agenttesla | 169c4a3f668ce8d737dd54f1ab2a920badc42832968e7987eb660319eb938259

General

Target

bill slip.exe
Size

775KB
MD5

b58f92af2dfcb2b3a68725af2bf950e3
SHA1

2a69c0a289d4f41d8ab2ed3b3ff9bb16e4cd2f6e
SHA256

169c4a3f668ce8d737dd54f1ab2a920badc42832968e7987eb660319eb938259
SHA512

c645108ee108f1cca6280b96d90cdeadc7cb11962fc2897c6d4708e37b4cb19411165f79693d0e2c9b76aed6264f97191601195208c392a7d098d7a65017770f
SSDEEP

24576:mqOufrq7x/7Tjd7Adn/HowKExFb0rb6usC+4qXdVJ:hFfCRlEVvowKELgZsC+4qXt

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.polorstar-th.com
Port:
587
Username:
[email protected]
Password:
blessing12345
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 820 set thread context of 1288	820	bill slip.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
820	bill slip.exe
820	bill slip.exe
1288	vbc.exe
1288	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	820	bill slip.exe
Token: SeDebugPrivilege	1288	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27
PID 820 wrote to memory of 1288	820	bill slip.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\bill slip.exe
"C:\Users\Admin\AppData\Local\Temp\bill slip.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/820-54-0x00000000001F0000-0x00000000002B8000-memory.dmp

Filesize
800KB

Download
memory/820-55-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/820-56-0x00000000006C0000-0x00000000006CC000-memory.dmp

Filesize
48KB

Download
memory/820-57-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/820-58-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/820-59-0x0000000005250000-0x00000000052D8000-memory.dmp

Filesize
544KB

Download
memory/820-60-0x0000000004900000-0x0000000004952000-memory.dmp

Filesize
328KB

Download
memory/1288-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1288-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1288-71-0x0000000005060000-0x00000000050A0000-memory.dmp

Filesize
256KB

Download
memory/1288-72-0x0000000005060000-0x00000000050A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing