agenttesla | da713f02e7044a3b63ea9a30006db81ba4577d87b0611aa95205be1df742aea1

General

Target

NEW_PO_J.exe
Size

707KB
MD5

56691af2924510627ff5ebfebbf34ae6
SHA1

2da88ce034e652d40d621a1cc3fe5abc6a5c46d5
SHA256

bd0942599a238c4cdc3c2da9351ce62e14e6a212513ddd66b9da598fb35dcbf2
SHA512

e52797941bb070cbb091387e236218911a7738a623bf4cd4be97e2c9de12985acc115626dde57711ec5b0610b8d88bb6be9ad75d430f06972a16f89c25afd0f9

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ilclaw.com.ph
Port:
587
Username:
[email protected]
Password:
P@ssw0rd

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/1744-56-0x0000000000590000-0x0000000000598000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1324-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1324-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1324-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1324-66-0x000000000044C46E-mapping.dmp	family_agenttesla
behavioral1/memory/1324-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1324-70-0x0000000000400000-0x0000000000452000-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/1744-57-0x0000000000FE0000-0x0000000001038000-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:

NEW_PO_J.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW_PO_J.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW_PO_J.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW_PO_J.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW_PO_J.exe

description pid process target process

PID 1744 set thread context of 1324 1744 NEW_PO_J.exe NEW_PO_J.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

1792 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NEW_PO_J.exe

pid process

1324 NEW_PO_J.exe
1324 NEW_PO_J.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW_PO_J.exeNEW_PO_J.exe

description pid process

Token: SeDebugPrivilege 1744 NEW_PO_J.exe
Token: SeDebugPrivilege 1324 NEW_PO_J.exe

description	pid	process	target process
PID 1744 set thread context of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe

pid	process
1792	schtasks.exe

pid	process
1324	NEW_PO_J.exe
1324	NEW_PO_J.exe

description	pid	process
Token: SeDebugPrivilege	1744	NEW_PO_J.exe
Token: SeDebugPrivilege	1324	NEW_PO_J.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

NEW_PO_J.exeNEW_PO_J.exe

description	pid	process	target process
PID 1744 wrote to memory of 1792	1744	NEW_PO_J.exe	schtasks.exe
PID 1744 wrote to memory of 1792	1744	NEW_PO_J.exe	schtasks.exe
PID 1744 wrote to memory of 1792	1744	NEW_PO_J.exe	schtasks.exe
PID 1744 wrote to memory of 1792	1744	NEW_PO_J.exe	schtasks.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1744 wrote to memory of 1324	1744	NEW_PO_J.exe	NEW_PO_J.exe
PID 1324 wrote to memory of 1508	1324	NEW_PO_J.exe	netsh.exe
PID 1324 wrote to memory of 1508	1324	NEW_PO_J.exe	netsh.exe
PID 1324 wrote to memory of 1508	1324	NEW_PO_J.exe	netsh.exe
PID 1324 wrote to memory of 1508	1324	NEW_PO_J.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

NEW_PO_J.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW_PO_J.exe

outlook_win_path 1 IoCs

Processes:

NEW_PO_J.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW_PO_J.exe

C:\Users\Admin\AppData\Local\Temp\NEW_PO_J.exe
"C:\Users\Admin\AppData\Local\Temp\NEW_PO_J.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BqyzRQawmJj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BFB.tmp"
2⤵
- Creates scheduled task(s)
PID:1792

C:\Users\Admin\AppData\Local\Temp\NEW_PO_J.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:1324

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1508

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8BFB.tmp
Filesize
1KB

MD5
90b68235928515b407fc9ea1ddedda62

SHA1
1eb4cf70a02a7c07c2845a6a0432c7aab7e3fb3c

SHA256
211ff4b7ccdc71cc87bd699bc0aa729b12c8ac61ab54028839a1bdbea5fc64b9

SHA512
2ad43ca2f199233484304d7e75257986341925642d01ef48baddab6b5907018cd9b50de872d44c57cc6f6f605fe34a0bcbb7de631a02ae690b1b4505e9202c59

Download Submit
memory/1324-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-66-0x000000000044C46E-mapping.dmp

Download
memory/1324-71-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1324-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1324-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1508-72-0x0000000000000000-mapping.dmp

Download
memory/1744-56-0x0000000000590000-0x0000000000598000-memory.dmp

Filesize
32KB

Download
memory/1744-55-0x0000000000440000-0x00000000004A2000-memory.dmp

Filesize
392KB

Download
memory/1744-54-0x0000000001190000-0x000000000124A000-memory.dmp

Filesize
744KB

Download
memory/1744-57-0x0000000000FE0000-0x0000000001038000-memory.dmp

Filesize
352KB

Download
memory/1792-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads