agenttesla | f282fc9b4cbbc123c37c9427fb00ad39e27c79c8fd185afc477e9699f1a46e56

General

Target

PO.exe
Size

629KB
MD5

80a403850f764cd5b6b6ca7815d1eef8
SHA1

bd52782526e783fe7786e4cef0f169264c1b117d
SHA256

1414f24264a3c0579250f74acdbb4ffffc79cf787221704b80cdab5829212bff
SHA512

3d4eb72ccb52bea0c05f87885a1b054f294c1e40292aec9d7c09680c20ed4336e0645fefe4b586139642f16022e67cd9d7b62f4e69b00343e1b92cd30c8e9b69

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Wm^kN*!7

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Wm^kN*!7

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/4156-143-0x0000000000400000-0x000000000044C000-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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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 788 set thread context of 4156 788 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

2748 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

PO.exePO.exe

pid process

788 PO.exe
788 PO.exe
788 PO.exe
788 PO.exe
788 PO.exe
788 PO.exe
4156 PO.exe
4156 PO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO.exePO.exe

description pid process

Token: SeDebugPrivilege 788 PO.exe
Token: SeDebugPrivilege 4156 PO.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO.exe

pid process

4156 PO.exe

description	pid	process	target process
PID 788 set thread context of 4156	788	PO.exe	PO.exe

pid	process
2748	schtasks.exe

pid	process
788	PO.exe
788	PO.exe
788	PO.exe
788	PO.exe
788	PO.exe
788	PO.exe
4156	PO.exe
4156	PO.exe

description	pid	process
Token: SeDebugPrivilege	788	PO.exe
Token: SeDebugPrivilege	4156	PO.exe

pid	process
4156	PO.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 788 wrote to memory of 2748	788	PO.exe	schtasks.exe
PID 788 wrote to memory of 2748	788	PO.exe	schtasks.exe
PID 788 wrote to memory of 2748	788	PO.exe	schtasks.exe
PID 788 wrote to memory of 1428	788	PO.exe	PO.exe
PID 788 wrote to memory of 1428	788	PO.exe	PO.exe
PID 788 wrote to memory of 1428	788	PO.exe	PO.exe
PID 788 wrote to memory of 4492	788	PO.exe	PO.exe
PID 788 wrote to memory of 4492	788	PO.exe	PO.exe
PID 788 wrote to memory of 4492	788	PO.exe	PO.exe
PID 788 wrote to memory of 4596	788	PO.exe	PO.exe
PID 788 wrote to memory of 4596	788	PO.exe	PO.exe
PID 788 wrote to memory of 4596	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe
PID 788 wrote to memory of 4156	788	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.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	PO.exe

outlook_win_path 1 IoCs

Processes:

PO.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	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:788

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OgmEfPUTiwiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CBD.tmp"
2⤵
- Creates scheduled task(s)
PID:2748

C:\Users\Admin\AppData\Local\Temp\PO.exe
"{path}"
2⤵
PID:1428

C:\Users\Admin\AppData\Local\Temp\PO.exe
"{path}"
2⤵
PID:4492

C:\Users\Admin\AppData\Local\Temp\PO.exe
"{path}"
2⤵
PID:4596

C:\Users\Admin\AppData\Local\Temp\PO.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:4156

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\Microsoft\CLR_v4.0_32\UsageLogs\PO.exe.log

Filesize
507B

MD5
76ffb2f33cb32ade8fc862a67599e9d8

SHA1
920cc4ab75b36d2f9f6e979b74db568973c49130

SHA256
f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

SHA512
f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2CBD.tmp

Filesize
1KB

MD5
6e206796c6aac344fb5191fad0c1a2a1

SHA1
318b77ca1cf636af6eeb5d9bf5273ed1f4fc8383

SHA256
39bd3b159e1b4ebc86ffcccf4a63960921aeba0bdd176b049d37c27c6b985ea7

SHA512
b15e9206b8f8bb2c0b8c5e11d37821b9ee103fc84d71e5c609e6fd85129c6b0ede3ca8b75b6fa139857585337be8b8ed07881984fd242ee88d86dea43578d6f1

Download Submit
memory/788-133-0x0000000000D80000-0x0000000000E24000-memory.dmp

Filesize
656KB

Download
memory/788-134-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/788-135-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/788-136-0x00000000065C0000-0x000000000665C000-memory.dmp

Filesize
624KB

Download
memory/1428-139-0x0000000000000000-mapping.dmp

Download
memory/2748-137-0x0000000000000000-mapping.dmp

Download
memory/4156-142-0x0000000000000000-mapping.dmp

Download
memory/4156-143-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4156-145-0x0000000006480000-0x00000000064E6000-memory.dmp

Filesize
408KB

Download
memory/4156-146-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

Filesize
320KB

Download
memory/4156-147-0x0000000006E00000-0x0000000006E0A000-memory.dmp

Filesize
40KB

Download
memory/4492-140-0x0000000000000000-mapping.dmp

Download
memory/4596-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads