agenttesla | 02efa36dd4234ec4d70a085ef835696433943672021e90a20bb1d61bf0871ed8

General

Target

FedEx Receipt_2314174712.exe
Size

821KB
MD5

8d0a2a254b9cb085a733265d00950789
SHA1

e0ad9b267f52bc134ce9f72e77e507fc9e4f01c4
SHA256

02efa36dd4234ec4d70a085ef835696433943672021e90a20bb1d61bf0871ed8
SHA512

041597c350b2a3f46cc7fde65f12e3c0ab7848bf9b9fca23a512a89f63b5c77d0675a3d8ac96e9b6247dcd21c8e32a9adaa7901d97ddb42a11d7864c12f78c5f
SSDEEP

24576:HeSqG4yPaw6F0s14r5K7R6Zp79Y9OtgOSBVaogRM:IlWs14r5K7y9YwtgOS+ogC

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5826219676:AAHzaO_KidyTjZ5PTwFErYpZivpT8wfDUno/

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedEx Receipt_2314174712.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedEx Receipt_2314174712.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedEx Receipt_2314174712.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\Skype\\Skype.exe"	FedEx Receipt_2314174712.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 1692	1516	FedEx Receipt_2314174712.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	FedEx Receipt_2314174712.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1692	FedEx Receipt_2314174712.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27
PID 1516 wrote to memory of 1692	1516	FedEx Receipt_2314174712.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedEx Receipt_2314174712.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FedEx Receipt_2314174712.exe

C:\Users\Admin\AppData\Local\Temp\FedEx Receipt_2314174712.exe
"C:\Users\Admin\AppData\Local\Temp\FedEx Receipt_2314174712.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\FedEx Receipt_2314174712.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEx Receipt_2314174712.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1692

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

Replay Monitor

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Downloads

memory/1516-54-0x00000000013B0000-0x0000000001484000-memory.dmp

Filesize
848KB

Download
memory/1516-55-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1516-56-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1516-57-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/1516-58-0x00000000050B0000-0x000000000511A000-memory.dmp

Filesize
424KB

Download
memory/1516-59-0x0000000004E80000-0x0000000004EB0000-memory.dmp

Filesize
192KB

Download
memory/1692-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1692-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1692-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1692-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1692-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1692-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1692-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing