agenttesla | 08b65490b006f4fc37d5c72b609d67590fa8b13597e89c1708704f0f4a3b2cd1

General

Target

wzzy334.exe
Size

735KB
MD5

d689a22a87237998ab61ccab05a5eab0
SHA1

b3d175e2611c5eac44610efffb72cf7ef5fbe138
SHA256

86e5796ae957a22f0b55caae1fee9af102cea6e31fca38e4334a50f0b5e57971
SHA512

1775cd1be726b84089c9bced1a4c6ca79cac4aba9ce7ebc47bf545a4b49abd7b04c48853c18624fbdca3eee9158f8bd111890adda9b7c2e24a648d3c000a94be

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.totallyanonymous.com
Port:
587
Username:
[email protected]
Password:
186s509N

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.totallyanonymous.com
Port:
587
Username:
[email protected]
Password:
186s509N

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
behavioral2/memory/3196-132-0x0000000000910000-0x0000000000962000-memory.dmp	family_agenttesla
behavioral2/memory/3196-133-0x0000000000910000-0x0000000000962000-memory.dmp	family_agenttesla

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:

wzzy334.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wzzy334.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wzzy334.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wzzy334.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wzzy334.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yxUsF = "C:\\Users\\Admin\\AppData\\Roaming\\yxUsF\\yxUsF.exe"	wzzy334.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wzzy334.exe

description pid process target process

PID 2360 set thread context of 3196 2360 wzzy334.exe wzzy334.exe

description	pid	process	target process
PID 2360 set thread context of 3196	2360	wzzy334.exe	wzzy334.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

wzzy334.exewzzy334.exewzzy334.exe

pid	process
2360	wzzy334.exe
2360	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
2816	wzzy334.exe
3196	wzzy334.exe
3196	wzzy334.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

wzzy334.exe

pid process

2360 wzzy334.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

wzzy334.exe

pid process

3196 wzzy334.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wzzy334.exe

description pid process

Token: SeDebugPrivilege 3196 wzzy334.exe

pid	process
3196	wzzy334.exe

description	pid	process
Token: SeDebugPrivilege	3196	wzzy334.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

wzzy334.exewzzy334.exe

description	pid	process	target process
PID 2360 wrote to memory of 3196	2360	wzzy334.exe	wzzy334.exe
PID 2360 wrote to memory of 3196	2360	wzzy334.exe	wzzy334.exe
PID 2360 wrote to memory of 3196	2360	wzzy334.exe	wzzy334.exe
PID 2360 wrote to memory of 2816	2360	wzzy334.exe	wzzy334.exe
PID 2360 wrote to memory of 2816	2360	wzzy334.exe	wzzy334.exe
PID 2360 wrote to memory of 2816	2360	wzzy334.exe	wzzy334.exe
PID 3196 wrote to memory of 2228	3196	wzzy334.exe	netsh.exe
PID 3196 wrote to memory of 2228	3196	wzzy334.exe	netsh.exe
PID 3196 wrote to memory of 2228	3196	wzzy334.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

wzzy334.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wzzy334.exe

outlook_win_path 1 IoCs

Processes:

wzzy334.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wzzy334.exe

C:\Users\Admin\AppData\Local\Temp\wzzy334.exe
"C:\Users\Admin\AppData\Local\Temp\wzzy334.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2360

C:\Users\Admin\AppData\Local\Temp\wzzy334.exe
"C:\Users\Admin\AppData\Local\Temp\wzzy334.exe" 2 3196 240544625
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2816

C:\Users\Admin\AppData\Local\Temp\wzzy334.exe
"C:\Users\Admin\AppData\Local\Temp\wzzy334.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:3196

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2228

Network

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/2228-141-0x0000000000000000-mapping.dmp

Download
memory/2360-134-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2816-131-0x0000000000000000-mapping.dmp

Download
memory/2816-135-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/3196-136-0x0000000004D70000-0x0000000005314000-memory.dmp

Filesize
5.6MB

Download
memory/3196-133-0x0000000000910000-0x0000000000962000-memory.dmp

Filesize
328KB

Download
memory/3196-132-0x0000000000910000-0x0000000000962000-memory.dmp

Filesize
328KB

Download
memory/3196-137-0x0000000004A30000-0x0000000004AC2000-memory.dmp

Filesize
584KB

Download
memory/3196-138-0x0000000004C10000-0x0000000004CAC000-memory.dmp

Filesize
624KB

Download
memory/3196-139-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/3196-140-0x0000000005D50000-0x0000000005DA0000-memory.dmp

Filesize
320KB

Download
memory/3196-130-0x0000000000000000-mapping.dmp

Download
memory/3196-142-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads