agenttesla | d91d2ae4ef54fa855e4b7a36c37717014e0195e815abb272045a25ce46dc66a6

Analysis

max time kernel
133s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
08/02/2023, 14:09

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General

Target
IV22200102 08-02-2023.exe
Size 568KB
Sample230208-rf4vhsag6w
SHA256 d91d2ae4ef54fa855e4b7a36c37717014e0195e815abb272045a25ce46dc66a6
MD5 b563e504169d51631afa24b9f9d622f7
SHA1 e8763489a312867eb8805867b46b39ae6d87dbff
SHA512 f50c11f60ade763f98983c09b1485d27f5ed274e7ea5e6e38c8a54f7ebcd90a4c758756fbe105996e6094e8c04b42d33cb4f794e241bd490c204263040cc7652
SSDEEP 12288:rW9Pb+HT0qE8S6S7ztLHKNu+A+/1bazhUBjqXn26AlFvL35IRN7Y:8b8vOztLHKNu+A+/1bazhUtc/Alli
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.emeraldstargroup.com
Port
587
Username
[email protected]
Password
W4AJ4H0F1J8K
Email to
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

flow	ioc
37	api.ipify.org
36	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4384 set thread context of 2728	4384	IV22200102 08-02-2023.exe	84

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4384	IV22200102 08-02-2023.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4384	IV22200102 08-02-2023.exe
Token: SeDebugPrivilege	2728	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84
PID 4384 wrote to memory of 2728	4384	IV22200102 08-02-2023.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\IV22200102 08-02-2023.exe
"C:\Users\Admin\AppData\Local\Temp\IV22200102 08-02-2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2728

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2728-138-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/2728-139-0x0000000005370000-0x00000000053D6000-memory.dmp

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memory/2728-140-0x0000000006D20000-0x0000000006D70000-memory.dmp

Download

memory/2728-141-0x0000000006F40000-0x0000000007102000-memory.dmp

Download

memory/4384-132-0x0000000000A90000-0x0000000000B24000-memory.dmp

Download

memory/4384-133-0x0000000005BB0000-0x0000000006154000-memory.dmp

Download

memory/4384-134-0x00000000054D0000-0x0000000005562000-memory.dmp

Download

memory/4384-135-0x0000000003170000-0x000000000317A000-memory.dmp

Download

memory/4384-136-0x00000000081D0000-0x000000000826C000-memory.dmp

Download