agenttesla | ed9698fe15f126c3f0a7cbb91f79b6e32d2227837d406be234614ecfcaa4d6db

General

Target

Payment Confirmation Scanned.exe
Size

485KB
MD5

53c9db3975c364b1f3964244c1e4688c
SHA1

57d57cc154e0f658e71ce3e5c32790b758869911
SHA256

0cd0ad019a38165ffc42a6700bc0bdb3e00b06280e56e0ab01df6f074ee5f625
SHA512

d375fdd6c3f92d81c992dcc219fb25f406892e5b4ac449bae7e712a6b8a2fb1c2247ef65afb7f65767cf52714e42095645e7dd4a6203caac3bc1d403c03a77a4

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
!c}w0m3nCK#h

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/1680-56-0x0000000000390000-0x0000000000398000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/968-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/968-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/968-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/968-64-0x000000000044C8EE-mapping.dmp	family_agenttesla
behavioral1/memory/968-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/968-68-0x0000000000400000-0x0000000000452000-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/1680-57-0x0000000001D90000-0x0000000001DE8000-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:

Payment Confirmation Scanned.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	Payment Confirmation Scanned.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Confirmation Scanned.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Confirmation Scanned.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Confirmation Scanned.exe

description pid process target process

PID 1680 set thread context of 968 1680 Payment Confirmation Scanned.exe Payment Confirmation Scanned.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Payment Confirmation Scanned.exe

pid process

968 Payment Confirmation Scanned.exe
968 Payment Confirmation Scanned.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payment Confirmation Scanned.exe

description pid process

Token: SeDebugPrivilege 968 Payment Confirmation Scanned.exe

description	pid	process	target process
PID 1680 set thread context of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe

pid	process
968	Payment Confirmation Scanned.exe
968	Payment Confirmation Scanned.exe

description	pid	process
Token: SeDebugPrivilege	968	Payment Confirmation Scanned.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Payment Confirmation Scanned.exePayment Confirmation Scanned.exe

description	pid	process	target process
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 1680 wrote to memory of 968	1680	Payment Confirmation Scanned.exe	Payment Confirmation Scanned.exe
PID 968 wrote to memory of 1500	968	Payment Confirmation Scanned.exe	netsh.exe
PID 968 wrote to memory of 1500	968	Payment Confirmation Scanned.exe	netsh.exe
PID 968 wrote to memory of 1500	968	Payment Confirmation Scanned.exe	netsh.exe
PID 968 wrote to memory of 1500	968	Payment Confirmation Scanned.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Payment Confirmation Scanned.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	Payment Confirmation Scanned.exe

outlook_win_path 1 IoCs

Processes:

Payment Confirmation Scanned.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	Payment Confirmation Scanned.exe

C:\Users\Admin\AppData\Local\Temp\Payment Confirmation Scanned.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Confirmation Scanned.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680

C:\Users\Admin\AppData\Local\Temp\Payment Confirmation Scanned.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:968

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1500

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/968-64-0x000000000044C8EE-mapping.dmp

Download
memory/968-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/968-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/968-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/968-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/968-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/968-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/968-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1500-70-0x0000000000000000-mapping.dmp

Download
memory/1680-55-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download
memory/1680-56-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/1680-57-0x0000000001D90000-0x0000000001DE8000-memory.dmp

Filesize
352KB

Download
memory/1680-54-0x0000000000910000-0x0000000000990000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads