4f2361e6143c4c35ec666913488af8a75ceee52d48f805
SHA512

e85e2ab9ab19db172ef310c4fde36c42d12f7c8d06043214b0b385a08420f392a1b04a3f745be86d467d9bc9da81fa49559c72e0e3a1d30e79c7abc78236e760

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
uchenna@&1992

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
uchenna@&1992

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/4016-138-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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:

PURCHASE ORDER_PDF__________________________________________,,,.exe

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

PURCHASE ORDER_PDF__________________________________________,,,.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	PURCHASE ORDER_PDF__________________________________________,,,.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER_PDF__________________________________________,,,.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER_PDF__________________________________________,,,.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exe

description	pid	process	target process
PID 3268 set thread context of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.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

2288 schtasks.exe

pid	process
2288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exePURCHASE ORDER_PDF__________________________________________,,,.exe

pid	process
3268	PURCHASE ORDER_PDF__________________________________________,,,.exe
3268	PURCHASE ORDER_PDF__________________________________________,,,.exe
3268	PURCHASE ORDER_PDF__________________________________________,,,.exe
3268	PURCHASE ORDER_PDF__________________________________________,,,.exe
4016	PURCHASE ORDER_PDF__________________________________________,,,.exe
4016	PURCHASE ORDER_PDF__________________________________________,,,.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exePURCHASE ORDER_PDF__________________________________________,,,.exe

description	pid	process
Token: SeDebugPrivilege	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe
Token: SeDebugPrivilege	4016	PURCHASE ORDER_PDF__________________________________________,,,.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exe

description	pid	process	target process
PID 3268 wrote to memory of 2288	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 3268 wrote to memory of 2288	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 3268 wrote to memory of 2288	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 3268 wrote to memory of 4016	3268	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe

outlook_office_path 1 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.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	PURCHASE ORDER_PDF__________________________________________,,,.exe

outlook_win_path 1 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.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	PURCHASE ORDER_PDF__________________________________________,,,.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF__________________________________________,,,.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF__________________________________________,,,.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp"
2⤵
- Creates scheduled task(s)
PID:2288

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF__________________________________________,,,.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp

Filesize
1KB

MD5
f0194d140d5655b77acfe5c633086ba1

SHA1
8cd43646855f664a0ebcff81adb01c0681a9363e

SHA256
31fb428c38ed87cd3c15ca9020c0dd95120ff487e25a9886be7acf1c7c9c5e46

SHA512
abf16211ad68556400043b1a50b9753bbcdb25e433a1c7bc982afcd3c9bfa48207f063f90130d1f5fe1eb8c335ef06159d9fe740cff7f9e0cb6bca6d8e422a14

Download Submit
memory/2288-135-0x0000000000000000-mapping.dmp

Download
memory/3268-130-0x0000000000DC0000-0x0000000000E62000-memory.dmp

Filesize
648KB

Download
memory/3268-131-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/3268-132-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/3268-133-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/3268-134-0x00000000092C0000-0x000000000935C000-memory.dmp

Filesize
624KB

Download
memory/4016-137-0x0000000000000000-mapping.dmp

Download
memory/4016-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4016-139-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/4016-140-0x0000000006400000-0x0000000006450000-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