Malware Analysis Report

2025-01-18 04:48

Sample ID 241029-qvjbpawbqm
Target 1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe
SHA256 5b0441fbb03237c5c83f302dc8e58e451b5e6ff9476ffb57102069161d391a8e
Tags
nyancatrevenge revengerat discovery
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 Overview

score
10/10

SHA256

5b0441fbb03237c5c83f302dc8e58e451b5e6ff9476ffb57102069161d391a8e

Threat Level: Known bad

The file 1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe was found to be: Known bad.

Malicious Activity Summary

nyancatrevenge revengerat discovery

Revengerat family

Deletes itself

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-29 13:34

Signatures

Revengerat family

revengerat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-29 13:34

Reported

2024-10-29 13:37

Platform

win7-20240708-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WScript.exe N/A

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\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WScript.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe

"C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\qbUcuLON.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.84.20:333 marcelotatuape.ddns.net tcp

Files

memory/2092-0-0x0000000074051000-0x0000000074052000-memory.dmp

memory/2092-1-0x0000000074050000-0x00000000745FB000-memory.dmp

memory/2092-2-0x0000000074050000-0x00000000745FB000-memory.dmp

memory/2092-3-0x0000000074050000-0x00000000745FB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\qbUcuLON.vbs

MD5 4e6a5451629d34d61f43f320adf29364
SHA1 f534fa53b3acf7d5f459042288f5dd8e157f1a94
SHA256 6c0fbefd874ab5c3e4ec8e91e861592fac9a743fa27db77e0571013b6170dbbc
SHA512 3b4108044db8cdc8f198fa7287452ba5cdd069ae5ce982cf041c2a77408efc70710b2d4fd0808053dd962b486c7776dcf31696fcc4bc917c5b1c12695435a9a5

memory/2092-8-0x0000000074050000-0x00000000745FB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-29 13:34

Reported

2024-10-29 13:37

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WScript.exe N/A

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\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WScript.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe

"C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\qVqDyMpz.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.84.20:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 20.84.52.177.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3528-0-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

memory/3528-1-0x0000000074FE0000-0x0000000075591000-memory.dmp

memory/3528-2-0x0000000074FE0000-0x0000000075591000-memory.dmp

memory/3528-3-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

memory/3528-4-0x0000000074FE0000-0x0000000075591000-memory.dmp

memory/3528-8-0x0000000074FE0000-0x0000000075591000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\qVqDyMpz.vbs

MD5 4e6a5451629d34d61f43f320adf29364
SHA1 f534fa53b3acf7d5f459042288f5dd8e157f1a94
SHA256 6c0fbefd874ab5c3e4ec8e91e861592fac9a743fa27db77e0571013b6170dbbc
SHA512 3b4108044db8cdc8f198fa7287452ba5cdd069ae5ce982cf041c2a77408efc70710b2d4fd0808053dd962b486c7776dcf31696fcc4bc917c5b1c12695435a9a5