agenttesla | fe155a2f79eb0a91c02433b13776d9d2a4a05c7e31c1291e67d5fd2138b98681

General

Target

Data Specification.exe
Size

442KB
MD5

4ac699c93b9942e025616162e0147c29
SHA1

302aec80d7a368c1887f22f33c151d827798d82f
SHA256

9afb1269ba69bd18c0e77c2061cbbbec9ef53143d2e39079ef729f9da2eb000b
SHA512

38fc69966254c8b77030bd78de2a1366173f9e848aa7727eab2884fd6207c0ed55c33f93c7c9ebf1d5a273ff3c5001e0dba76bcf8cee3c9b59f48a426c920bfc

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flood-protection.org
Port:
587
Username:
[email protected]
Password:
udug2424@

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1984-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1984-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1984-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1984-64-0x000000000044AA7E-mapping.dmp	family_agenttesla
behavioral1/memory/1984-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1984-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_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

Processes:

Data Specification.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Data Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Data Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Data Specification.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Data Specification.exe

description pid process target process

PID 888 set thread context of 1984 888 Data Specification.exe Data Specification.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2040 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Data Specification.exeData Specification.exe

pid process

888 Data Specification.exe
888 Data Specification.exe
888 Data Specification.exe
1984 Data Specification.exe
1984 Data Specification.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Data Specification.exeData Specification.exe

description pid process

Token: SeDebugPrivilege 888 Data Specification.exe
Token: SeDebugPrivilege 1984 Data Specification.exe

description	pid	process	target process
PID 888 set thread context of 1984	888	Data Specification.exe	Data Specification.exe

pid	process
2040	schtasks.exe

pid	process
888	Data Specification.exe
888	Data Specification.exe
888	Data Specification.exe
1984	Data Specification.exe
1984	Data Specification.exe

description	pid	process
Token: SeDebugPrivilege	888	Data Specification.exe
Token: SeDebugPrivilege	1984	Data Specification.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Data Specification.exeData Specification.exe

description	pid	process	target process
PID 888 wrote to memory of 2040	888	Data Specification.exe	schtasks.exe
PID 888 wrote to memory of 2040	888	Data Specification.exe	schtasks.exe
PID 888 wrote to memory of 2040	888	Data Specification.exe	schtasks.exe
PID 888 wrote to memory of 2040	888	Data Specification.exe	schtasks.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 888 wrote to memory of 1984	888	Data Specification.exe	Data Specification.exe
PID 1984 wrote to memory of 1104	1984	Data Specification.exe	netsh.exe
PID 1984 wrote to memory of 1104	1984	Data Specification.exe	netsh.exe
PID 1984 wrote to memory of 1104	1984	Data Specification.exe	netsh.exe
PID 1984 wrote to memory of 1104	1984	Data Specification.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Data Specification.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Data Specification.exe

outlook_win_path 1 IoCs

Processes:

Data Specification.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Data Specification.exe

C:\Users\Admin\AppData\Local\Temp\Data Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Data Specification.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WVgEyFggAE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF6E.tmp"
2⤵
- Creates scheduled task(s)
PID:2040

C:\Users\Admin\AppData\Local\Temp\Data Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Data Specification.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1984

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1104

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEF6E.tmp
Filesize
1KB

MD5
9f69b98187c7d51a4dbd5c87484a1cb8

SHA1
b4d4349f1005fed19e58ae957cc2d3ce81167ea0

SHA256
4fe39338db978078ebddc581500f0c58ace6d02b2ad39d40dd1bd56b23205d97

SHA512
1bac40daa91d87e3cf6c8b2bdfb7d36f4e39039b7bbdf88b4195f95837db6810019e4a4a128313c768e1aa1a31932eeaec1dcde7996bd86091f558b1e2215fe1

Download Submit
memory/888-54-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/888-55-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1104-71-0x0000000000000000-mapping.dmp

Download
memory/1984-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-64-0x000000000044AA7E-mapping.dmp

Download
memory/1984-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1984-70-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/2040-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads