Malware Analysis Report

2025-01-18 04:12

Sample ID 241030-atb8zssgld
Target Spoofers.7z
SHA256 4fa37e700c2b9ee257995cc82ad1f02b02bf5b031a5fda15ff34277c82239d8a
Tags
office04 blankgrabber quasar upx discovery execution spyware trojan
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4fa37e700c2b9ee257995cc82ad1f02b02bf5b031a5fda15ff34277c82239d8a

Threat Level: Known bad

The file Spoofers.7z was found to be: Known bad.

Malicious Activity Summary

office04 blankgrabber quasar upx discovery execution spyware trojan

A stealer written in Python and packaged with Pyinstaller

Quasar RAT

Blankgrabber family

Quasar family

Quasar payload

Command and Scripting Interpreter: PowerShell

Loads dropped DLL

Executes dropped EXE

Looks up external IP address via web service

UPX packed file

Enumerates processes with tasklist

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 00:29

Signatures

A stealer written in Python and packaged with Pyinstaller

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

Blankgrabber family

blankgrabber

Quasar family

quasar

Quasar payload

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

2024-10-30 00:29

Reported

2024-10-30 00:32

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe"

Signatures

Loads dropped DLL

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

Processes

C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe

"C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe"

C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe

"C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\_MEI23002\python312.dll

MD5 eb02b8268d6ea28db0ea71bfe24b15d6
SHA1 86f723fcc4583d7d2bd59ca2749d4b3952cd65a5
SHA256 80222651a93099a906be55044024d32e93b841c83554359d6e605d50d11e2e70
SHA512 693bbc3c896ad3c6044c832597f946c778e6c6192def3d662803e330209ec1c68d8d33bd82978279ae66b264a892a366183dcef9a3a777e0a6ee450a928268e2

memory/2780-23-0x000007FEF5550000-0x000007FEF5C15000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 00:29

Reported

2024-10-30 00:32

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe"

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
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates processes with tasklist

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\tasklist.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
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
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
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
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
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
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

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\system32\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\WMIC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1100 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe
PID 1100 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe
PID 4852 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 3944 wrote to memory of 2812 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3944 wrote to memory of 2812 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2408 wrote to memory of 1800 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 2408 wrote to memory of 1800 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 4416 wrote to memory of 3208 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\mshta.exe
PID 4416 wrote to memory of 3208 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\mshta.exe
PID 3976 wrote to memory of 1480 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3976 wrote to memory of 1480 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4852 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 4852 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe C:\Windows\system32\cmd.exe
PID 2644 wrote to memory of 392 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2644 wrote to memory of 392 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe

"C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe"

C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe

"C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe'"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "mshta "javascript:var sh=new ActiveXObject('WScript.Shell'); sh.Popup('successfully cleaned', 0, 'cleaner', 48+16);close()""

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"

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

powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Spoofers\Cleaner.exe'

C:\Windows\system32\tasklist.exe

tasklist /FO LIST

C:\Windows\system32\mshta.exe

mshta "javascript:var sh=new ActiveXObject('WScript.Shell'); sh.Popup('successfully cleaned', 0, 'cleaner', 48+16);close()"

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

powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"

C:\Windows\System32\Wbem\WMIC.exe

wmic csproduct get uuid

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 blank-xyij4.in udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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

Files

C:\Users\Admin\AppData\Local\Temp\_MEI11002\python312.dll

MD5 eb02b8268d6ea28db0ea71bfe24b15d6
SHA1 86f723fcc4583d7d2bd59ca2749d4b3952cd65a5
SHA256 80222651a93099a906be55044024d32e93b841c83554359d6e605d50d11e2e70
SHA512 693bbc3c896ad3c6044c832597f946c778e6c6192def3d662803e330209ec1c68d8d33bd82978279ae66b264a892a366183dcef9a3a777e0a6ee450a928268e2

C:\Users\Admin\AppData\Local\Temp\_MEI11002\VCRUNTIME140.dll

MD5 be8dbe2dc77ebe7f88f910c61aec691a
SHA1 a19f08bb2b1c1de5bb61daf9f2304531321e0e40
SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
SHA512 0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

memory/4852-25-0x00007FFDBECA0000-0x00007FFDBF365000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI11002\base_library.zip

MD5 242a4d3404414a9e8ed1ca1a72e8039c
SHA1 b1fd68d13cc6d5b97dc3ea8e2be1144ea2c3ed50
SHA256 cb98f93ede1f6825699ef6e5f11a65b00cdbc9fdfb34f7209b529a6e43e0402d
SHA512 cca8e18cc41300e204aee9e44d68ffe9808679b7dbf3bec9b3885257cadccff1df22a3519cc8db3b3c557653c98bac693bf89a1e6314ef0e0663c76be2bf8626

C:\Users\Admin\AppData\Local\Temp\_MEI11002\libffi-8.dll

MD5 08b000c3d990bc018fcb91a1e175e06e
SHA1 bd0ce09bb3414d11c91316113c2becfff0862d0d
SHA256 135c772b42ba6353757a4d076ce03dbf792456143b42d25a62066da46144fece
SHA512 8820d297aeda5a5ebe1306e7664f7a95421751db60d71dc20da251bcdfdc73f3fd0b22546bd62e62d7aa44dfe702e4032fe78802fb16ee6c2583d65abc891cbf

C:\Users\Admin\AppData\Local\Temp\_MEI11002\blank.aes

MD5 febe7f583d8a00d10d03b7eeabeb0f89
SHA1 0462c069249240aea09799f0b5306b9cecdb11e0
SHA256 4cc9dbca92848a67b0d4cb0b7f7a97b7176bc364fc44470700eff40f499a2d6a
SHA512 46debbd4f755456f23f9cd1b3bf02a67395b02f488b18e863171d5c85218f11fa8960e05974c6956230d924bd722d4173121815b5a654fcf7ffd00e764c8b57b

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_ssl.pyd

MD5 e33bf2bc6c19bf37c3cc8bac6843d886
SHA1 6701a61d74f50213b141861cfd169452dde22655
SHA256 e3532d3f8c5e54371f827b9e6d0fee175ad0b2b17e25c26fdfb4efd5126b7288
SHA512 3526bcb97ad34f2e0c6894ee4cd6a945116f8af5c20c5807b9be877eb6ea9f20e571610d30d3e3b7391b23ddcd407912232796794277a3c4545cbcb2c5f8ed6f

memory/4852-48-0x00007FFDD6BA0000-0x00007FFDD6BAF000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_sqlite3.pyd

MD5 5f31f58583d2d1f7cb54db8c777d2b1e
SHA1 494587d2b9e993f2e5398d1c745732ef950e43b6
SHA256 fad9ffcd3002cec44c3da9d7d48ce890d6697c0384b4c7dacab032b42a5ac186
SHA512 8a4ec67d7ad552e8adea629151665f6832fc77c5d224e0eefe90e3aec62364a7c3d7d379a6d7b91de0f9e48af14f166e3b156b4994afe7879328e0796201c8ea

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_socket.pyd

MD5 da0dc29c413dfb5646d3d0818d875571
SHA1 adcd7ecd1581bcd0da48bd7a34feccada0b015d6
SHA256 c3365ad1fee140b4246f06de805422762358a782757b308f796e302fe0f5aaf8
SHA512 17a0c09e2e18a984fd8fc4861397a5bd4692bcd3b66679255d74bb200ee9258fb4677b36d1eaa4bd650d84e54d18b8d95a05b34d0484bd9d8a2b6ab36ffffcdb

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_queue.pyd

MD5 326e66d3cf98d0fa1db2e4c9f1d73e31
SHA1 6ace1304d4cb62d107333c3274e6246136ab2305
SHA256 bf6a8c5872d995edab5918491fa8721e7d1b730f66c8404ee760c1e30cb1f40e
SHA512 d7740693182040d469e93962792b3e706730c2f529ab39f7d9d7adab2e3805bb35d65dc8bb2bd264da9d946f08d9c8a563342d5cb5774d73709ae4c8a3de621c

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_lzma.pyd

MD5 bad668bbf4f0d15429f66865af4c117b
SHA1 2a85c44d2e6aa09ce6c11f2d548b068c20b7b7f8
SHA256 45b1fcdf4f3f97f9881aaa98b00046c4045b897f4095462c0bc4631dbadac486
SHA512 798470b87f5a91b9345092593fc40c08ab36f1684eee77654d4058b37b62b40ec0deb4ac36d9be3bb7f69adfdf207bf150820cdbc27f98b0fa718ec394da7c51

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_hashlib.pyd

MD5 3a4a3a99a4a4adaf60b9faaf6a3edbda
SHA1 a55ea560accd3b11700e2e2600dc1c6e08341e2f
SHA256 26eed7aac1c142a83a236c5b35523a0922f14d643f6025dc3886398126dae492
SHA512 cb7d298e5e55d2bf999160891d6239afdc15ada83cd90a54fda6060c91a4e402909a4623dcaa9a87990f2af84d6eb8a51e919c45060c5e90511cd4aadb1cdb36

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_decimal.pyd

MD5 b7012443c9c31ffd3aed70fe89aa82a0
SHA1 420511f6515139da1610de088eaaaf39b8aad987
SHA256 3b92d5ca6268a5ad0e92e5e403c621c56b17933def9d8c31e69ab520c30930d9
SHA512 ec422b0bee30fd0675d38888f056c50ca6955788d89c2a6448ddc30539656995627cf548e1b3aa2c4a77f2349b297c466af8942f8133ef4e2dfb706c8c1785e9

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_bz2.pyd

MD5 82e4f19c1e53ee3e46913d4df0550af7
SHA1 283741406ecf64ab64df1d6d46558edd1abe2b03
SHA256 78208da0890aafc68999c94ac52f1d5383ea75364eaf1a006d8b623abe0a6bf0
SHA512 3fd8377d5f365499944a336819684e858534c8a23b8b24882f441318ec305e444e09125a0c0aedc10e31dbf94db60b8e796b03b9e36adbad37ab19c7724f36ee

C:\Users\Admin\AppData\Local\Temp\_MEI11002\unicodedata.pyd

MD5 6dd43e115402d9e1c7cd6f21d47cfcf5
SHA1 c7fb8f33f25b0b75fc05ef0785622aa4ec09503c
SHA256 2a00f41bbc3680807042fc258f63519105220053fb2773e7d35480515fad9233
SHA512 72e266eb1ce5cbbcfd1d2a6f864538efd80b3ed844e003e2bd9566708fee0919447290a3b559ea27c32794f97a629a8fe8fc879654ffa609fca5c053dac70c69

C:\Users\Admin\AppData\Local\Temp\_MEI11002\sqlite3.dll

MD5 68b435a35f9dcbc10b3cd4b30977b0bd
SHA1 9726ef574ca9bda8ec9ab85a5b97adcdf148a41f
SHA256 240d6d3efac25af08fe41a60e181f8fdcb6f95da53b3fad54b0f96680e7a8277
SHA512 8e133b72bd3776f961258793c2b82d2cd536c7ae0ed0241daa2f67d90a6968f563b72f74a1c33d9bdfb821b796612faa7a73a712369ff3b36d968e57bfcdd793

C:\Users\Admin\AppData\Local\Temp\_MEI11002\select.pyd

MD5 33722c8cd45091d31aef81d8a1b72fa8
SHA1 e9043d440235d244ff9934e9694c5550cae2d5ab
SHA256 366fca0b27a34835129086c8cde1e75c309849e37091db4adeda1be508f2ee12
SHA512 74217abec2727baaa5138e1b1c4bac7d0ca574cf5a377396fc1ca0d3c07beb8aaa374e8060d2b5f707426312c11e0a34527ee0190e979e996f3b822efa24852f

C:\Users\Admin\AppData\Local\Temp\_MEI11002\rarreg.key

MD5 4531984cad7dacf24c086830068c4abe
SHA1 fa7c8c46677af01a83cf652ef30ba39b2aae14c3
SHA256 58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
SHA512 00056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122

C:\Users\Admin\AppData\Local\Temp\_MEI11002\rar.exe

MD5 9c223575ae5b9544bc3d69ac6364f75e
SHA1 8a1cb5ee02c742e937febc57609ac312247ba386
SHA256 90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
SHA512 57663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09

C:\Users\Admin\AppData\Local\Temp\_MEI11002\libssl-3.dll

MD5 264be59ff04e5dcd1d020f16aab3c8cb
SHA1 2d7e186c688b34fdb4c85a3fce0beff39b15d50e
SHA256 358b59da9580e7102adfc1be9400acea18bc49474db26f2f8bacb4b8839ce49d
SHA512 9abb96549724affb2e69e5cb2c834ecea3f882f2f7392f2f8811b8b0db57c5340ab21be60f1798c7ab05f93692eb0aeab077caf7e9b7bb278ad374ff3c52d248

C:\Users\Admin\AppData\Local\Temp\_MEI11002\libcrypto-3.dll

MD5 7f1b899d2015164ab951d04ebb91e9ac
SHA1 1223986c8a1cbb57ef1725175986e15018cc9eab
SHA256 41201d2f29cf3bc16bf32c8cecf3b89e82fec3e5572eb38a578ae0fb0c5a2986
SHA512 ca227b6f998cacca3eb6a8f18d63f8f18633ab4b8464fb8b47caa010687a64516181ad0701c794d6bfe3f153662ea94779b4f70a5a5a94bb3066d8a011b4310d

memory/4852-30-0x00007FFDD1890000-0x00007FFDD18B5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI11002\_ctypes.pyd

MD5 fa360b7044312e7404704e1a485876d2
SHA1 6ea4aad0692c016c6b2284db77d54d6d1fc63490
SHA256 f06c3491438f6685938789c319731ddf64ba1da02cd71f43ab8829af0e3f4e2f
SHA512 db853c338625f3e04b01b049b0cb22bdaed4e785eb43696aeda71b558f0f58113446a96a3e5356607335435ee8c78069ce8c1bcdb580d00fd4baacbec97a4b6a

memory/4852-54-0x00007FFDCE2B0000-0x00007FFDCE2DD000-memory.dmp

memory/4852-56-0x00007FFDD5B20000-0x00007FFDD5B3A000-memory.dmp

memory/4852-58-0x00007FFDCE280000-0x00007FFDCE2A4000-memory.dmp

memory/4852-60-0x00007FFDBE8D0000-0x00007FFDBEA4F000-memory.dmp

memory/4852-62-0x00007FFDCE190000-0x00007FFDCE1A9000-memory.dmp

memory/4852-64-0x00007FFDD19B0000-0x00007FFDD19BD000-memory.dmp

memory/4852-66-0x00007FFDCE010000-0x00007FFDCE043000-memory.dmp

memory/4852-72-0x0000029F49470000-0x0000029F49999000-memory.dmp

memory/4852-74-0x00007FFDD1890000-0x00007FFDD18B5000-memory.dmp

memory/4852-73-0x00007FFDBD950000-0x00007FFDBDE79000-memory.dmp

memory/4852-71-0x00007FFDCDF40000-0x00007FFDCE00D000-memory.dmp

memory/4852-70-0x00007FFDBECA0000-0x00007FFDBF365000-memory.dmp

memory/4852-76-0x00007FFDCDF20000-0x00007FFDCDF34000-memory.dmp

memory/4852-79-0x00007FFDCE6E0000-0x00007FFDCE6ED000-memory.dmp

memory/4852-78-0x00007FFDCE2B0000-0x00007FFDCE2DD000-memory.dmp

memory/4852-81-0x00007FFDBE180000-0x00007FFDBE29A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fbuyfpfr.4ns.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1480-87-0x0000016B42E30000-0x0000016B42E52000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

memory/4852-107-0x00007FFDCE280000-0x00007FFDCE2A4000-memory.dmp

memory/4852-108-0x00007FFDBECA0000-0x00007FFDBF365000-memory.dmp

memory/4852-123-0x00007FFDBD950000-0x00007FFDBDE79000-memory.dmp

memory/4852-128-0x00007FFDCE280000-0x00007FFDCE2A4000-memory.dmp

memory/4852-129-0x0000029F49470000-0x0000029F49999000-memory.dmp

memory/4852-127-0x00007FFDD5B20000-0x00007FFDD5B3A000-memory.dmp

memory/4852-126-0x00007FFDCE2B0000-0x00007FFDCE2DD000-memory.dmp

memory/4852-125-0x00007FFDD6BA0000-0x00007FFDD6BAF000-memory.dmp

memory/4852-124-0x00007FFDD1890000-0x00007FFDD18B5000-memory.dmp

memory/4852-122-0x00007FFDBE180000-0x00007FFDBE29A000-memory.dmp

memory/4852-121-0x00007FFDCE6E0000-0x00007FFDCE6ED000-memory.dmp

memory/4852-120-0x00007FFDCDF20000-0x00007FFDCDF34000-memory.dmp

memory/4852-118-0x00007FFDCDF40000-0x00007FFDCE00D000-memory.dmp

memory/4852-117-0x00007FFDCE010000-0x00007FFDCE043000-memory.dmp

memory/4852-116-0x00007FFDD19B0000-0x00007FFDD19BD000-memory.dmp

memory/4852-115-0x00007FFDCE190000-0x00007FFDCE1A9000-memory.dmp

memory/4852-114-0x00007FFDBE8D0000-0x00007FFDBEA4F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI11002\blank.aes

MD5 a9a06416d9ef35cdabd07f724e9fc398
SHA1 ee2154a0f608f9a748f6ed476a05815b02e5d633
SHA256 18eebece903d437c60e7515a52e50e98baf7c42ae8a14a958f1edeaa7ac015f0
SHA512 a45b5bab4e4486f82705109fbb607c906ea51b3b1ece8f5dcf560828dbb2f5b1ef2ad5febb55c5428c81e830b434b0a9e197f0f41f401de512cc91f1511673a7

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-30 00:29

Reported

2024-10-30 00:32

Platform

win7-20240708-en

Max time kernel

126s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe

"C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /create /tn "ahhaa" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /create /tn "ahhaa" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
N/A 192.168.1.28:4782 tcp
N/A 192.168.1.28:4782 tcp
N/A 192.168.1.28:4782 tcp
N/A 192.168.1.28:4782 tcp
N/A 192.168.1.28:4782 tcp
N/A 192.168.1.28:4782 tcp

Files

memory/2196-0-0x000007FEF4C83000-0x000007FEF4C84000-memory.dmp

memory/2196-1-0x0000000000FA0000-0x00000000012C4000-memory.dmp

memory/2196-2-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

MD5 b4ac68d3c6cc89ae97e519b9a7241bba
SHA1 ced8a4dec2238bc5f2b7ca9ef9fdac0a6cd9108f
SHA256 03bc2c340a1081e1521a5c4b92c38756f4de234ac1b1a578556d83737972e343
SHA512 8870741c08574945ea43055e6031394af96290348e4e55d3570f937020c49020fc7d61517d9ab9dd42fc65066ba113cb8a31f2d45cff7f7301f8e865d52aa1d5

memory/2768-8-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

memory/2196-10-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

memory/2768-9-0x0000000000330000-0x0000000000654000-memory.dmp

memory/2768-11-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

memory/2768-12-0x000007FEF4C80000-0x000007FEF566C000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-30 00:29

Reported

2024-10-30 00:32

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

Description Indicator Process Target
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\Roaming\SubDir\Client.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe

"C:\Users\Admin\AppData\Local\Temp\Spoofers\PermWoofer.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "ahhaa" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "ahhaa" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
N/A 192.168.1.28:4782 tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 192.168.1.28:4782 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
N/A 192.168.1.28:4782 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 192.168.1.28:4782 tcp
US 8.8.8.8:53 19.229.111.52.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
N/A 192.168.1.28:4782 tcp
N/A 192.168.1.28:4782 tcp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp

Files

memory/4060-0-0x00007FFA24463000-0x00007FFA24465000-memory.dmp

memory/4060-1-0x0000000000480000-0x00000000007A4000-memory.dmp

memory/4060-2-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

MD5 b4ac68d3c6cc89ae97e519b9a7241bba
SHA1 ced8a4dec2238bc5f2b7ca9ef9fdac0a6cd9108f
SHA256 03bc2c340a1081e1521a5c4b92c38756f4de234ac1b1a578556d83737972e343
SHA512 8870741c08574945ea43055e6031394af96290348e4e55d3570f937020c49020fc7d61517d9ab9dd42fc65066ba113cb8a31f2d45cff7f7301f8e865d52aa1d5

memory/672-9-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

memory/4060-10-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

memory/672-11-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

memory/672-12-0x000000001C570000-0x000000001C5C0000-memory.dmp

memory/672-13-0x000000001C680000-0x000000001C732000-memory.dmp

memory/672-14-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp