Malware Analysis Report

2025-08-10 22:40

Sample ID 250127-scjkvatndz
Target bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe
SHA256 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2
Tags
upx discovery
score
7/10

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
7/10

SHA256

bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2

Threat Level: Shows suspicious behavior

The file bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Deletes itself

Loads dropped DLL

Executes dropped EXE

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

2025-01-27 14:58

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

2025-01-27 14:58

Reported

2025-01-27 15:00

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.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\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

"C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe"

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

Network

N/A

Files

memory/2524-0-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2524-1-0x0000000000030000-0x000000000003F000-memory.dmp

memory/2524-2-0x0000000000400000-0x000000000041D000-memory.dmp

\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

MD5 d1ce7f9edd06da397a97d630de57a684
SHA1 18fb7b4d337b85236cd24b43d65ad7abedb5f42c
SHA256 e5258bea6fc80b73afc623f068938de5457dd95cb63c569f4c0723f3ab90942d
SHA512 063ce00003fccb2f60d313c02e9ebf69685e9575be4f98a7fbe1d26fffab45288aeac2db8d2ba0e1618b3f801af6401fe75d5aacb1beb27134f96c8b62d9a8da

memory/2524-12-0x0000000000160000-0x000000000019D000-memory.dmp

memory/2524-16-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1928-17-0x0000000000030000-0x000000000003F000-memory.dmp

memory/1928-18-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1928-23-0x0000000000400000-0x000000000040E000-memory.dmp

memory/1928-28-0x0000000000180000-0x000000000019D000-memory.dmp

memory/1928-29-0x0000000000400000-0x000000000043D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 14:58

Reported

2025-01-27 15:00

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.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\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

"C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe"

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4740-0-0x0000000000400000-0x000000000043D000-memory.dmp

memory/4740-1-0x00000000001C0000-0x00000000001CF000-memory.dmp

memory/4740-3-0x0000000000400000-0x000000000041D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe

MD5 c9fc0bbcc2c440869a2bab0b3f5ecd75
SHA1 03760e81f323ccd0de849c6f81d46bc903e0fa5e
SHA256 8c4b2ca129ec5660282eb329c98b42b27c114fc4b34c65b6e6f0d2adaea929fc
SHA512 14aee23142b7f3edf71f2cdb263cacd59dd8e04306f61ffc5d1d82a28443f8b825b499294e6ffb2db63f330d29dc6f10648318c07e6606eee7d780bc5cc0c524

memory/4740-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2228-13-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2228-14-0x0000000000190000-0x000000000019F000-memory.dmp

memory/2228-16-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2228-20-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2228-25-0x0000000004D60000-0x0000000004D7D000-memory.dmp

memory/2228-26-0x0000000000400000-0x000000000043D000-memory.dmp