agenttesla | 77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
28-09-2023 19:50

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General

Target

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe
Size

238KB
MD5

11f1939d348cef038e4e873181b059f5
SHA1

84d38561c12b20997e4515e02b3fa340dc8a1812
SHA256

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019
SHA512

b3cf33a32be0b81a5c770b2761b73cb1b47dda80791d8f2ffd4c3feac568fd3ca012c31ae6762b28059f4a120f904f2af8f54331b7b21fca6a9076ceef173c74
SSDEEP

3072:OjAtRoLlvPPMiY+AQ73+KbpcLP+NlakIfxFry:OoEEPtQ73+Kber+3Ipx

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.marinasands.gr
Port:
587
Username:
[email protected]
Password:
;lHJ#%M!iBh-
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

pid	process
2160	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe
2160	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

description pid process

Token: SeDebugPrivilege 2160 77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

description	pid	process
Token: SeDebugPrivilege	2160	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

outlook_office_path 1 IoCs

Processes:

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

outlook_win_path 1 IoCs

Processes:

77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe

C:\Users\Admin\AppData\Local\Temp\77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe
"C:\Users\Admin\AppData\Local\Temp\77e8b50dfff89d0cded42fe2660bd467932dd3d859483b1da3c6c0f9e879e019_JC.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2160-0-0x0000000000080000-0x00000000000C2000-memory.dmp

Filesize
264KB

Download
memory/2160-1-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2160-2-0x00000000040E0000-0x0000000004120000-memory.dmp

Filesize
256KB

Download
memory/2160-3-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2160-4-0x00000000040E0000-0x0000000004120000-memory.dmp

Filesize
256KB

Download