agenttesla | bbee8cfb92eb86007b07151e015714c58ae670b9c68c90421f5407d4b285fca9

General

Target

#300002311PDF.exe
Size

678KB
MD5

9176a5355a0960cf320fcd1a8d434a28
SHA1

cbc04a4f98504f96d99dc25a61ab519efabff736
SHA256

068e2be03e22687430eff635ad02df7c819f320888095cf4879802cfdbd83353
SHA512

5b3603940e75e7de210a788c24cf802a2e8b1479a288c78c617eb36786ee3c125ad3b7ef3a8f7f14111ff32a972b2959d44a6eb5aeaf39f030e2b0b94f19a2ef

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
IZmBVEm3

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/2016-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2016-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2016-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2016-65-0x0000000000446B1E-mapping.dmp	family_agenttesla
behavioral1/memory/2016-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2016-69-0x0000000000400000-0x000000000044C000-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:

#300002311PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#300002311PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#300002311PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#300002311PDF.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

#300002311PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	#300002311PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

#300002311PDF.exe

description pid process target process

PID 1864 set thread context of 2016 1864 #300002311PDF.exe #300002311PDF.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

#300002311PDF.exe#300002311PDF.exe

pid process

1864 #300002311PDF.exe
1864 #300002311PDF.exe
1864 #300002311PDF.exe
1864 #300002311PDF.exe
2016 #300002311PDF.exe
2016 #300002311PDF.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

#300002311PDF.exe

pid process

2016 #300002311PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

#300002311PDF.exe#300002311PDF.exe

description pid process

Token: SeDebugPrivilege 1864 #300002311PDF.exe
Token: SeDebugPrivilege 2016 #300002311PDF.exe

description	pid	process	target process
PID 1864 set thread context of 2016	1864	#300002311PDF.exe	#300002311PDF.exe

pid	process
1864	#300002311PDF.exe
1864	#300002311PDF.exe
1864	#300002311PDF.exe
1864	#300002311PDF.exe
2016	#300002311PDF.exe
2016	#300002311PDF.exe

pid	process
2016	#300002311PDF.exe

description	pid	process
Token: SeDebugPrivilege	1864	#300002311PDF.exe
Token: SeDebugPrivilege	2016	#300002311PDF.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

#300002311PDF.exe

description	pid	process	target process
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe
PID 1864 wrote to memory of 2016	1864	#300002311PDF.exe	#300002311PDF.exe

outlook_office_path 1 IoCs

Processes:

#300002311PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#300002311PDF.exe

outlook_win_path 1 IoCs

Processes:

#300002311PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#300002311PDF.exe

C:\Users\Admin\AppData\Local\Temp\#300002311PDF.exe
"C:\Users\Admin\AppData\Local\Temp\#300002311PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Users\Admin\AppData\Local\Temp\#300002311PDF.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2016

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/1864-54-0x0000000000960000-0x0000000000A10000-memory.dmp

Filesize
704KB

Download
memory/1864-55-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1864-56-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/1864-57-0x0000000008070000-0x00000000080DE000-memory.dmp

Filesize
440KB

Download
memory/1864-58-0x00000000003D0000-0x0000000000426000-memory.dmp

Filesize
344KB

Download
memory/2016-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-65-0x0000000000446B1E-mapping.dmp

Download
memory/2016-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2016-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads