agenttesla | 18896b3256b0f680ea314c37fdfa60f7a629c401aa3c543397438de83541d4df

General

Target

FBA0KlDbyCLkrrq.exe
Size

505KB
MD5

08819db48ec45a6d8c752caf9bfe36be
SHA1

deba244e556dd127dc200cd3fa03f4a47e459caa
SHA256

dfdf88236afb5c46d1622fac66a2d5badd89bb9bd5fa18c247d1173375b51bbe
SHA512

60ccf9f6fb1a95a227099c1eaadb05d5ce85bd56138b485e519c925293b9d2c8744d093f5ec428a57ad9fdacb374eb45b82ad173c5a1df7843120c4f78001f84

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.sardaplywood.com
Port:
587
Username:
[email protected]
Password:
sup123st45

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sardaplywood.com
Port:
587
Username:
[email protected]
Password:
sup123st45

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2520-137-0x0000000000400000-0x000000000045A000-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:

FBA0KlDbyCLkrrq.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FBA0KlDbyCLkrrq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FBA0KlDbyCLkrrq.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FBA0KlDbyCLkrrq.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

FBA0KlDbyCLkrrq.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\\\.exe"	FBA0KlDbyCLkrrq.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FBA0KlDbyCLkrrq.exe

description pid process target process

PID 844 set thread context of 2520 844 FBA0KlDbyCLkrrq.exe FBA0KlDbyCLkrrq.exe

description	pid	process	target process
PID 844 set thread context of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

FBA0KlDbyCLkrrq.exeFBA0KlDbyCLkrrq.exe

pid	process
844	FBA0KlDbyCLkrrq.exe
844	FBA0KlDbyCLkrrq.exe
844	FBA0KlDbyCLkrrq.exe
844	FBA0KlDbyCLkrrq.exe
844	FBA0KlDbyCLkrrq.exe
844	FBA0KlDbyCLkrrq.exe
2520	FBA0KlDbyCLkrrq.exe
2520	FBA0KlDbyCLkrrq.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

FBA0KlDbyCLkrrq.exe

pid process

2520 FBA0KlDbyCLkrrq.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FBA0KlDbyCLkrrq.exeFBA0KlDbyCLkrrq.exe

description pid process

Token: SeDebugPrivilege 844 FBA0KlDbyCLkrrq.exe
Token: SeDebugPrivilege 2520 FBA0KlDbyCLkrrq.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

FBA0KlDbyCLkrrq.exe

pid process

2520 FBA0KlDbyCLkrrq.exe

pid	process
2520	FBA0KlDbyCLkrrq.exe

description	pid	process
Token: SeDebugPrivilege	844	FBA0KlDbyCLkrrq.exe
Token: SeDebugPrivilege	2520	FBA0KlDbyCLkrrq.exe

pid	process
2520	FBA0KlDbyCLkrrq.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

FBA0KlDbyCLkrrq.exe

description	pid	process	target process
PID 844 wrote to memory of 2324	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2324	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2324	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe
PID 844 wrote to memory of 2520	844	FBA0KlDbyCLkrrq.exe	FBA0KlDbyCLkrrq.exe

outlook_office_path 1 IoCs

Processes:

FBA0KlDbyCLkrrq.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FBA0KlDbyCLkrrq.exe

outlook_win_path 1 IoCs

Processes:

FBA0KlDbyCLkrrq.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FBA0KlDbyCLkrrq.exe

C:\Users\Admin\AppData\Local\Temp\FBA0KlDbyCLkrrq.exe
"C:\Users\Admin\AppData\Local\Temp\FBA0KlDbyCLkrrq.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844

C:\Users\Admin\AppData\Local\Temp\FBA0KlDbyCLkrrq.exe
"{path}"
2⤵
PID:2324

C:\Users\Admin\AppData\Local\Temp\FBA0KlDbyCLkrrq.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2520

Network

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FBA0KlDbyCLkrrq.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/844-130-0x00000000000B0000-0x0000000000134000-memory.dmp

Filesize
528KB

Download
memory/844-131-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/844-132-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/844-133-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

Filesize
40KB

Download
memory/844-134-0x00000000083C0000-0x000000000845C000-memory.dmp

Filesize
624KB

Download
memory/2324-135-0x0000000000000000-mapping.dmp

Download
memory/2520-136-0x0000000000000000-mapping.dmp

Download
memory/2520-137-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2520-139-0x0000000005C20000-0x0000000005C86000-memory.dmp

Filesize
408KB

Download
memory/2520-140-0x00000000062C0000-0x0000000006310000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads