Analysis
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max time kernel
9s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 20:16
Behavioral task
behavioral1
Sample
dead-payload.exe
Resource
win7-20240220-en
General
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Target
dead-payload.exe
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Size
254KB
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MD5
25a2522c3853f29cea7396fcd3e70c7c
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SHA1
188fced84fffb29a17ce8828ac90911665512386
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SHA256
6f79fb9f7c9883bc3151bd95bd88f6e0b3f86c4b0f536a8f099a55656d922766
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SHA512
3140244dafd52f55574eb18250c0b2710c1276b134ba0747d13e233501fbf7324f8d7b92080a94c6006a8983a190e9953f942e8cba1b1a79eb851608986512d4
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SSDEEP
6144:K4oZoAeVHPtHgTIAaZgCwDx7axHU0unC28ejI817:xoZyHPvWCwjXCsII
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/548-0-0x0000026923760000-0x00000269237A6000-memory.dmp family_umbral -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory 1 IoCs
Processes:
dead-payload.exedescription ioc process File opened for modification C:\Windows\System32\drivers\etc\hosts dead-payload.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
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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.
Processes:
flow ioc 6 ip-api.com -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
dead-payload.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 548 dead-payload.exe 1668 powershell.exe 1668 powershell.exe 796 powershell.exe 796 powershell.exe 720 powershell.exe 720 powershell.exe 3692 powershell.exe 3692 powershell.exe 3768 powershell.exe 3768 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
dead-payload.exewmic.exepowershell.exepowershell.exepowershell.exepowershell.exewmic.exedescription pid process Token: SeDebugPrivilege 548 dead-payload.exe Token: SeIncreaseQuotaPrivilege 1796 wmic.exe Token: SeSecurityPrivilege 1796 wmic.exe Token: SeTakeOwnershipPrivilege 1796 wmic.exe Token: SeLoadDriverPrivilege 1796 wmic.exe Token: SeSystemProfilePrivilege 1796 wmic.exe Token: SeSystemtimePrivilege 1796 wmic.exe Token: SeProfSingleProcessPrivilege 1796 wmic.exe Token: SeIncBasePriorityPrivilege 1796 wmic.exe Token: SeCreatePagefilePrivilege 1796 wmic.exe Token: SeBackupPrivilege 1796 wmic.exe Token: SeRestorePrivilege 1796 wmic.exe Token: SeShutdownPrivilege 1796 wmic.exe Token: SeDebugPrivilege 1796 wmic.exe Token: SeSystemEnvironmentPrivilege 1796 wmic.exe Token: SeRemoteShutdownPrivilege 1796 wmic.exe Token: SeUndockPrivilege 1796 wmic.exe Token: SeManageVolumePrivilege 1796 wmic.exe Token: 33 1796 wmic.exe Token: 34 1796 wmic.exe Token: 35 1796 wmic.exe Token: 36 1796 wmic.exe Token: SeIncreaseQuotaPrivilege 1796 wmic.exe Token: SeSecurityPrivilege 1796 wmic.exe Token: SeTakeOwnershipPrivilege 1796 wmic.exe Token: SeLoadDriverPrivilege 1796 wmic.exe Token: SeSystemProfilePrivilege 1796 wmic.exe Token: SeSystemtimePrivilege 1796 wmic.exe Token: SeProfSingleProcessPrivilege 1796 wmic.exe Token: SeIncBasePriorityPrivilege 1796 wmic.exe Token: SeCreatePagefilePrivilege 1796 wmic.exe Token: SeBackupPrivilege 1796 wmic.exe Token: SeRestorePrivilege 1796 wmic.exe Token: SeShutdownPrivilege 1796 wmic.exe Token: SeDebugPrivilege 1796 wmic.exe Token: SeSystemEnvironmentPrivilege 1796 wmic.exe Token: SeRemoteShutdownPrivilege 1796 wmic.exe Token: SeUndockPrivilege 1796 wmic.exe Token: SeManageVolumePrivilege 1796 wmic.exe Token: 33 1796 wmic.exe Token: 34 1796 wmic.exe Token: 35 1796 wmic.exe Token: 36 1796 wmic.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 796 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeDebugPrivilege 3692 powershell.exe Token: SeIncreaseQuotaPrivilege 4544 wmic.exe Token: SeSecurityPrivilege 4544 wmic.exe Token: SeTakeOwnershipPrivilege 4544 wmic.exe Token: SeLoadDriverPrivilege 4544 wmic.exe Token: SeSystemProfilePrivilege 4544 wmic.exe Token: SeSystemtimePrivilege 4544 wmic.exe Token: SeProfSingleProcessPrivilege 4544 wmic.exe Token: SeIncBasePriorityPrivilege 4544 wmic.exe Token: SeCreatePagefilePrivilege 4544 wmic.exe Token: SeBackupPrivilege 4544 wmic.exe Token: SeRestorePrivilege 4544 wmic.exe Token: SeShutdownPrivilege 4544 wmic.exe Token: SeDebugPrivilege 4544 wmic.exe Token: SeSystemEnvironmentPrivilege 4544 wmic.exe Token: SeRemoteShutdownPrivilege 4544 wmic.exe Token: SeUndockPrivilege 4544 wmic.exe Token: SeManageVolumePrivilege 4544 wmic.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
dead-payload.execmd.exedescription pid process target process PID 548 wrote to memory of 1796 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 1796 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 2076 548 dead-payload.exe attrib.exe PID 548 wrote to memory of 2076 548 dead-payload.exe attrib.exe PID 548 wrote to memory of 1668 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 1668 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 796 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 796 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 720 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 720 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 3692 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 3692 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 4544 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 4544 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 3884 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 3884 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 3528 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 3528 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 3768 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 3768 548 dead-payload.exe powershell.exe PID 548 wrote to memory of 3656 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 3656 548 dead-payload.exe wmic.exe PID 548 wrote to memory of 4740 548 dead-payload.exe cmd.exe PID 548 wrote to memory of 4740 548 dead-payload.exe cmd.exe PID 4740 wrote to memory of 3460 4740 cmd.exe PING.EXE PID 4740 wrote to memory of 3460 4740 cmd.exe PING.EXE -
Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dead-payload.exe"C:\Users\Admin\AppData\Local\Temp\dead-payload.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1796 -
C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\dead-payload.exe"2⤵
- Views/modifies file attributes
PID:2076 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\dead-payload.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668 -
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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:796 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:720 -
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:3692 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4544 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:3884
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:3528
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:3768 -
C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:3656 -
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\dead-payload.exe" && pause2⤵
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\system32\PING.EXEping localhost3⤵
- Runs ping.exe
PID:3460
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD576692775e4781f0c9f0092f5804cfdb1
SHA16740e4e4110028c62282ee1e7eb8be576a2bc23a
SHA2560c451ff3823450d544066237cbfb08556b7ca36c4a0ea085055f69ab35795b00
SHA5126e0731e3736594d9e86da2fc33e08a663f29100074cc8d46e2716123c946b9eb150c804c7cf8428cac631e1cff984663d41ce3b5e1e77965bd8e2ecf0742af34
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
948B
MD5c9b6705519e1eef08f86c4ba5f4286f3
SHA16c6b179e452ecee2673a1d4fe128f1c06f70577f
SHA2560f9cad44a79126871580e19b01dc3f880c5173b1faaf8b9018d5d1f829714705
SHA5126d8f85a7a8b0b124530f36a157cd0441b5c1eacdc35e274af9fbf0569d03d1d5e468651a5b2425f0215c282ecfa7b1ffeaeeaf18612822f00bd14306d30640c7
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD588be3bc8a7f90e3953298c0fdbec4d72
SHA1f4969784ad421cc80ef45608727aacd0f6bf2e4b
SHA256533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a
SHA5124fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD5107102102e02e48f37f5318c7e113c43
SHA17fb10fc65c85fb4c050309f0872bc9389dcccc0d
SHA2563c3f49948c1e832c86b959c32bc288ddedb500534b74df082f8967fc7f9976f7
SHA512b108a47d7c3dd154cad44362b6cd557b7064096383d100e6cd64bfb19c4e2ad878ed4ee800776322ad3cc4bb721fb675b0ecab8f5661024188fa3aa19561841b
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vx1utlhl.1vx.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/548-68-0x000002693DE40000-0x000002693DE4A000-memory.dmpFilesize
40KB
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memory/548-30-0x000002693DEB0000-0x000002693DF26000-memory.dmpFilesize
472KB
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memory/548-31-0x000002693DF30000-0x000002693DF80000-memory.dmpFilesize
320KB
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memory/548-2-0x00007FFDA6340000-0x00007FFDA6E01000-memory.dmpFilesize
10.8MB
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memory/548-87-0x00007FFDA6340000-0x00007FFDA6E01000-memory.dmpFilesize
10.8MB
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memory/548-32-0x000002693DF80000-0x000002693DF9E000-memory.dmpFilesize
120KB
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memory/548-69-0x000002693DE70000-0x000002693DE82000-memory.dmpFilesize
72KB
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memory/548-0-0x0000026923760000-0x00000269237A6000-memory.dmpFilesize
280KB
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memory/548-1-0x00007FFDA6343000-0x00007FFDA6345000-memory.dmpFilesize
8KB
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memory/1668-14-0x00000295DF410000-0x00000295DF432000-memory.dmpFilesize
136KB
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memory/1668-13-0x00007FFDA6340000-0x00007FFDA6E01000-memory.dmpFilesize
10.8MB
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memory/1668-12-0x00007FFDA6340000-0x00007FFDA6E01000-memory.dmpFilesize
10.8MB
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memory/1668-16-0x00007FFDA6340000-0x00007FFDA6E01000-memory.dmpFilesize
10.8MB