agenttesla | 7200748e55269a97a84abb10070061e04f272d902f86c2ed0fea33225e042bd6

General

Target

RFQ (4500387063).exe
Size

665KB
MD5

64b3b21debf0bd2f82435b17bf774d8b
SHA1

2e23acedc6f0d3e136ce5e1d6709b7f0b6a50304
SHA256

7079cca8dabf1431d9b2f4c4d74bc6856991d583ed511e39a229a760ffe47d85
SHA512

330eb1ec806a09662b5ca05af1e9f7014e86a75d6d4a7cc98592948038f612288d298087bd67281281f4398e5e34d89d7e57adb4a149fa61d4f575882d685251

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
JesusChrist007

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2012-59-0x0000000001D00000-0x0000000001D52000-memory.dmp	family_agenttesla
behavioral1/memory/2012-60-0x0000000001D00000-0x0000000001D52000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

Processes:

notepad.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.vbs notepad.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
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.vbs	notepad.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RFQ (4500387063).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	RFQ (4500387063).exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ (4500387063).exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ (4500387063).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ (4500387063).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	RFQ (4500387063).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ (4500387063).exe

description pid process target process

PID 1148 set thread context of 2012 1148 RFQ (4500387063).exe RFQ (4500387063).exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RFQ (4500387063).exeRFQ (4500387063).exe

pid process

1148 RFQ (4500387063).exe
2012 RFQ (4500387063).exe
2012 RFQ (4500387063).exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

RFQ (4500387063).exe

pid process

1148 RFQ (4500387063).exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

RFQ (4500387063).exe

pid process

2012 RFQ (4500387063).exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ (4500387063).exe

description pid process

Token: SeDebugPrivilege 2012 RFQ (4500387063).exe

description	pid	process	target process
PID 1148 set thread context of 2012	1148	RFQ (4500387063).exe	RFQ (4500387063).exe

pid	process
1148	RFQ (4500387063).exe
2012	RFQ (4500387063).exe
2012	RFQ (4500387063).exe

pid	process
1148	RFQ (4500387063).exe

pid	process
2012	RFQ (4500387063).exe

description	pid	process
Token: SeDebugPrivilege	2012	RFQ (4500387063).exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

RFQ (4500387063).exeRFQ (4500387063).exe

description	pid	process	target process
PID 1148 wrote to memory of 2016	1148	RFQ (4500387063).exe	notepad.exe
PID 1148 wrote to memory of 2016	1148	RFQ (4500387063).exe	notepad.exe
PID 1148 wrote to memory of 2016	1148	RFQ (4500387063).exe	notepad.exe
PID 1148 wrote to memory of 2016	1148	RFQ (4500387063).exe	notepad.exe
PID 1148 wrote to memory of 2016	1148	RFQ (4500387063).exe	notepad.exe
PID 1148 wrote to memory of 2016	1148	RFQ (4500387063).exe	notepad.exe
PID 1148 wrote to memory of 2012	1148	RFQ (4500387063).exe	RFQ (4500387063).exe
PID 1148 wrote to memory of 2012	1148	RFQ (4500387063).exe	RFQ (4500387063).exe
PID 1148 wrote to memory of 2012	1148	RFQ (4500387063).exe	RFQ (4500387063).exe
PID 1148 wrote to memory of 2012	1148	RFQ (4500387063).exe	RFQ (4500387063).exe
PID 2012 wrote to memory of 840	2012	RFQ (4500387063).exe	netsh.exe
PID 2012 wrote to memory of 840	2012	RFQ (4500387063).exe	netsh.exe
PID 2012 wrote to memory of 840	2012	RFQ (4500387063).exe	netsh.exe
PID 2012 wrote to memory of 840	2012	RFQ (4500387063).exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RFQ (4500387063).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	RFQ (4500387063).exe

outlook_win_path 1 IoCs

Processes:

RFQ (4500387063).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	RFQ (4500387063).exe

C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe
"C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\system32\notepad.exe"
2⤵
- Drops startup file
PID:2016

C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe
"C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2012

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:840

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/840-63-0x0000000000000000-mapping.dmp

Download
memory/1148-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1148-58-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2012-57-0x00000000004AECC0-mapping.dmp

Download
memory/2012-59-0x0000000001D00000-0x0000000001D52000-memory.dmp

Filesize
328KB

Download
memory/2012-60-0x0000000001D00000-0x0000000001D52000-memory.dmp

Filesize
328KB

Download
memory/2012-62-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/2016-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads