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Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2025, 19:41
Behavioral task
behavioral1
Sample
sws.exe
Resource
win7-20240903-en
General
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Target
sws.exe
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Size
227KB
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MD5
46fb05503b2ba89656a6b2f95e5572ad
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SHA1
01dac03ded08fc26c42fd88c77090aa6f4cea70e
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SHA256
c6e3deb37384306e5bc08d51469e978c001ee54cf0ad8baa59942eda2c849b6b
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SHA512
7bf112ab9a4df51776c75bd933af3400ec909473389238e13797b61e055236cfacc02d06558061c03a542c3fda0d1575b19646029a2b09c9e45119bf699934a0
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SSDEEP
6144:eloZM+rIkd8g+EtXHkv/iD43tny5nsAvpOXZkQlK8Zb8e1m8hEi:IoZtL+EP83tny5nsAvpOXZkQlr9
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/232-1-0x0000014A86A20000-0x0000014A86A60000-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 5076 powershell.exe 2312 powershell.exe 2976 powershell.exe 1996 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts sws.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 22 discord.com 21 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 4864 cmd.exe 3752 PING.EXE -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 3020 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3752 PING.EXE -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 232 sws.exe 5076 powershell.exe 5076 powershell.exe 2312 powershell.exe 2312 powershell.exe 2976 powershell.exe 2976 powershell.exe 4456 powershell.exe 4456 powershell.exe 1996 powershell.exe 1996 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 232 sws.exe Token: SeIncreaseQuotaPrivilege 876 wmic.exe Token: SeSecurityPrivilege 876 wmic.exe Token: SeTakeOwnershipPrivilege 876 wmic.exe Token: SeLoadDriverPrivilege 876 wmic.exe Token: SeSystemProfilePrivilege 876 wmic.exe Token: SeSystemtimePrivilege 876 wmic.exe Token: SeProfSingleProcessPrivilege 876 wmic.exe Token: SeIncBasePriorityPrivilege 876 wmic.exe Token: SeCreatePagefilePrivilege 876 wmic.exe Token: SeBackupPrivilege 876 wmic.exe Token: SeRestorePrivilege 876 wmic.exe Token: SeShutdownPrivilege 876 wmic.exe Token: SeDebugPrivilege 876 wmic.exe Token: SeSystemEnvironmentPrivilege 876 wmic.exe Token: SeRemoteShutdownPrivilege 876 wmic.exe Token: SeUndockPrivilege 876 wmic.exe Token: SeManageVolumePrivilege 876 wmic.exe Token: 33 876 wmic.exe Token: 34 876 wmic.exe Token: 35 876 wmic.exe Token: 36 876 wmic.exe Token: SeIncreaseQuotaPrivilege 876 wmic.exe Token: SeSecurityPrivilege 876 wmic.exe Token: SeTakeOwnershipPrivilege 876 wmic.exe Token: SeLoadDriverPrivilege 876 wmic.exe Token: SeSystemProfilePrivilege 876 wmic.exe Token: SeSystemtimePrivilege 876 wmic.exe Token: SeProfSingleProcessPrivilege 876 wmic.exe Token: SeIncBasePriorityPrivilege 876 wmic.exe Token: SeCreatePagefilePrivilege 876 wmic.exe Token: SeBackupPrivilege 876 wmic.exe Token: SeRestorePrivilege 876 wmic.exe Token: SeShutdownPrivilege 876 wmic.exe Token: SeDebugPrivilege 876 wmic.exe Token: SeSystemEnvironmentPrivilege 876 wmic.exe Token: SeRemoteShutdownPrivilege 876 wmic.exe Token: SeUndockPrivilege 876 wmic.exe Token: SeManageVolumePrivilege 876 wmic.exe Token: 33 876 wmic.exe Token: 34 876 wmic.exe Token: 35 876 wmic.exe Token: 36 876 wmic.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 2976 powershell.exe Token: SeDebugPrivilege 4456 powershell.exe Token: SeIncreaseQuotaPrivilege 4988 wmic.exe Token: SeSecurityPrivilege 4988 wmic.exe Token: SeTakeOwnershipPrivilege 4988 wmic.exe Token: SeLoadDriverPrivilege 4988 wmic.exe Token: SeSystemProfilePrivilege 4988 wmic.exe Token: SeSystemtimePrivilege 4988 wmic.exe Token: SeProfSingleProcessPrivilege 4988 wmic.exe Token: SeIncBasePriorityPrivilege 4988 wmic.exe Token: SeCreatePagefilePrivilege 4988 wmic.exe Token: SeBackupPrivilege 4988 wmic.exe Token: SeRestorePrivilege 4988 wmic.exe Token: SeShutdownPrivilege 4988 wmic.exe Token: SeDebugPrivilege 4988 wmic.exe Token: SeSystemEnvironmentPrivilege 4988 wmic.exe Token: SeRemoteShutdownPrivilege 4988 wmic.exe Token: SeUndockPrivilege 4988 wmic.exe Token: SeManageVolumePrivilege 4988 wmic.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 232 wrote to memory of 876 232 sws.exe 85 PID 232 wrote to memory of 876 232 sws.exe 85 PID 232 wrote to memory of 1700 232 sws.exe 89 PID 232 wrote to memory of 1700 232 sws.exe 89 PID 232 wrote to memory of 5076 232 sws.exe 91 PID 232 wrote to memory of 5076 232 sws.exe 91 PID 232 wrote to memory of 2312 232 sws.exe 93 PID 232 wrote to memory of 2312 232 sws.exe 93 PID 232 wrote to memory of 2976 232 sws.exe 95 PID 232 wrote to memory of 2976 232 sws.exe 95 PID 232 wrote to memory of 4456 232 sws.exe 97 PID 232 wrote to memory of 4456 232 sws.exe 97 PID 232 wrote to memory of 4988 232 sws.exe 99 PID 232 wrote to memory of 4988 232 sws.exe 99 PID 232 wrote to memory of 1468 232 sws.exe 101 PID 232 wrote to memory of 1468 232 sws.exe 101 PID 232 wrote to memory of 1424 232 sws.exe 103 PID 232 wrote to memory of 1424 232 sws.exe 103 PID 232 wrote to memory of 1996 232 sws.exe 105 PID 232 wrote to memory of 1996 232 sws.exe 105 PID 232 wrote to memory of 3020 232 sws.exe 107 PID 232 wrote to memory of 3020 232 sws.exe 107 PID 232 wrote to memory of 4864 232 sws.exe 109 PID 232 wrote to memory of 4864 232 sws.exe 109 PID 4864 wrote to memory of 3752 4864 cmd.exe 111 PID 4864 wrote to memory of 3752 4864 cmd.exe 111 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1700 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sws.exe"C:\Users\Admin\AppData\Local\Temp\sws.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:876
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\sws.exe"2⤵
- Views/modifies file attributes
PID:1700
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\sws.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5076
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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:2312
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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:2976
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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:4456
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4988
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:1468
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:1424
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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:1996
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:3020
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\sws.exe" && pause2⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\system32\PING.EXEping localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3752
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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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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
948B
MD5966914e2e771de7a4a57a95b6ecfa8a9
SHA17a32282fd51dd032967ed4d9a40cc57e265aeff2
SHA25698d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba
SHA512dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5
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Filesize
1KB
MD5d3235ed022a42ec4338123ab87144afa
SHA15058608bc0deb720a585a2304a8f7cf63a50a315
SHA25610663f5a1cb0afe5578f61ebaae2aafb363544e47b48521f9c23be9e6e431b27
SHA512236761b7c68feca8bd62cba90cff0b25fac5613837aaa5d29ae823ace8b06a2057553cf7e72b11ccc59b6c289e471ca1bbac1a880aef5e2868875371a17c1abf
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Filesize
1KB
MD5bb059cd5ec81445db881376f4c2d7eeb
SHA1d36313ed7b12132106252009b2658a1c70fb1e87
SHA256987d374beac33bedb33df17b602f2fdf5cdf81fa14f11dbbe606506efb8a74ad
SHA512ce6f532e13d8353b3ad64be2d55df9600bb700dd8a4e1f8f16b1d52c416f97c7a71927a2165d74771ce7bb81dcdc33a7cf39d7f6b4dee5b9b36af22668262409
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82