Malware Analysis Report

2025-04-13 12:36

Sample ID 240803-bkpy6asdpe
Target 03082024_0112_08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA.zip
SHA256 27164ab014dd29fe1a866da3871a93b423e2a91a41bdea14f1694034474ab524
Tags
asyncrat default discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

27164ab014dd29fe1a866da3871a93b423e2a91a41bdea14f1694034474ab524

Threat Level: Known bad

The file 03082024_0112_08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA.zip was found to be: Known bad.

Malicious Activity Summary

asyncrat default discovery rat

AsyncRat

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 01:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 01:12

Reported

2024-08-03 01:15

Platform

win7-20240729-en

Max time kernel

137s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe"

Signatures

AsyncRat

rat asyncrat

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2296 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe C:\Windows\SysWOW64\cmd.exe
PID 2296 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe C:\Windows\SysWOW64\cmd.exe
PID 2296 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe C:\Windows\SysWOW64\cmd.exe
PID 2296 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe C:\Windows\SysWOW64\cmd.exe
PID 2296 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe C:\Windows\SysWOW64\cmd.exe
PID 2756 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 2756 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 2756 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 2756 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 2756 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 2756 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe

"C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 remotald.duckdns.org udp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
US 8.8.8.8:53 remotald.duckdns.org udp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
CO 179.14.8.189:8808 remotald.duckdns.org tcp

Files

memory/2296-0-0x00000000003F0000-0x00000000003F1000-memory.dmp

memory/2296-1-0x0000000004A30000-0x0000000004B46000-memory.dmp

memory/2296-2-0x00000000745F0000-0x0000000074764000-memory.dmp

memory/2296-3-0x0000000077200000-0x00000000773A9000-memory.dmp

memory/2296-10-0x0000000004A30000-0x0000000004B46000-memory.dmp

memory/2296-9-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2296-7-0x00000000745F0000-0x0000000074764000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ba01c581

MD5 c400b56c0e6e96072a1f5f436f6a6e52
SHA1 620561f3722d475f423479da70f97425d96f8ab3
SHA256 6e7f09fb11b1ee65fcfd39b919fc8360d429d93664f8c575f089b43eca6212c4
SHA512 0688c76b4c8b1d0a8a9294a736600f3101711bfdcb93ab509fcb85402423f26ae9df8d224598810ba164976a51f89ea4c710335829ed7f76420dd2ae23755129

memory/2756-12-0x0000000077200000-0x00000000773A9000-memory.dmp

memory/2756-57-0x00000000745F0000-0x0000000074764000-memory.dmp

memory/2224-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2224-61-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2224-59-0x0000000072780000-0x00000000737E2000-memory.dmp

memory/2224-62-0x0000000000400000-0x0000000000416000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 01:12

Reported

2024-08-03 01:15

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe"

Signatures

AsyncRat

rat asyncrat

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe

"C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\04 CITACION DEMANDA.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 remotald.duckdns.org udp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 remotald.duckdns.org udp
CO 179.14.8.189:8808 remotald.duckdns.org tcp
CO 179.14.8.189:8808 remotald.duckdns.org tcp

Files

memory/4472-0-0x0000000003FC0000-0x0000000003FC1000-memory.dmp

memory/4472-1-0x0000000004050000-0x0000000004166000-memory.dmp

memory/4472-2-0x0000000075190000-0x000000007530B000-memory.dmp

memory/4472-3-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp

memory/4472-7-0x00000000751A3000-0x00000000751A5000-memory.dmp

memory/4472-8-0x0000000075190000-0x000000007530B000-memory.dmp

memory/4472-9-0x0000000075190000-0x000000007530B000-memory.dmp

memory/1640-13-0x0000000075190000-0x000000007530B000-memory.dmp

memory/4472-12-0x0000000004050000-0x0000000004166000-memory.dmp

memory/4472-11-0x0000000000400000-0x000000000080F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\f0d192b7

MD5 0850cff29b8913a5e8d5e90879b2cc70
SHA1 1e0165ae633b64d00ecbe3012421040ccb36c505
SHA256 ef3eb4f1842538cdb11dbe203e2a5c475641f9c25c17c5c9a509557f08b43148
SHA512 503d03f70828090c7b205d1736fcc1e96c0f061d669ddc1c94b8352c09b3ccadf5599eeb0c64b7e79625a9a353a276700a501d3ad99c0aac05458fa2b9fca083

memory/1640-15-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp

memory/1640-17-0x0000000075190000-0x000000007530B000-memory.dmp

memory/1640-18-0x0000000075190000-0x000000007530B000-memory.dmp

memory/1640-21-0x0000000075190000-0x000000007530B000-memory.dmp

memory/752-20-0x0000000073650000-0x00000000748A4000-memory.dmp

memory/752-24-0x0000000072EAE000-0x0000000072EAF000-memory.dmp

memory/752-25-0x0000000000570000-0x0000000000586000-memory.dmp

memory/752-26-0x0000000072EA0000-0x0000000073650000-memory.dmp

memory/752-27-0x0000000005340000-0x00000000058E4000-memory.dmp

memory/752-28-0x0000000004F70000-0x0000000005002000-memory.dmp

memory/752-29-0x0000000004F60000-0x0000000004F6A000-memory.dmp

memory/752-30-0x0000000072EAE000-0x0000000072EAF000-memory.dmp

memory/752-31-0x0000000072EA0000-0x0000000073650000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-08-03 01:12

Reported

2024-08-03 01:15

Platform

win7-20240705-en

Max time kernel

120s

Max time network

121s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\ProductStatistics3.dll",#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\ProductStatistics3.dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\ProductStatistics3.dll",#1

Network

N/A

Files

memory/2912-0-0x0000000000C60000-0x0000000000D76000-memory.dmp

memory/2912-1-0x0000000000C60000-0x0000000000D76000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-08-03 01:12

Reported

2024-08-03 01:15

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

127s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\ProductStatistics3.dll",#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1128 wrote to memory of 4860 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1128 wrote to memory of 4860 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1128 wrote to memory of 4860 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\ProductStatistics3.dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\08-CITACION DEMANDA-JUZGADO PENAL 09- RAMA JUDICIAL ESPECIALIZADA\ProductStatistics3.dll",#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4860-0-0x0000000002530000-0x0000000002646000-memory.dmp

memory/4860-1-0x0000000002530000-0x0000000002646000-memory.dmp