agenttesla | d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:27

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General

Target

d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe
Size

234KB
MD5

9dd5172ad690b1b107486f558b260d2d
SHA1

2178edeb89ef25657ad7ee91c0502ef22febc0b8
SHA256

d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e
SHA512

be0633e058718ae7487c9a79770e8cfa71e7e02a28537c54aa9f55dd152748f2a7c1509c7fd6e852210b6a976784b1399d5c5ff0f3c42efc0f13d2e5478251f8
SSDEEP

3072:UvldeCmyuzroZaXmb4bla8S3endPMWV5K2oBXG:UddeCmyuzroZaWb4blnwenyWbo9

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
uqVB1SvSSAxB
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
behavioral1/memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
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

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe

pid	process
1724	d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe
1724	d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe

description pid process

Token: SeDebugPrivilege 1724 d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe

description	pid	process
Token: SeDebugPrivilege	1724	d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe

C:\Users\Admin\AppData\Local\Temp\d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe
"C:\Users\Admin\AppData\Local\Temp\d3961de67c0453dd8a66da7b36c527de106d9dcb8e8e7cb985afdcd26692fd0e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1724-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1724-1-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/1724-2-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-3-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1724-4-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download