agenttesla | 6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8

General

Target

6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe
Size

165KB
MD5

b48848b1b292aa3259c45a2516d0aae4
SHA1

ef895c4ae0748eeb99740f531f3e5361feeaaa4b
SHA256

6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8
SHA512

2223b34c3146571cfcf8a3dcbdc23561c9fa18a45d430a5dd69aa0368603b8a057c5a5a75f111c40c3bac357cbf38c85d67465d2da1e2e07d5ad8cfd6b3b96e4
SSDEEP

3072:40RSBDuXhOunKNBx0apGKxYvCSxxW6cDd2dDv+hHcEc:wBDBNEeGKYCS7WLQT48E

Score

10^/10

agenttesla redline collection infostealer keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
iebtzpacgzyullvo
Email To:
[email protected]

Signatures

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

Detects Redline Stealer samples 2 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/3908-135-0x00000000051B0000-0x0000000005216000-memory.dmp	redline_stealer
behavioral2/memory/3908-142-0x0000000006C70000-0x0000000006E32000-memory.dmp	redline_stealer

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe"	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.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
17	api.ipify.org

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3908	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe

C:\Users\Admin\AppData\Local\Temp\6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe
"C:\Users\Admin\AppData\Local\Temp\6091bd7232ac362de5f7b1618a8e476b146a436b4dea2c188b9403405dd7cba8.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3908

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/3908-133-0x0000000000640000-0x0000000000670000-memory.dmp

Filesize
192KB

Download
memory/3908-134-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/3908-135-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/3908-136-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3908-137-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3908-138-0x0000000006860000-0x00000000068F2000-memory.dmp

Filesize
584KB

Download
memory/3908-140-0x00000000067E0000-0x00000000067EA000-memory.dmp

Filesize
40KB

Download
memory/3908-141-0x0000000006570000-0x00000000065C0000-memory.dmp

Filesize
320KB

Download
memory/3908-142-0x0000000006C70000-0x0000000006E32000-memory.dmp

Filesize
1.8MB

Download

Analysis

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