agenttesla | 92ef2c9463b726f151cbc2bac57f6124fd355aa90ec4424de8500a543cfbc457

General

Target

x1mxcUXjjHMfaSa.exe
Size

477KB
MD5

68856fdacb6584e5890f829511aeb545
SHA1

dc51e48753f6e6b25a14c5313fe12f2d0f68b4ef
SHA256

12846f275b6c95522b1b02433f0b11ea979cc328e0ea607c9d706b222d6ebd5a
SHA512

0968f8cd314b731b1b4bfd41248ac48191c6cccd7e3582ca21e1f9d7a67cdae89fe5541c7fe430f1a154b80d249d8edbda34a4c2a66d3b0a2dcd17d68bb71da2

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.annlap.com
Port:
587
Username:
[email protected]
Password:
Control84@

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/1700-62-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1700-63-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1700-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1700-65-0x00000000004546EE-mapping.dmp	family_agenttesla
behavioral1/memory/1700-67-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1700-69-0x0000000000400000-0x000000000045A000-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:

x1mxcUXjjHMfaSa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x1mxcUXjjHMfaSa.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x1mxcUXjjHMfaSa.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x1mxcUXjjHMfaSa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

x1mxcUXjjHMfaSa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	x1mxcUXjjHMfaSa.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

x1mxcUXjjHMfaSa.exe

description pid process target process

PID 1040 set thread context of 1700 1040 x1mxcUXjjHMfaSa.exe x1mxcUXjjHMfaSa.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

x1mxcUXjjHMfaSa.exex1mxcUXjjHMfaSa.exe

pid process

1040 x1mxcUXjjHMfaSa.exe
1040 x1mxcUXjjHMfaSa.exe
1700 x1mxcUXjjHMfaSa.exe
1700 x1mxcUXjjHMfaSa.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

x1mxcUXjjHMfaSa.exex1mxcUXjjHMfaSa.exe

description pid process

Token: SeDebugPrivilege 1040 x1mxcUXjjHMfaSa.exe
Token: SeDebugPrivilege 1700 x1mxcUXjjHMfaSa.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

x1mxcUXjjHMfaSa.exe

pid process

1700 x1mxcUXjjHMfaSa.exe

description	pid	process	target process
PID 1040 set thread context of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe

pid	process
1040	x1mxcUXjjHMfaSa.exe
1040	x1mxcUXjjHMfaSa.exe
1700	x1mxcUXjjHMfaSa.exe
1700	x1mxcUXjjHMfaSa.exe

description	pid	process
Token: SeDebugPrivilege	1040	x1mxcUXjjHMfaSa.exe
Token: SeDebugPrivilege	1700	x1mxcUXjjHMfaSa.exe

pid	process
1700	x1mxcUXjjHMfaSa.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

x1mxcUXjjHMfaSa.exe

description	pid	process	target process
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe
PID 1040 wrote to memory of 1700	1040	x1mxcUXjjHMfaSa.exe	x1mxcUXjjHMfaSa.exe

outlook_office_path 1 IoCs

Processes:

x1mxcUXjjHMfaSa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x1mxcUXjjHMfaSa.exe

outlook_win_path 1 IoCs

Processes:

x1mxcUXjjHMfaSa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x1mxcUXjjHMfaSa.exe

C:\Users\Admin\AppData\Local\Temp\x1mxcUXjjHMfaSa.exe
"C:\Users\Admin\AppData\Local\Temp\x1mxcUXjjHMfaSa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040

C:\Users\Admin\AppData\Local\Temp\x1mxcUXjjHMfaSa.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1700

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

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Downloads

memory/1040-54-0x00000000011B0000-0x000000000122E000-memory.dmp

Filesize
504KB

Download
memory/1040-55-0x0000000076811000-0x0000000076813000-memory.dmp

Filesize
8KB

Download
memory/1040-56-0x00000000006E0000-0x00000000006EA000-memory.dmp

Filesize
40KB

Download
memory/1040-57-0x0000000000F10000-0x0000000000F74000-memory.dmp

Filesize
400KB

Download
memory/1040-58-0x0000000000420000-0x0000000000478000-memory.dmp

Filesize
352KB

Download
memory/1700-59-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1700-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1700-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1700-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1700-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1700-65-0x00000000004546EE-mapping.dmp

Download
memory/1700-67-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1700-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads