agenttesla | f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c

General

Target

bea4f13b68a1437b995cf2fcf05e68f0.exe
Size

677KB
MD5

bea4f13b68a1437b995cf2fcf05e68f0
SHA1

ca801f10bd5b786b60891a6e65994f82ffc32ec7
SHA256

f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c
SHA512

138ce2d56bd59e63c7a1b1102f2d9f45bcc28647e521afa317ea7f214675d3c5affe8a85b0ef9d1232f864ad31620def7f534e2533e87d780b1652c9ae92db96
SSDEEP

12288:O3m+vY07/kbXc5ZsdcbjEJipYgxcbp80Ua7QvFH/igv+ZPUcRwL:4m0/kqJci/cbpB8lqgSUc6

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server320.web-hosting.com
Port:
587
Username:
[email protected]
Password:
m#+f(b5{XRR3
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-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea4f13b68a1437b995cf2fcf05e68f0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea4f13b68a1437b995cf2fcf05e68f0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea4f13b68a1437b995cf2fcf05e68f0.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-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	bea4f13b68a1437b995cf2fcf05e68f0.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 1764 set thread context of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1428	bea4f13b68a1437b995cf2fcf05e68f0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26
PID 1764 wrote to memory of 1428	1764	bea4f13b68a1437b995cf2fcf05e68f0.exe	26

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea4f13b68a1437b995cf2fcf05e68f0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bea4f13b68a1437b995cf2fcf05e68f0.exe

C:\Users\Admin\AppData\Local\Temp\bea4f13b68a1437b995cf2fcf05e68f0.exe
"C:\Users\Admin\AppData\Local\Temp\bea4f13b68a1437b995cf2fcf05e68f0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\Temp\bea4f13b68a1437b995cf2fcf05e68f0.exe
  "C:\Users\Admin\AppData\Local\Temp\bea4f13b68a1437b995cf2fcf05e68f0.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1428

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

Loading Replay Monitor...

Downloads

memory/1428-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1428-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1428-73-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/1428-71-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/1428-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1428-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1428-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1428-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1428-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1428-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1764-55-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/1764-60-0x00000000008A0000-0x00000000008D2000-memory.dmp

Filesize
200KB

Download
memory/1764-54-0x0000000000900000-0x00000000009B0000-memory.dmp

Filesize
704KB

Download
memory/1764-59-0x0000000005380000-0x00000000053EA000-memory.dmp

Filesize
424KB

Download
memory/1764-58-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/1764-57-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/1764-56-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing