agenttesla | eaf9f04e7b89ff0fd3fa3ab826230ffc410762cb6485c252d6682cd4d7630343

General

Target

FedExInvoiceDetailsDec.exe
Size

904KB
MD5

68a8baf4c81bc06fc0d7218f136ceca2
SHA1

b327c03d081a642b1611986cf4d3b5056333d18b
SHA256

eaf9f04e7b89ff0fd3fa3ab826230ffc410762cb6485c252d6682cd4d7630343
SHA512

6e513893daa1531bd0644f558ba51f4a230055d20350e2a1332489eba978fd7af59772c141a57846c86cd7ceb8f2e24c6229d9b598498203638813adb44a7106
SSDEEP

12288:9SoQgKZ/nXt7virmWhlGLaQYIEjmaP8LspX7/dRzI3Nsl3pSQgWnxwt+T3OigMOD:9fKspDRpo7WnSs9D64Iho

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5702698141:AAH3zArxBJTzE6y3KAwr-22tBuWNisJ3iEg/

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

Processes:

FedExInvoiceDetailsDec.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedExInvoiceDetailsDec.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedExInvoiceDetailsDec.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedExInvoiceDetailsDec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

FedExInvoiceDetailsDec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\Skype\\Skype.exe"	FedExInvoiceDetailsDec.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

45 api.ipify.org
46 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

FedExInvoiceDetailsDec.exe

description pid process target process

PID 4660 set thread context of 4676 4660 FedExInvoiceDetailsDec.exe FedExInvoiceDetailsDec.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FedExInvoiceDetailsDec.exe

pid process

4676 FedExInvoiceDetailsDec.exe
4676 FedExInvoiceDetailsDec.exe
4676 FedExInvoiceDetailsDec.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

FedExInvoiceDetailsDec.exe

description pid process

Token: SeDebugPrivilege 4676 FedExInvoiceDetailsDec.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

FedExInvoiceDetailsDec.exe

pid process

4676 FedExInvoiceDetailsDec.exe

flow	ioc
45	api.ipify.org
46	api.ipify.org

description	pid	process	target process
PID 4660 set thread context of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe

pid	process
4676	FedExInvoiceDetailsDec.exe
4676	FedExInvoiceDetailsDec.exe
4676	FedExInvoiceDetailsDec.exe

description	pid	process
Token: SeDebugPrivilege	4676	FedExInvoiceDetailsDec.exe

pid	process
4676	FedExInvoiceDetailsDec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

FedExInvoiceDetailsDec.exe

description	pid	process	target process
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe
PID 4660 wrote to memory of 4676	4660	FedExInvoiceDetailsDec.exe	FedExInvoiceDetailsDec.exe

outlook_office_path 1 IoCs

Processes:

FedExInvoiceDetailsDec.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedExInvoiceDetailsDec.exe

outlook_win_path 1 IoCs

Processes:

FedExInvoiceDetailsDec.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedExInvoiceDetailsDec.exe

C:\Users\Admin\AppData\Local\Temp\FedExInvoiceDetailsDec.exe
"C:\Users\Admin\AppData\Local\Temp\FedExInvoiceDetailsDec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Users\Admin\AppData\Local\Temp\FedExInvoiceDetailsDec.exe
  "C:\Users\Admin\AppData\Local\Temp\FedExInvoiceDetailsDec.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4676

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/4660-132-0x0000000000EE0000-0x0000000000FC8000-memory.dmp

Filesize
928KB

Download
memory/4660-133-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/4660-134-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/4660-135-0x0000000005960000-0x000000000596A000-memory.dmp

Filesize
40KB

Download
memory/4660-136-0x0000000005C10000-0x0000000005CAC000-memory.dmp

Filesize
624KB

Download
memory/4676-137-0x0000000000000000-mapping.dmp

Download
memory/4676-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4676-139-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/4676-140-0x0000000007220000-0x0000000007270000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads