agenttesla | 7c8aaa88dd30f1b0301e3aaf0da58cdea2dfa56c0eb3b35b68123ecdefdf59e9

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2023 15:03

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General

Target

32f2d7c0a6af9eb96bc8a9f18a95250d.exe
Size

2.6MB
MD5

32f2d7c0a6af9eb96bc8a9f18a95250d
SHA1

1f75de7f58f02640d65332cc6112fbe94e356699
SHA256

277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918
SHA512

b8b9b102f746fd889b3a0a097c9fde9a82233c67a98252d8ab674089346310c8110e5017b12e5ee7662e1ef57ea0f41d85f588e25c13ecbcce9dc304f77fba63
SSDEEP

24576:nFQ24ZXcZ+sVM/urmZVeVBIRZFP8T5MizxHW1mSNAvRI:nsm+RxzeVBmZd8ONAZ

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server1.sqsendy.shop
Port:
587
Username:
[email protected]
Password:
a]pX7AXvUf=6
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\MyApp\\32f2d7c0a6af9eb96bc8a9f18a95250d.exe"	reg.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.

flow	ioc
30	api.ipify.org
31	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
928	RegAsm.exe
928	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	928	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 3384	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	89
PID 2036 wrote to memory of 3384	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	89
PID 2036 wrote to memory of 3384	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	89
PID 3384 wrote to memory of 5048	3384	cmd.exe	95
PID 3384 wrote to memory of 5048	3384	cmd.exe	95
PID 3384 wrote to memory of 5048	3384	cmd.exe	95
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97
PID 2036 wrote to memory of 928	2036	32f2d7c0a6af9eb96bc8a9f18a95250d.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\32f2d7c0a6af9eb96bc8a9f18a95250d.exe
"C:\Users\Admin\AppData\Local\Temp\32f2d7c0a6af9eb96bc8a9f18a95250d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3384
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v "Startup" /t REG_SZ /d C:\Users\Admin\AppData\Roaming\Microsoft\MyApp\32f2d7c0a6af9eb96bc8a9f18a95250d.exe /f
    3⤵
    - Adds Run key to start application
    PID:5048
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

Replay Monitor

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Downloads

memory/928-14-0x00000000069F0000-0x0000000006BB2000-memory.dmp

Filesize
1.8MB

Download
memory/928-15-0x00000000068C0000-0x0000000006952000-memory.dmp

Filesize
584KB

Download
memory/928-10-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/928-18-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/928-11-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/928-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/928-17-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/928-12-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/928-16-0x0000000006870000-0x000000000687A000-memory.dmp

Filesize
40KB

Download
memory/928-13-0x00000000067D0000-0x0000000006820000-memory.dmp

Filesize
320KB

Download
memory/928-9-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2036-5-0x0000000005BC0000-0x0000000005BC8000-memory.dmp

Filesize
32KB

Download
memory/2036-1-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2036-0-0x0000000000FC0000-0x000000000126C000-memory.dmp

Filesize
2.7MB

Download
memory/2036-3-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

Filesize
64KB

Download
memory/2036-8-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2036-4-0x0000000005B90000-0x0000000005BA2000-memory.dmp

Filesize
72KB

Download