Malware Analysis Report

2025-08-05 11:15

Sample ID 241027-rbmensygnq
Target 78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N
SHA256 78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165
Tags
upx xmrig discovery miner
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

78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165

Threat Level: Known bad

The file 78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N was found to be: Known bad.

Malicious Activity Summary

upx xmrig discovery miner

xmrig

Xmrig family

XMRig Miner payload

Executes dropped EXE

Loads dropped DLL

Deletes itself

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 14:01

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 14:01

Reported

2024-10-27 14:03

Platform

win7-20241023-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe"

Signatures

Xmrig family

xmrig

xmrig

miner xmrig

XMRig Miner payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A

UPX packed file

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

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\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

"C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe"

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

Network

N/A

Files

memory/2160-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/2160-1-0x0000000000400000-0x0000000000593000-memory.dmp

memory/2160-3-0x00000000018B0000-0x0000000001974000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

MD5 92271f4a695cee1fa3e792c5f99595bd
SHA1 15c774ba7b56d2230e3c1ea207508d1e90f71abd
SHA256 ea7c53daad6f0d39611270c9b72dddcd4f38907a2a71e58f735ad8b75521dfb0
SHA512 394d5115f2c9a72ed37f6a75a868ec34af11b5ef877668988c1156f62d208b179c4be6692ab3c677fc2f0a34df0d7140ac3e2d9e6d6ba15ee5551f56a5aca4cf

memory/2160-15-0x0000000000400000-0x0000000000593000-memory.dmp

memory/2160-14-0x00000000032C0000-0x00000000035D2000-memory.dmp

memory/2476-17-0x0000000000330000-0x00000000003F4000-memory.dmp

memory/2476-18-0x0000000000400000-0x0000000000593000-memory.dmp

memory/2476-33-0x00000000005A0000-0x000000000071F000-memory.dmp

memory/2476-34-0x0000000000400000-0x0000000000587000-memory.dmp

memory/2476-23-0x0000000000400000-0x0000000000587000-memory.dmp

memory/2476-32-0x0000000003000000-0x0000000003193000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 14:01

Reported

2024-10-27 14:03

Platform

win10v2004-20241007-en

Max time kernel

102s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe"

Signatures

Xmrig family

xmrig

xmrig

miner xmrig

XMRig Miner payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A

UPX packed file

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

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\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

"C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe"

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

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 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

memory/2276-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/2276-1-0x0000000001A90000-0x0000000001B54000-memory.dmp

memory/2276-2-0x0000000000400000-0x0000000000593000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\78ff0c941f7082d0d9b761994c894805fe5c056466a46057718e3c8ea9dc5165N.exe

MD5 5de8c72a57eea6dc3e0528fa11f856f6
SHA1 f81a6f9757486f1757d2ae0e0db8e31ada2bf6bb
SHA256 738ea20da1e36b115b87bbab5c13e4276f10cf190cbb5a7362b2dc339a7f7a29
SHA512 dab647c5133a7c2c8cdd1030f1b063d02e8fcf4016811506b098118d9a00370a19257d7df95274b5150e47fb8340f9431081613c109b58372093ca2a3de565ab

memory/3264-13-0x0000000000400000-0x0000000000712000-memory.dmp

memory/2276-12-0x0000000000400000-0x0000000000593000-memory.dmp

memory/3264-14-0x00000000019B0000-0x0000000001A74000-memory.dmp

memory/3264-15-0x0000000000400000-0x0000000000593000-memory.dmp

memory/3264-20-0x0000000000400000-0x0000000000587000-memory.dmp

memory/3264-29-0x00000000053A0000-0x0000000005533000-memory.dmp

memory/3264-30-0x0000000000400000-0x0000000000587000-memory.dmp