agenttesla | 5edaf3d22e98b27241e8dc077498ed636452db338dce8285cdfc003fe8071c86

General

Target

311d4bae516d3cdec05f0dc98.exe
Size

652KB
MD5

311d4bae516d3cdec05f0dc98166fdff
SHA1

232f7cbbe0926aa0f07f73ccb50375f65b63754b
SHA256

5edaf3d22e98b27241e8dc077498ed636452db338dce8285cdfc003fe8071c86
SHA512

40adb7e1911fef7797e7d21b180927dd6258ed128c320a3c5c13d4025e723f16c334445f7d956ef9ffa013e247aefbf4f05be1c8edd3ed7fa58b05f02b343414
SSDEEP

12288:c4C6DCBwrKSSaDLsS6CsfZzUKZkqRgSd:vRNLs6GZzRHR

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.fiibearings.com
Port:
587
Username:
[email protected]
Password:
O*NjAGo4
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-1-5-21-3891603265-141683679-4067940827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	311d4bae516d3cdec05f0dc98.exe
Key opened	\REGISTRY\USER\S-1-5-21-3891603265-141683679-4067940827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	311d4bae516d3cdec05f0dc98.exe
Key opened	\REGISTRY\USER\S-1-5-21-3891603265-141683679-4067940827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	311d4bae516d3cdec05f0dc98.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 2296 set thread context of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	311d4bae516d3cdec05f0dc98.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1264	311d4bae516d3cdec05f0dc98.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29
PID 2296 wrote to memory of 1264	2296	311d4bae516d3cdec05f0dc98.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3891603265-141683679-4067940827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	311d4bae516d3cdec05f0dc98.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3891603265-141683679-4067940827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	311d4bae516d3cdec05f0dc98.exe

C:\Users\Admin\AppData\Local\Temp\311d4bae516d3cdec05f0dc98.exe
"C:\Users\Admin\AppData\Local\Temp\311d4bae516d3cdec05f0dc98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\311d4bae516d3cdec05f0dc98.exe
  "C:\Users\Admin\AppData\Local\Temp\311d4bae516d3cdec05f0dc98.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1264

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/1264-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1264-71-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/1264-70-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/1264-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2296-55-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download
memory/2296-59-0x0000000005140000-0x00000000051AA000-memory.dmp

Filesize
424KB

Download
memory/2296-54-0x0000000000820000-0x00000000008CA000-memory.dmp

Filesize
680KB

Download
memory/2296-58-0x0000000000800000-0x000000000080C000-memory.dmp

Filesize
48KB

Download
memory/2296-57-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download
memory/2296-56-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download

Analysis

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