Malware Analysis Report

2025-08-06 02:05

Sample ID 241027-e1sa1asjey
Target fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N
SHA256 fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317
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

fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317

Threat Level: Known bad

The file fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N was found to be: Known bad.

Malicious Activity Summary

upx xmrig discovery miner

Xmrig family

xmrig

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 UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 04:24

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 04:24

Reported

2024-10-27 04:26

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.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
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\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.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
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\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

"C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe"

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

Network

N/A

Files

memory/2560-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/2560-1-0x0000000000120000-0x00000000001E4000-memory.dmp

memory/2560-2-0x0000000000400000-0x0000000000593000-memory.dmp

memory/1940-17-0x0000000000400000-0x0000000000712000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

MD5 6e3516e0aea93f22bcef47962cd9cdfc
SHA1 c6d3b0334ebf2108992e37a2ede42a09f647c8c1
SHA256 9f68b6dcc8a119b41828e4e10ddb67279bbd7239fd8378c788d0169adffaaf62
SHA512 8225950b10e8fac6299e05a9fc588611d9bcfbf7c66f55a298dcdba9b07d07ed736c34b2b7ee14b4f197409840895a7dfd11d91f981b117f2daea5b7e601cf71

memory/2560-15-0x0000000003230000-0x0000000003542000-memory.dmp

memory/2560-14-0x0000000000400000-0x0000000000593000-memory.dmp

memory/1940-18-0x0000000000320000-0x00000000003E4000-memory.dmp

memory/1940-19-0x0000000000400000-0x0000000000593000-memory.dmp

memory/1940-35-0x0000000000400000-0x0000000000587000-memory.dmp

memory/1940-33-0x0000000002FD0000-0x0000000003163000-memory.dmp

memory/1940-24-0x0000000000400000-0x0000000000587000-memory.dmp

memory/1940-34-0x00000000005A0000-0x000000000071F000-memory.dmp

memory/2560-36-0x0000000003230000-0x0000000003542000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 04:24

Reported

2024-10-27 04:26

Platform

win10v2004-20241007-en

Max time kernel

102s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.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\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.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\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

"C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe"

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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/2600-0-0x0000000000400000-0x0000000000712000-memory.dmp

memory/2600-1-0x0000000001A80000-0x0000000001B44000-memory.dmp

memory/2600-2-0x0000000000400000-0x0000000000593000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\fa50eb23ce1a8f46d2af042cf71b8e5a2094dd6aefad19948e875e359ae39317N.exe

MD5 ce09bedcd64c072c7194fa539e739cd0
SHA1 e750d0834e6eb4a5dca48670819210170a712f08
SHA256 b7b77eedec5533c4a080959301616095717c1c8304e5837b205a0e0ee855f427
SHA512 7b76befa6e23e24d30c363e9ead666ff9f350d414a0c808e9ccec246d894e612383f85aa35d9e290186900239d9ec586a640be035b5f37596ee9f977b347100f

memory/2600-12-0x0000000000400000-0x0000000000593000-memory.dmp

memory/2964-13-0x0000000000400000-0x0000000000712000-memory.dmp

memory/2964-15-0x0000000000400000-0x0000000000593000-memory.dmp

memory/2964-14-0x0000000001720000-0x00000000017E4000-memory.dmp

memory/2964-20-0x00000000053B0000-0x0000000005543000-memory.dmp

memory/2964-21-0x0000000000400000-0x0000000000587000-memory.dmp

memory/2964-30-0x0000000000400000-0x0000000000587000-memory.dmp