Analysis
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max time kernel
18s -
max time network
16s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-09-2024 17:56
General
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Target
upx.exe
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Size
232KB
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MD5
4f64d4d9289bdfcf55fe7a4de0e07f27
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SHA1
9981fb1876461216a376558f41fa67ba4bc64aba
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SHA256
8b8e99eb8ab351e0c1d45aac62784d4e941eb4816ec00736704c564c670555da
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SHA512
78a60559439a7b0d16fcb926c8ba16531cbaf34fdc47f0abdc236921e6f196fe829118cd8ee252c3699486a849a5ffcb2744f3ef802ed8f39369388f1b9c326b
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD43jn0BPUon4WvRsY90vb8e1mnxFi:foZtL+EP83jn0BPUon4WvRsY9uYm
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2052-1-0x0000029C83F10000-0x0000029C83F50000-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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pid Process 4584 powershell.exe 4572 powershell.exe 3240 powershell.exe 4592 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts upx.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 26 discord.com 27 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 7 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 3448 PING.EXE 2984 cmd.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4884 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3448 PING.EXE -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2052 upx.exe 4592 powershell.exe 4592 powershell.exe 4584 powershell.exe 4584 powershell.exe 4572 powershell.exe 4572 powershell.exe 936 powershell.exe 936 powershell.exe 3240 powershell.exe 3240 powershell.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2052 upx.exe Token: SeIncreaseQuotaPrivilege 3276 wmic.exe Token: SeSecurityPrivilege 3276 wmic.exe Token: SeTakeOwnershipPrivilege 3276 wmic.exe Token: SeLoadDriverPrivilege 3276 wmic.exe Token: SeSystemProfilePrivilege 3276 wmic.exe Token: SeSystemtimePrivilege 3276 wmic.exe Token: SeProfSingleProcessPrivilege 3276 wmic.exe Token: SeIncBasePriorityPrivilege 3276 wmic.exe Token: SeCreatePagefilePrivilege 3276 wmic.exe Token: SeBackupPrivilege 3276 wmic.exe Token: SeRestorePrivilege 3276 wmic.exe Token: SeShutdownPrivilege 3276 wmic.exe Token: SeDebugPrivilege 3276 wmic.exe Token: SeSystemEnvironmentPrivilege 3276 wmic.exe Token: SeRemoteShutdownPrivilege 3276 wmic.exe Token: SeUndockPrivilege 3276 wmic.exe Token: SeManageVolumePrivilege 3276 wmic.exe Token: 33 3276 wmic.exe Token: 34 3276 wmic.exe Token: 35 3276 wmic.exe Token: 36 3276 wmic.exe Token: SeIncreaseQuotaPrivilege 3276 wmic.exe Token: SeSecurityPrivilege 3276 wmic.exe Token: SeTakeOwnershipPrivilege 3276 wmic.exe Token: SeLoadDriverPrivilege 3276 wmic.exe Token: SeSystemProfilePrivilege 3276 wmic.exe Token: SeSystemtimePrivilege 3276 wmic.exe Token: SeProfSingleProcessPrivilege 3276 wmic.exe Token: SeIncBasePriorityPrivilege 3276 wmic.exe Token: SeCreatePagefilePrivilege 3276 wmic.exe Token: SeBackupPrivilege 3276 wmic.exe Token: SeRestorePrivilege 3276 wmic.exe Token: SeShutdownPrivilege 3276 wmic.exe Token: SeDebugPrivilege 3276 wmic.exe Token: SeSystemEnvironmentPrivilege 3276 wmic.exe Token: SeRemoteShutdownPrivilege 3276 wmic.exe Token: SeUndockPrivilege 3276 wmic.exe Token: SeManageVolumePrivilege 3276 wmic.exe Token: 33 3276 wmic.exe Token: 34 3276 wmic.exe Token: 35 3276 wmic.exe Token: 36 3276 wmic.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 936 powershell.exe Token: SeIncreaseQuotaPrivilege 4996 wmic.exe Token: SeSecurityPrivilege 4996 wmic.exe Token: SeTakeOwnershipPrivilege 4996 wmic.exe Token: SeLoadDriverPrivilege 4996 wmic.exe Token: SeSystemProfilePrivilege 4996 wmic.exe Token: SeSystemtimePrivilege 4996 wmic.exe Token: SeProfSingleProcessPrivilege 4996 wmic.exe Token: SeIncBasePriorityPrivilege 4996 wmic.exe Token: SeCreatePagefilePrivilege 4996 wmic.exe Token: SeBackupPrivilege 4996 wmic.exe Token: SeRestorePrivilege 4996 wmic.exe Token: SeShutdownPrivilege 4996 wmic.exe Token: SeDebugPrivilege 4996 wmic.exe Token: SeSystemEnvironmentPrivilege 4996 wmic.exe Token: SeRemoteShutdownPrivilege 4996 wmic.exe Token: SeUndockPrivilege 4996 wmic.exe Token: SeManageVolumePrivilege 4996 wmic.exe -
Suspicious use of FindShellTrayWindow 38 IoCs
pid Process 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe -
Suspicious use of SendNotifyMessage 38 IoCs
pid Process 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe 4628 taskmgr.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2052 wrote to memory of 3276 2052 upx.exe 83 PID 2052 wrote to memory of 3276 2052 upx.exe 83 PID 2052 wrote to memory of 348 2052 upx.exe 89 PID 2052 wrote to memory of 348 2052 upx.exe 89 PID 2052 wrote to memory of 4592 2052 upx.exe 92 PID 2052 wrote to memory of 4592 2052 upx.exe 92 PID 2052 wrote to memory of 4584 2052 upx.exe 94 PID 2052 wrote to memory of 4584 2052 upx.exe 94 PID 2052 wrote to memory of 4572 2052 upx.exe 96 PID 2052 wrote to memory of 4572 2052 upx.exe 96 PID 2052 wrote to memory of 936 2052 upx.exe 98 PID 2052 wrote to memory of 936 2052 upx.exe 98 PID 2052 wrote to memory of 4996 2052 upx.exe 103 PID 2052 wrote to memory of 4996 2052 upx.exe 103 PID 2052 wrote to memory of 5016 2052 upx.exe 105 PID 2052 wrote to memory of 5016 2052 upx.exe 105 PID 2052 wrote to memory of 5116 2052 upx.exe 107 PID 2052 wrote to memory of 5116 2052 upx.exe 107 PID 2052 wrote to memory of 3240 2052 upx.exe 109 PID 2052 wrote to memory of 3240 2052 upx.exe 109 PID 2052 wrote to memory of 4884 2052 upx.exe 111 PID 2052 wrote to memory of 4884 2052 upx.exe 111 PID 2052 wrote to memory of 2984 2052 upx.exe 115 PID 2052 wrote to memory of 2984 2052 upx.exe 115 PID 2984 wrote to memory of 3448 2984 cmd.exe 117 PID 2984 wrote to memory of 3448 2984 cmd.exe 117 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 348 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\upx.exe"C:\Users\Admin\AppData\Local\Temp\upx.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3276
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\upx.exe"2⤵
- Views/modifies file attributes
PID:348
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\upx.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4592
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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:4584
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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:4572
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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:936
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4996
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:5016
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:5116
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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:3240
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:4884
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\upx.exe" && pause2⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\system32\PING.EXEping localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3448
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4628
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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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
948B
MD58bbd6908e148d61010a3130cb6aae4a0
SHA1e74bcc1b0f762fcd7469d0621b9c7fe50b0c365d
SHA25679c8ed7085737723dbc7c40b32d01ea400171787259b7458561cd5db60401023
SHA51238057edb5f2ce86329f558bf34224c6110443635756b1b26da99f89b13e3f971bf602939f40d3fce8459cfdab4ad4fa4928ecb933ff045173535fcc46fe4855f
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Filesize
1KB
MD5276798eeb29a49dc6e199768bc9c2e71
SHA15fdc8ccb897ac2df7476fbb07517aca5b7a6205b
SHA256cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
SHA5120d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2
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Filesize
1KB
MD5ac057a92f4b62d8880169af0693ef5b2
SHA166e7c7834c5dae5cec863ccd69403150d05841f4
SHA2567cef55990e8e6cfe07e1965b303e79ac562cdc128ab82edf480d9873f72bb3ed
SHA512d525f47da9e61fc87e55aca6b34e776be3ed081b719bbbb5256705a6afe5fdd4c16d5ee595af13994e2718f789f5fd32830331347d97b029c031c9dfe30c7f49
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82