agenttesla | 9dcbee0454cf7f6645f8d0dc63edc727c16d6d8c6bbf60f5e1980b41339ac441

General

Target

21324322.exe
Size

884KB
MD5

18a014f609a3c4e28caf6e39ec90676d
SHA1

90aa0eb8cdff811717f3357618d502ae37eb1f64
SHA256

9dcbee0454cf7f6645f8d0dc63edc727c16d6d8c6bbf60f5e1980b41339ac441
SHA512

c3f5faadd4bb5c40c2d67beb7cf3de81eacf08d7df01f3a4c9849f3bb21f805e820c3d640a0cf591e7bdc9b60e6d10611ffa0536a6176f4d1618676ad933e92f
SSDEEP

12288:q00cJLpNaPn0YPX/N5ZHDLyfNwVHiHK3U/xKiQqqYvxjo8IueBHYYQr9G2GqVD10:T0c8P0aZ6aSxK7GzIuYYVrYqo

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wrnj.com
Port:
587
Username:
[email protected]
Password:
Rnj@899889
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
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21324322.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21324322.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21324322.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 1932	1900	21324322.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1900	21324322.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	21324322.exe
Token: SeDebugPrivilege	1932	21324322.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1932	21324322.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 668	1900	21324322.exe	27
PID 1900 wrote to memory of 668	1900	21324322.exe	27
PID 1900 wrote to memory of 668	1900	21324322.exe	27
PID 1900 wrote to memory of 668	1900	21324322.exe	27
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28
PID 1900 wrote to memory of 1932	1900	21324322.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21324322.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	21324322.exe

C:\Users\Admin\AppData\Local\Temp\21324322.exe
"C:\Users\Admin\AppData\Local\Temp\21324322.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\21324322.exe
  "C:\Users\Admin\AppData\Local\Temp\21324322.exe"
  2⤵
  PID:668
- C:\Users\Admin\AppData\Local\Temp\21324322.exe
  "C:\Users\Admin\AppData\Local\Temp\21324322.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1932

Network

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

Replay Monitor

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Downloads

memory/1900-54-0x0000000000EE0000-0x0000000000FC4000-memory.dmp

Filesize
912KB

Download
memory/1900-55-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1900-56-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/1900-57-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1900-58-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/1900-59-0x0000000005880000-0x0000000005916000-memory.dmp

Filesize
600KB

Download
memory/1900-60-0x0000000005690000-0x00000000056EE000-memory.dmp

Filesize
376KB

Download
memory/1932-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1932-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1932-71-0x0000000000C70000-0x0000000000CB0000-memory.dmp

Filesize
256KB

Download
memory/1932-86-0x0000000000C70000-0x0000000000CB0000-memory.dmp

Filesize
256KB

Download

Analysis

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