agenttesla | fe95b8e22f7ed52665da4f9317a8a128470052a172513f89cd5c33f7dadc3965

General

Target

BalPO21504pdf.exe
Size

392KB
MD5

26b4ecd94509e28f4ae0fadc37982a24
SHA1

a08b1e93b2f33ed19c7c2d766ba6ec4b12f670c6
SHA256

31f91924abcb4657d19721140bb21db8b517dc6a48830c7c5dc53d819c507248
SHA512

422f28259d188f8d02368c0419eb212e12ca5d657340311ad11732c768dd497665e42e4b6fbc7e084ce7c724e8174551d682801fd9040b4e7f52319b6671a4ca

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
secure231.servconfig.com
Port:
587
Username:
info@eltaef.com
Password:
eltaefSH6548883

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/560-56-0x0000000000330000-0x0000000000338000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2000-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-64-0x000000000044C92E-mapping.dmp	family_agenttesla
behavioral1/memory/2000-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/560-57-0x0000000000C20000-0x0000000000C78000-memory.dmp	rezer0

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:

BalPO21504pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BalPO21504pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BalPO21504pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BalPO21504pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BalPO21504pdf.exe

description pid process target process

PID 560 set thread context of 2000 560 BalPO21504pdf.exe BalPO21504pdf.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

BalPO21504pdf.exeBalPO21504pdf.exe

pid process

560 BalPO21504pdf.exe
560 BalPO21504pdf.exe
560 BalPO21504pdf.exe
2000 BalPO21504pdf.exe
2000 BalPO21504pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BalPO21504pdf.exeBalPO21504pdf.exe

description pid process

Token: SeDebugPrivilege 560 BalPO21504pdf.exe
Token: SeDebugPrivilege 2000 BalPO21504pdf.exe

description	pid	process	target process
PID 560 set thread context of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe

pid	process
560	BalPO21504pdf.exe
560	BalPO21504pdf.exe
560	BalPO21504pdf.exe
2000	BalPO21504pdf.exe
2000	BalPO21504pdf.exe

description	pid	process
Token: SeDebugPrivilege	560	BalPO21504pdf.exe
Token: SeDebugPrivilege	2000	BalPO21504pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

BalPO21504pdf.exeBalPO21504pdf.exe

description	pid	process	target process
PID 560 wrote to memory of 1980	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1980	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1980	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1980	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1984	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1984	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1984	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 1984	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 560 wrote to memory of 2000	560	BalPO21504pdf.exe	BalPO21504pdf.exe
PID 2000 wrote to memory of 1652	2000	BalPO21504pdf.exe	netsh.exe
PID 2000 wrote to memory of 1652	2000	BalPO21504pdf.exe	netsh.exe
PID 2000 wrote to memory of 1652	2000	BalPO21504pdf.exe	netsh.exe
PID 2000 wrote to memory of 1652	2000	BalPO21504pdf.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

BalPO21504pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BalPO21504pdf.exe

outlook_win_path 1 IoCs

Processes:

BalPO21504pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BalPO21504pdf.exe

C:\Users\Admin\AppData\Local\Temp\BalPO21504pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BalPO21504pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560

C:\Users\Admin\AppData\Local\Temp\BalPO21504pdf.exe
"{path}"
2⤵
PID:1980

C:\Users\Admin\AppData\Local\Temp\BalPO21504pdf.exe
"{path}"
2⤵
PID:1984

C:\Users\Admin\AppData\Local\Temp\BalPO21504pdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2000

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1652

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/560-54-0x0000000000F50000-0x0000000000FB8000-memory.dmp

Filesize
416KB

Download
memory/560-55-0x0000000075271000-0x0000000075273000-memory.dmp

Filesize
8KB

Download
memory/560-56-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/560-57-0x0000000000C20000-0x0000000000C78000-memory.dmp

Filesize
352KB

Download
memory/1652-70-0x0000000000000000-mapping.dmp

Download
memory/2000-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-64-0x000000000044C92E-mapping.dmp

Download
memory/2000-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads