Analysis
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max time kernel
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max time network
37s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-11-2024 03:14
General
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Target
b5uEJHZB6Rl.exe
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Size
231KB
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MD5
438289fb9c72ed39bf5497f9af21ec7a
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SHA1
8120391ecb41ed6a4c6ef0b259776e59311d6997
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SHA256
ea4cb7c7b4cfb2fcc04d1c3f96b20c26638e69a97b15cae14659f0d6afb78f85
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SHA512
3647907fa2d503a242ef07cb20b081444b75e0c618a91232c8e77903b4b6aa823b8a7cbe07a45e02591fe48fdd23b5eae88565006b85863c0a5f6e42d7589fe0
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SSDEEP
6144:YloZM+rIkd8g+EtXHkv/iD4Bs4DdLocD/abtIEx6tb8e1mTiu:GoZtL+EP8Bs4DdLocD/abtIExq1
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/1404-1-0x000002824F350000-0x000002824F390000-memory.dmp family_umbral -
Umbral family
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pid Process 4820 powershell.exe 4720 powershell.exe 4756 powershell.exe 2036 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts b5uEJHZB6Rl.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 20 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 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 2932 cmd.exe 4616 PING.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 taskmgr.exe 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 -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4688 wmic.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings taskmgr.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4616 PING.EXE -
Suspicious behavior: EnumeratesProcesses 38 IoCs
pid Process 1404 b5uEJHZB6Rl.exe 2036 powershell.exe 2036 powershell.exe 4820 powershell.exe 4820 powershell.exe 4720 powershell.exe 4720 powershell.exe 3940 powershell.exe 3940 powershell.exe 4756 powershell.exe 4756 powershell.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1404 b5uEJHZB6Rl.exe Token: SeIncreaseQuotaPrivilege 1644 wmic.exe Token: SeSecurityPrivilege 1644 wmic.exe Token: SeTakeOwnershipPrivilege 1644 wmic.exe Token: SeLoadDriverPrivilege 1644 wmic.exe Token: SeSystemProfilePrivilege 1644 wmic.exe Token: SeSystemtimePrivilege 1644 wmic.exe Token: SeProfSingleProcessPrivilege 1644 wmic.exe Token: SeIncBasePriorityPrivilege 1644 wmic.exe Token: SeCreatePagefilePrivilege 1644 wmic.exe Token: SeBackupPrivilege 1644 wmic.exe Token: SeRestorePrivilege 1644 wmic.exe Token: SeShutdownPrivilege 1644 wmic.exe Token: SeDebugPrivilege 1644 wmic.exe Token: SeSystemEnvironmentPrivilege 1644 wmic.exe Token: SeRemoteShutdownPrivilege 1644 wmic.exe Token: SeUndockPrivilege 1644 wmic.exe Token: SeManageVolumePrivilege 1644 wmic.exe Token: 33 1644 wmic.exe Token: 34 1644 wmic.exe Token: 35 1644 wmic.exe Token: 36 1644 wmic.exe Token: SeIncreaseQuotaPrivilege 1644 wmic.exe Token: SeSecurityPrivilege 1644 wmic.exe Token: SeTakeOwnershipPrivilege 1644 wmic.exe Token: SeLoadDriverPrivilege 1644 wmic.exe Token: SeSystemProfilePrivilege 1644 wmic.exe Token: SeSystemtimePrivilege 1644 wmic.exe Token: SeProfSingleProcessPrivilege 1644 wmic.exe Token: SeIncBasePriorityPrivilege 1644 wmic.exe Token: SeCreatePagefilePrivilege 1644 wmic.exe Token: SeBackupPrivilege 1644 wmic.exe Token: SeRestorePrivilege 1644 wmic.exe Token: SeShutdownPrivilege 1644 wmic.exe Token: SeDebugPrivilege 1644 wmic.exe Token: SeSystemEnvironmentPrivilege 1644 wmic.exe Token: SeRemoteShutdownPrivilege 1644 wmic.exe Token: SeUndockPrivilege 1644 wmic.exe Token: SeManageVolumePrivilege 1644 wmic.exe Token: 33 1644 wmic.exe Token: 34 1644 wmic.exe Token: 35 1644 wmic.exe Token: 36 1644 wmic.exe Token: SeDebugPrivilege 2036 powershell.exe Token: SeDebugPrivilege 4820 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeIncreaseQuotaPrivilege 3512 wmic.exe Token: SeSecurityPrivilege 3512 wmic.exe Token: SeTakeOwnershipPrivilege 3512 wmic.exe Token: SeLoadDriverPrivilege 3512 wmic.exe Token: SeSystemProfilePrivilege 3512 wmic.exe Token: SeSystemtimePrivilege 3512 wmic.exe Token: SeProfSingleProcessPrivilege 3512 wmic.exe Token: SeIncBasePriorityPrivilege 3512 wmic.exe Token: SeCreatePagefilePrivilege 3512 wmic.exe Token: SeBackupPrivilege 3512 wmic.exe Token: SeRestorePrivilege 3512 wmic.exe Token: SeShutdownPrivilege 3512 wmic.exe Token: SeDebugPrivilege 3512 wmic.exe Token: SeSystemEnvironmentPrivilege 3512 wmic.exe Token: SeRemoteShutdownPrivilege 3512 wmic.exe Token: SeUndockPrivilege 3512 wmic.exe Token: SeManageVolumePrivilege 3512 wmic.exe -
Suspicious use of FindShellTrayWindow 53 IoCs
pid Process 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe -
Suspicious use of SendNotifyMessage 53 IoCs
pid Process 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe 2488 taskmgr.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1404 wrote to memory of 1644 1404 b5uEJHZB6Rl.exe 83 PID 1404 wrote to memory of 1644 1404 b5uEJHZB6Rl.exe 83 PID 1404 wrote to memory of 2704 1404 b5uEJHZB6Rl.exe 88 PID 1404 wrote to memory of 2704 1404 b5uEJHZB6Rl.exe 88 PID 1404 wrote to memory of 2036 1404 b5uEJHZB6Rl.exe 90 PID 1404 wrote to memory of 2036 1404 b5uEJHZB6Rl.exe 90 PID 1404 wrote to memory of 4820 1404 b5uEJHZB6Rl.exe 93 PID 1404 wrote to memory of 4820 1404 b5uEJHZB6Rl.exe 93 PID 1404 wrote to memory of 4720 1404 b5uEJHZB6Rl.exe 97 PID 1404 wrote to memory of 4720 1404 b5uEJHZB6Rl.exe 97 PID 1404 wrote to memory of 3940 1404 b5uEJHZB6Rl.exe 99 PID 1404 wrote to memory of 3940 1404 b5uEJHZB6Rl.exe 99 PID 1404 wrote to memory of 3512 1404 b5uEJHZB6Rl.exe 102 PID 1404 wrote to memory of 3512 1404 b5uEJHZB6Rl.exe 102 PID 1404 wrote to memory of 1376 1404 b5uEJHZB6Rl.exe 104 PID 1404 wrote to memory of 1376 1404 b5uEJHZB6Rl.exe 104 PID 1404 wrote to memory of 3328 1404 b5uEJHZB6Rl.exe 106 PID 1404 wrote to memory of 3328 1404 b5uEJHZB6Rl.exe 106 PID 1404 wrote to memory of 4756 1404 b5uEJHZB6Rl.exe 108 PID 1404 wrote to memory of 4756 1404 b5uEJHZB6Rl.exe 108 PID 1404 wrote to memory of 4688 1404 b5uEJHZB6Rl.exe 110 PID 1404 wrote to memory of 4688 1404 b5uEJHZB6Rl.exe 110 PID 1404 wrote to memory of 2932 1404 b5uEJHZB6Rl.exe 112 PID 1404 wrote to memory of 2932 1404 b5uEJHZB6Rl.exe 112 PID 2932 wrote to memory of 4616 2932 cmd.exe 114 PID 2932 wrote to memory of 4616 2932 cmd.exe 114 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2704 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5uEJHZB6Rl.exe"C:\Users\Admin\AppData\Local\Temp\b5uEJHZB6Rl.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1644
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\b5uEJHZB6Rl.exe"2⤵
- Views/modifies file attributes
PID:2704
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\b5uEJHZB6Rl.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036
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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:4820
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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:4720
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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:3940
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:1376
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:3328
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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:4756
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:4688
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\b5uEJHZB6Rl.exe" && pause2⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\system32\PING.EXEping localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4616
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2488
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:608
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
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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Filesize
948B
MD5f4bf3ca8753d6bb9725419fec1ec74b9
SHA171fce9d17d1d92873236a9a827c52eb9e4827f3d
SHA256ca8697e4ada4c3d4aac2899b8aad4052ccd605fccee05ee0a831368bde2f7417
SHA512a55a107ae8bcf833ea674413c765cd55096146c9634dff41884fcc851c12fe47753308099525c99ae44883facfb668c8b292dd915263f34ebd1190391cb28a54
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Filesize
1KB
MD5276798eeb29a49dc6e199768bc9c2e71
SHA15fdc8ccb897ac2df7476fbb07517aca5b7a6205b
SHA256cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
SHA5120d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2
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Filesize
1KB
MD545ad40f012b09e141955482368549640
SHA13f9cd15875c1e397c3b2b5592805577ae88a96cb
SHA256ea3b59172f1a33677f9cb3843fb4d6093b806d3a7cf2f3c6d4692f5421f656ce
SHA5123de08f8affca1c1450088f560776cf3d65146cadac43c06eb922c7b3cea436e519966cf38458303ffeb1a58c53f8952cffda6c34216fda7594e014b516e83b33
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82