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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/09/2024, 05:52
Behavioral task
behavioral1
Sample
18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe
Resource
win7-20240903-en
General
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Target
18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe
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Size
231KB
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MD5
2e5358fcd0403cf1c6dd36a32952d9ea
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SHA1
cb03dcf965d79b39657643469b6bbdec205c0a22
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SHA256
18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922
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SHA512
0bc336ebad20497f6d8a89db417106ae0f306bd34588e1118b6d82b1da63890ab7ef35b646d259ac78d7c92bc3fcf87d96596f9c61de31910c7d2c4a3ebfaaac
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SSDEEP
6144:xloZMarIkd8g+EtXHkv/iD4kNJe5nsAvEOXZkQlzIb8e1m2P7Ai:DoZhL+EP8kNJe5nsAvEOXZkQlE57Z
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2676-1-0x00000000003C0000-0x0000000000400000-memory.dmp family_umbral -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2524 powershell.exe 2960 powershell.exe 1000 powershell.exe 2772 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe -
Deletes itself 1 IoCs
pid Process 1984 cmd.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 7 discord.com 8 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ip-api.com -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1984 cmd.exe 2296 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 1980 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2296 PING.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 2524 powershell.exe 2772 powershell.exe 2960 powershell.exe 2608 powershell.exe 1000 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe Token: SeIncreaseQuotaPrivilege 2576 wmic.exe Token: SeSecurityPrivilege 2576 wmic.exe Token: SeTakeOwnershipPrivilege 2576 wmic.exe Token: SeLoadDriverPrivilege 2576 wmic.exe Token: SeSystemProfilePrivilege 2576 wmic.exe Token: SeSystemtimePrivilege 2576 wmic.exe Token: SeProfSingleProcessPrivilege 2576 wmic.exe Token: SeIncBasePriorityPrivilege 2576 wmic.exe Token: SeCreatePagefilePrivilege 2576 wmic.exe Token: SeBackupPrivilege 2576 wmic.exe Token: SeRestorePrivilege 2576 wmic.exe Token: SeShutdownPrivilege 2576 wmic.exe Token: SeDebugPrivilege 2576 wmic.exe Token: SeSystemEnvironmentPrivilege 2576 wmic.exe Token: SeRemoteShutdownPrivilege 2576 wmic.exe Token: SeUndockPrivilege 2576 wmic.exe Token: SeManageVolumePrivilege 2576 wmic.exe Token: 33 2576 wmic.exe Token: 34 2576 wmic.exe Token: 35 2576 wmic.exe Token: SeIncreaseQuotaPrivilege 2576 wmic.exe Token: SeSecurityPrivilege 2576 wmic.exe Token: SeTakeOwnershipPrivilege 2576 wmic.exe Token: SeLoadDriverPrivilege 2576 wmic.exe Token: SeSystemProfilePrivilege 2576 wmic.exe Token: SeSystemtimePrivilege 2576 wmic.exe Token: SeProfSingleProcessPrivilege 2576 wmic.exe Token: SeIncBasePriorityPrivilege 2576 wmic.exe Token: SeCreatePagefilePrivilege 2576 wmic.exe Token: SeBackupPrivilege 2576 wmic.exe Token: SeRestorePrivilege 2576 wmic.exe Token: SeShutdownPrivilege 2576 wmic.exe Token: SeDebugPrivilege 2576 wmic.exe Token: SeSystemEnvironmentPrivilege 2576 wmic.exe Token: SeRemoteShutdownPrivilege 2576 wmic.exe Token: SeUndockPrivilege 2576 wmic.exe Token: SeManageVolumePrivilege 2576 wmic.exe Token: 33 2576 wmic.exe Token: 34 2576 wmic.exe Token: 35 2576 wmic.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeIncreaseQuotaPrivilege 304 wmic.exe Token: SeSecurityPrivilege 304 wmic.exe Token: SeTakeOwnershipPrivilege 304 wmic.exe Token: SeLoadDriverPrivilege 304 wmic.exe Token: SeSystemProfilePrivilege 304 wmic.exe Token: SeSystemtimePrivilege 304 wmic.exe Token: SeProfSingleProcessPrivilege 304 wmic.exe Token: SeIncBasePriorityPrivilege 304 wmic.exe Token: SeCreatePagefilePrivilege 304 wmic.exe Token: SeBackupPrivilege 304 wmic.exe Token: SeRestorePrivilege 304 wmic.exe Token: SeShutdownPrivilege 304 wmic.exe Token: SeDebugPrivilege 304 wmic.exe Token: SeSystemEnvironmentPrivilege 304 wmic.exe Token: SeRemoteShutdownPrivilege 304 wmic.exe Token: SeUndockPrivilege 304 wmic.exe Token: SeManageVolumePrivilege 304 wmic.exe Token: 33 304 wmic.exe Token: 34 304 wmic.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2676 wrote to memory of 2576 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 30 PID 2676 wrote to memory of 2576 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 30 PID 2676 wrote to memory of 2576 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 30 PID 2676 wrote to memory of 2824 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 33 PID 2676 wrote to memory of 2824 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 33 PID 2676 wrote to memory of 2824 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 33 PID 2676 wrote to memory of 2524 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 35 PID 2676 wrote to memory of 2524 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 35 PID 2676 wrote to memory of 2524 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 35 PID 2676 wrote to memory of 2772 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 37 PID 2676 wrote to memory of 2772 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 37 PID 2676 wrote to memory of 2772 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 37 PID 2676 wrote to memory of 2960 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 39 PID 2676 wrote to memory of 2960 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 39 PID 2676 wrote to memory of 2960 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 39 PID 2676 wrote to memory of 2608 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 41 PID 2676 wrote to memory of 2608 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 41 PID 2676 wrote to memory of 2608 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 41 PID 2676 wrote to memory of 304 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 43 PID 2676 wrote to memory of 304 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 43 PID 2676 wrote to memory of 304 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 43 PID 2676 wrote to memory of 2152 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 45 PID 2676 wrote to memory of 2152 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 45 PID 2676 wrote to memory of 2152 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 45 PID 2676 wrote to memory of 1500 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 47 PID 2676 wrote to memory of 1500 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 47 PID 2676 wrote to memory of 1500 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 47 PID 2676 wrote to memory of 1000 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 49 PID 2676 wrote to memory of 1000 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 49 PID 2676 wrote to memory of 1000 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 49 PID 2676 wrote to memory of 1980 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 51 PID 2676 wrote to memory of 1980 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 51 PID 2676 wrote to memory of 1980 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 51 PID 2676 wrote to memory of 1984 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 53 PID 2676 wrote to memory of 1984 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 53 PID 2676 wrote to memory of 1984 2676 18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe 53 PID 1984 wrote to memory of 2296 1984 cmd.exe 55 PID 1984 wrote to memory of 2296 1984 cmd.exe 55 PID 1984 wrote to memory of 2296 1984 cmd.exe 55 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2824 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe"C:\Users\Admin\AppData\Local\Temp\18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2576
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C:\Windows\system32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe"2⤵
- Views/modifies file attributes
PID:2824
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 22⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2960
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:304
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:2152
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:1500
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:1000
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:1980
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C:\Windows\system32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\18448b3f95efc450d3183f547c3b3f74d645911e3e198895a429d1cd02080922.exe" && pause2⤵
- Deletes itself
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\system32\PING.EXEping localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2296
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5ada12807793f5ba4f7a558dce2ed4541
SHA1e96f7519fa07ce81fc80d3b63a1166b435467058
SHA256450b7399ccb1e705135a534991122a6e4df7a3d93851ae8b2bcd06ca16bf6a7b
SHA51231be86d3ecdc7e0ace2d33b542f20c5365941c16cda5d665abcc33f77c660b7e6f089e06d86f068c82610b1c489f0d8f7378037a821e8a5a096fe7062a86f70c