Malware Analysis Report

2024-11-15 06:33

Sample ID 241111-bwr8naynaw
Target 7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577
SHA256 7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577
Tags
blackguard discovery stealer
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

7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577

Threat Level: Known bad

The file 7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577 was found to be: Known bad.

Malicious Activity Summary

blackguard discovery stealer

Blackguard family

BlackGuard

Loads dropped DLL

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 01:30

Signatures

Blackguard family

blackguard

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 01:30

Reported

2024-11-11 01:32

Platform

win7-20241010-en

Max time kernel

13s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe"

Signatures

BlackGuard

stealer blackguard

Blackguard family

blackguard

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\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe

"C:\Users\Admin\AppData\Local\Temp\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 804

Network

N/A

Files

memory/3016-0-0x000000007437E000-0x000000007437F000-memory.dmp

memory/3016-1-0x0000000001030000-0x000000000132C000-memory.dmp

\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\inputmanager.dll

MD5 1fd7368d50298c9afe6c12e74ac19589
SHA1 3a1ab4d3e2a14854b9e17af5f55d60a9c62a72cc
SHA256 1a6dd2f79674f2334fca758da41d22045c47332683d7079fae2925d58b61efff
SHA512 c3a45aa0e3fca5e43534e961bf49df8513da0a2edbf9580e8a572d0e4ad51623b9253bf095d37f620a16b8204336eced37e7896482dfc7bd11f9391b45c65c7c

\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\naudio.dll

MD5 047bca47d9d12191811fb2e87cded3aa
SHA1 afdc5d27fb919d1d813e6a07466f889dbc8c6677
SHA256 bc4bacc3b8b28d898f1671b79f216cca439f95eb60cd32d3e3ecafbecac42780
SHA512 99505644d42e4c60c977e4144165ea9dea8f1301e6456aa809e046ecc84a3813a190ce65169a6ffef5a36ad3541ec91002615a02933f8deb642aa3f8f3b11f2f

\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\newtonsoft.json.dll

MD5 6815034209687816d8cf401877ec8133
SHA1 1248142eb45eed3beb0d9a2d3b8bed5fe2569b10
SHA256 7f912b28a07c226e0be3acfb2f57f050538aba0100fa1f0bf2c39f1a1f1da814
SHA512 3398094ce429ab5dcdecf2ad04803230669bb4accaef7083992e9b87afac55841ba8def2a5168358bd17e60799e55d076b0e5ca44c86b9e6c91150d3dc37c721

\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\simplewpf.dll

MD5 6949b56eefede827d7a82acef8ea303e
SHA1 dccec3108c724a477154099cb970d1a6cbc6f0f5
SHA256 108992c9d8aae7ca7db8db951d240b86ae3be26fb06cc2813b629db59cd80d7f
SHA512 43d3413789415cad525e97441154067a858d0a28f1eb9939c2938e838f0d91a169a11875ab65d17eb642df437e480c3afc74d7e3d3f468d5bd4b0f3eb7f9926e

\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\smartthreadpool.dll

MD5 05fc040e25e3ee6fe1bc1978deadd87a
SHA1 86c9656fe1269e571ee87f183cfc637f583efd92
SHA256 f2b5bc27ee17c866e1e897fd3869227bdc41d3931da77fab2e48bd4d490b8ab7
SHA512 fd7d0969b20fece2561b22ce1c96a56636cbb51de76e1fa7eb50f0cf8035eecb84bab9b134266c71895356cd7cea869f7b6d49cc71728341e4e83c696000968d

memory/3016-24-0x0000000074370000-0x0000000074A5E000-memory.dmp

memory/3016-28-0x00000000007D0000-0x00000000007DC000-memory.dmp

memory/3016-31-0x0000000074370000-0x0000000074A5E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 01:30

Reported

2024-11-11 01:32

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe"

Signatures

BlackGuard

stealer blackguard

Blackguard family

blackguard

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\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe

"C:\Users\Admin\AppData\Local\Temp\7684bd825a96858669a41fd1017a1697a5b031d56bc2a3add52ca70c87ecb577.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 1256

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp

Files

memory/4324-0-0x000000007466E000-0x000000007466F000-memory.dmp

memory/4324-1-0x0000000000CE0000-0x0000000000FDC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\inputmanager.dll

MD5 1fd7368d50298c9afe6c12e74ac19589
SHA1 3a1ab4d3e2a14854b9e17af5f55d60a9c62a72cc
SHA256 1a6dd2f79674f2334fca758da41d22045c47332683d7079fae2925d58b61efff
SHA512 c3a45aa0e3fca5e43534e961bf49df8513da0a2edbf9580e8a572d0e4ad51623b9253bf095d37f620a16b8204336eced37e7896482dfc7bd11f9391b45c65c7c

C:\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\naudio.dll

MD5 047bca47d9d12191811fb2e87cded3aa
SHA1 afdc5d27fb919d1d813e6a07466f889dbc8c6677
SHA256 bc4bacc3b8b28d898f1671b79f216cca439f95eb60cd32d3e3ecafbecac42780
SHA512 99505644d42e4c60c977e4144165ea9dea8f1301e6456aa809e046ecc84a3813a190ce65169a6ffef5a36ad3541ec91002615a02933f8deb642aa3f8f3b11f2f

C:\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\newtonsoft.json.dll

MD5 6815034209687816d8cf401877ec8133
SHA1 1248142eb45eed3beb0d9a2d3b8bed5fe2569b10
SHA256 7f912b28a07c226e0be3acfb2f57f050538aba0100fa1f0bf2c39f1a1f1da814
SHA512 3398094ce429ab5dcdecf2ad04803230669bb4accaef7083992e9b87afac55841ba8def2a5168358bd17e60799e55d076b0e5ca44c86b9e6c91150d3dc37c721

C:\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\smartthreadpool.dll

MD5 05fc040e25e3ee6fe1bc1978deadd87a
SHA1 86c9656fe1269e571ee87f183cfc637f583efd92
SHA256 f2b5bc27ee17c866e1e897fd3869227bdc41d3931da77fab2e48bd4d490b8ab7
SHA512 fd7d0969b20fece2561b22ce1c96a56636cbb51de76e1fa7eb50f0cf8035eecb84bab9b134266c71895356cd7cea869f7b6d49cc71728341e4e83c696000968d

C:\Users\Admin\AppData\Local\Temp\Costura\2DBAF1FEDF7B704159B7F064EF200FB9\simplewpf.dll

MD5 6949b56eefede827d7a82acef8ea303e
SHA1 dccec3108c724a477154099cb970d1a6cbc6f0f5
SHA256 108992c9d8aae7ca7db8db951d240b86ae3be26fb06cc2813b629db59cd80d7f
SHA512 43d3413789415cad525e97441154067a858d0a28f1eb9939c2938e838f0d91a169a11875ab65d17eb642df437e480c3afc74d7e3d3f468d5bd4b0f3eb7f9926e

memory/4324-29-0x0000000074660000-0x0000000074E10000-memory.dmp

memory/4324-33-0x0000000005FD0000-0x0000000005FDC000-memory.dmp

memory/4324-36-0x0000000074660000-0x0000000074E10000-memory.dmp