agenttesla | 463fe863a122df0881233e8c579f459a47e215021c11fed6c4d8412d40a13048

General

Target
PI No.358 - SPB ñ FCL.js
Size 1.9MB
Sample260625-mt2vvsbs3n
SHA256 463fe863a122df0881233e8c579f459a47e215021c11fed6c4d8412d40a13048
MD5 0a1e760ce8fe45cf1fd69f137f0fb1e1
SHA1 ed0197506702343ca20cc6f4b4253cb5194e376d
SHA512 b9a79f17fef828ddba4137f71e8d9016f6ff1dbd784b555d289428cc00e2a776cb76e3fa433a4b1f33c9e668f994dc10b9a0c5483896e89a333cc4fe69c585f4
SSDEEP 6144:2MlIoawbmL+/cT4G6kgQXo1Vv3sgYQ0hFq:2MlIojmL+/IH6kgQ41Vv3sgYQ0hFq
TLSH
T14D95E71AB7BC830E6828BE047EA16CC6B55D1A457FDB9512C07B9FCE0F2D6D09172329
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection defense_evasion execution agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.altatsradgez.com
Port
21
Username
[email protected]
Password
z_(dO-lLu=10B{=f

Signatures

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

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
11	2440	powershell.exe
13	2440	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2440	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation	wscript.exe

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Environment\UserInitMprLogonScript = "wscript.exe \"C:\\Users\\Admin\\AppData\\Local\\v4366\\v3961.js\""	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	powershell.exe

Hide Artifacts: Hidden Window 1 TTPs 1 IoCs

Windows that would typically be displayed when an application carries out an operation can be hidden.

defense_evasion

Hidden Window

T1564.003

pid	Process
4548	conhost.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
12	ip-api.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2440	powershell.exe
2440	powershell.exe
2440	powershell.exe
2440	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 4548	4728	wscript.exe	86
PID 4548 wrote to memory of 2440	4548	conhost.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	powershell.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\PI No.358 - SPB ñ FCL.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" --headless powershell.exe -WindowStyle Hidden -W h -Nop -NoNI -Command "&([scriptblock]::Create($env:nAQC35cJZa59U))"
  2⤵
  - Hide Artifacts: Hidden Window
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -WindowStyle Hidden -W h -Nop -NoNI -Command &([scriptblock]::Create($env:nAQC35cJZa59U))
    3⤵
    - Badlisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Registers new Windows logon scripts automatically executed at logon.
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    PID:2440

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Privilege Escalation

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Window

1

T1564.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_tqjqa3o0.yss.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tqjqa3o0.yss.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2440-0-0x000002A4B5640000-0x000002A4B5650000-memory.dmp

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memory/2440-1-0x000002A4B5640000-0x000002A4B5650000-memory.dmp

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memory/2440-9-0x000002A4B7A30000-0x000002A4B7A52000-memory.dmp

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memory/2440-10-0x000002A4B7AA0000-0x000002A4B7AFE000-memory.dmp

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memory/2440-11-0x000002A4B7680000-0x000002A4B7692000-memory.dmp

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memory/2440-14-0x000002A4B81F0000-0x000002A4B8232000-memory.dmp

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memory/2440-15-0x000002A4B5640000-0x000002A4B5650000-memory.dmp

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memory/2440-16-0x000002A4B5640000-0x000002A4B5650000-memory.dmp

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memory/2440-17-0x000002A4B57B0000-0x000002A4B5800000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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