Malware Analysis Report

2025-01-18 04:48

Sample ID 241029-qmwxtawbkf
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

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-29 13:25

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 13:23

Reported

2024-10-29 13:31

Platform

win7-20240708-en

Max time kernel

38s

Max time network

126s

Command Line

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

Signatures

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\WScript.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\1730208185981162f0ff5b68b4d0ac7ca5d90fc05eb58d07e41b2c2b83b4b4bff49be540b5107.dat-decoded.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 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\RawrHJf.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
BR 177.52.84.20:333 marcelotatuape.ddns.net tcp
BR 177.52.84.20:333 marcelotatuape.ddns.net tcp

Files

memory/2432-0-0x0000000074301000-0x0000000074302000-memory.dmp

memory/2432-1-0x0000000074300000-0x00000000748AB000-memory.dmp

memory/2432-2-0x0000000074300000-0x00000000748AB000-memory.dmp

memory/2432-3-0x0000000074300000-0x00000000748AB000-memory.dmp

memory/2432-4-0x0000000074300000-0x00000000748AB000-memory.dmp

memory/2432-9-0x0000000074300000-0x00000000748AB000-memory.dmp

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

MD5 4e6a5451629d34d61f43f320adf29364
SHA1 f534fa53b3acf7d5f459042288f5dd8e157f1a94
SHA256 6c0fbefd874ab5c3e4ec8e91e861592fac9a743fa27db77e0571013b6170dbbc
SHA512 3b4108044db8cdc8f198fa7287452ba5cdd069ae5ce982cf041c2a77408efc70710b2d4fd0808053dd962b486c7776dcf31696fcc4bc917c5b1c12695435a9a5

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-29 13:23

Reported

2024-10-29 13:31

Platform

win10v2004-20241007-en

Max time kernel

52s

Max time network

100s

Command Line

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

Signatures

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

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

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\aRvZwfR.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 20.84.52.177.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
BR 177.52.84.20:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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/4380-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

memory/4380-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4380-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4380-3-0x00000000749D2000-0x00000000749D3000-memory.dmp

memory/4380-4-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4380-9-0x00000000749D0000-0x0000000074F81000-memory.dmp

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

MD5 4e6a5451629d34d61f43f320adf29364
SHA1 f534fa53b3acf7d5f459042288f5dd8e157f1a94
SHA256 6c0fbefd874ab5c3e4ec8e91e861592fac9a743fa27db77e0571013b6170dbbc
SHA512 3b4108044db8cdc8f198fa7287452ba5cdd069ae5ce982cf041c2a77408efc70710b2d4fd0808053dd962b486c7776dcf31696fcc4bc917c5b1c12695435a9a5