agenttesla | 4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623

General

Target

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe
Size

165KB
MD5

1990b2894ddc5c880fd0719698058001
SHA1

9fc799bbb24905e466ef2a115cd8c0a7a18e2382
SHA256

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623
SHA512

0b03bf5b687c1b7e93ae8fd85c462b37f1110540284c070b214b384e875bd6d555f38af70c8f86e5414d7eecaf9a8e09ff9967d83fbecd7ec7e1aea61b84e0f3
SSDEEP

3072:tCyLGlHofRs5w0/KuqXlCjV/TXrhaUx4oZENGzhOpgl:pMl/KlCNgUzZEMV0g

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server327.web-hosting.com
Port:
587
Username:
[email protected]
Password:
3L3lvqtPESC3
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3440-1-0x00000000004A0000-0x00000000004D0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.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

20 api.ipify.org
21 api.ipify.org
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

description pid process

Token: SeDebugPrivilege 3440 4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

flow	ioc
20	api.ipify.org
21	api.ipify.org

description	pid	process
Token: SeDebugPrivilege	3440	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

outlook_office_path 1 IoCs

Processes:

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

outlook_win_path 1 IoCs

Processes:

4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe

C:\Users\Admin\AppData\Local\Temp\4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe
"C:\Users\Admin\AppData\Local\Temp\4499077fe4f2c56b509836c30fb2dfc9410d73b0767bbbf88696ca941df6a623.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3440

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/3440-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/3440-1-0x00000000004A0000-0x00000000004D0000-memory.dmp

Filesize
192KB

Download
memory/3440-2-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/3440-3-0x0000000004F10000-0x0000000004F76000-memory.dmp

Filesize
408KB

Download
memory/3440-4-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3440-5-0x00000000068F0000-0x0000000006982000-memory.dmp

Filesize
584KB

Download
memory/3440-7-0x00000000068B0000-0x00000000068BA000-memory.dmp

Filesize
40KB

Download
memory/3440-8-0x0000000006B40000-0x0000000006B90000-memory.dmp

Filesize
320KB

Download
memory/3440-9-0x0000000006D60000-0x0000000006F22000-memory.dmp

Filesize
1.8MB

Download
memory/3440-10-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/3440-11-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads