Malware Analysis Report

2024-10-19 06:56

Sample ID 240628-bg8bbssepa
Target 1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee.ps1
SHA256 1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee
Tags
execution asyncrat newjop rat
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

1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee

Threat Level: Known bad

The file 1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee.ps1 was found to be: Known bad.

Malicious Activity Summary

execution asyncrat newjop rat

AsyncRat

Detects file containing reversed ASEP Autorun registry keys

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Suspicious use of SetThreadContext

Command and Scripting Interpreter: PowerShell

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 01:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 01:08

Reported

2024-06-28 01:10

Platform

win7-20240611-en

Max time kernel

117s

Max time network

119s

Command Line

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee.ps1

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee.ps1

Network

N/A

Files

memory/2392-4-0x000007FEF57FE000-0x000007FEF57FF000-memory.dmp

memory/2392-5-0x000000001B7B0000-0x000000001BA92000-memory.dmp

memory/2392-7-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp

memory/2392-6-0x0000000002070000-0x0000000002078000-memory.dmp

memory/2392-9-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp

memory/2392-8-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp

memory/2392-10-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp

memory/2392-11-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp

memory/2392-12-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 01:08

Reported

2024-06-28 01:10

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

149s

Command Line

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee.ps1

Signatures

AsyncRat

rat asyncrat

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

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

Detects file containing reversed ASEP Autorun registry keys

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4972 set thread context of 3848 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee.ps1

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 backwork07.ddns.net udp
US 172.93.111.165:6666 backwork07.ddns.net tcp
US 8.8.8.8:53 165.111.93.172.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4972-0-0x00007FFDD4C93000-0x00007FFDD4C95000-memory.dmp

memory/4972-1-0x000001949ADF0000-0x000001949AE12000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_axo0vtwn.hxh.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4972-11-0x00007FFDD4C90000-0x00007FFDD5751000-memory.dmp

memory/4972-12-0x00007FFDD4C90000-0x00007FFDD5751000-memory.dmp

memory/4972-13-0x000001949AF60000-0x000001949AF7C000-memory.dmp

memory/3848-14-0x0000000000400000-0x0000000000416000-memory.dmp

memory/4972-17-0x00007FFDD4C90000-0x00007FFDD5751000-memory.dmp

memory/4972-18-0x00007FFDD4C90000-0x00007FFDD5751000-memory.dmp

memory/3848-19-0x00000000753EE000-0x00000000753EF000-memory.dmp

memory/3848-20-0x00000000753E0000-0x0000000075B90000-memory.dmp

memory/3848-21-0x0000000005D20000-0x00000000062C4000-memory.dmp

memory/3848-22-0x0000000005950000-0x00000000059E2000-memory.dmp

memory/3848-23-0x0000000005940000-0x000000000594A000-memory.dmp

memory/3848-26-0x00000000069B0000-0x0000000006A4C000-memory.dmp

memory/3848-27-0x0000000006A50000-0x0000000006AB6000-memory.dmp

memory/3848-28-0x00000000753EE000-0x00000000753EF000-memory.dmp

memory/3848-29-0x00000000753E0000-0x0000000075B90000-memory.dmp