agenttesla | 7f274135d183a34dec4f013a9f43bb01320ff9c797e57f5e8c15bd93e5f80113

General

Target

PO.exe
Size

567KB
MD5

0a9256b6cc55be84af07375f8fb72a3e
SHA1

727c7689f52a1d55df71ca092c6c7d5220e79636
SHA256

ec3e3215b535bb6536ecf8df92c6580950a60dcfa406bb3f855de9aab7f6c7a1
SHA512

74ac39f349cd9581eca372799ad0d8fed8d27058b5a5bc77f1b0c31e60375815a37184a1c3ae8a807eb433bcc6c061056a70ac3420330073b625fe4c0b95b7db

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
tt@@@@@@@@@123456789

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/1292-138-0x0000000000400000-0x000000000044C000-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:

PO.exe

description ioc process

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.exe

description pid process target process

PID 3584 set thread context of 1292 3584 PO.exe PO.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

3220 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PO.exePO.exe

pid process

3584 PO.exe
3584 PO.exe
3584 PO.exe
1292 PO.exe
1292 PO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO.exePO.exe

description pid process

Token: SeDebugPrivilege 3584 PO.exe
Token: SeDebugPrivilege 1292 PO.exe

description	pid	process	target process
PID 3584 set thread context of 1292	3584	PO.exe	PO.exe

pid	process
3220	schtasks.exe

pid	process
3584	PO.exe
3584	PO.exe
3584	PO.exe
1292	PO.exe
1292	PO.exe

description	pid	process
Token: SeDebugPrivilege	3584	PO.exe
Token: SeDebugPrivilege	1292	PO.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 3584 wrote to memory of 3220	3584	PO.exe	schtasks.exe
PID 3584 wrote to memory of 3220	3584	PO.exe	schtasks.exe
PID 3584 wrote to memory of 3220	3584	PO.exe	schtasks.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe
PID 3584 wrote to memory of 1292	3584	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.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	PO.exe

outlook_win_path 1 IoCs

Processes:

PO.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	PO.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp272F.tmp"
2⤵
- Creates scheduled task(s)
PID:3220

C:\Users\Admin\AppData\Local\Temp\PO.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1292

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

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\PO.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp272F.tmp
Filesize
1KB

MD5
f0194d140d5655b77acfe5c633086ba1

SHA1
8cd43646855f664a0ebcff81adb01c0681a9363e

SHA256
31fb428c38ed87cd3c15ca9020c0dd95120ff487e25a9886be7acf1c7c9c5e46

SHA512
abf16211ad68556400043b1a50b9753bbcdb25e433a1c7bc982afcd3c9bfa48207f063f90130d1f5fe1eb8c335ef06159d9fe740cff7f9e0cb6bca6d8e422a14

Download Submit
memory/1292-137-0x0000000000000000-mapping.dmp

Download
memory/1292-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1292-140-0x0000000005CE0000-0x0000000005D46000-memory.dmp

Filesize
408KB

Download
memory/1292-141-0x0000000006100000-0x0000000006150000-memory.dmp

Filesize
320KB

Download
memory/3220-135-0x0000000000000000-mapping.dmp

Download
memory/3584-130-0x0000000000C50000-0x0000000000CE2000-memory.dmp

Filesize
584KB

Download
memory/3584-131-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/3584-132-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/3584-133-0x0000000005550000-0x000000000555A000-memory.dmp

Filesize
40KB

Download
memory/3584-134-0x0000000008FF0000-0x000000000908C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads