Analysis Overview
SHA256
e13794d15691acbbd898adcbbca15b903ee738c46ad7237d5d8e018385eeb4e0
Threat Level: Known bad
The file PulseLoader 3.4 x64.exe was found to be: Known bad.
Malicious Activity Summary
Detect Umbral payload
Umbral family
Umbral
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Unsigned PE
Runs ping.exe
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
Detects videocard installed
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 02:10
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 02:10
Reported
2024-05-09 02:11
Platform
win7-20240220-en
Max time kernel
0s
Max time network
3s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe
"C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe"
Network
Files
memory/2368-0-0x000007FEF5BD3000-0x000007FEF5BD4000-memory.dmp
memory/2368-1-0x0000000001070000-0x00000000010B0000-memory.dmp
memory/2368-2-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 02:10
Reported
2024-05-09 02:11
Platform
win10v2004-20240426-en
Max time kernel
0s
Max time network
21s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Detects videocard installed
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe | N/A |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe
"C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe"
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
C:\Windows\SYSTEM32\attrib.exe
"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe'
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 2
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" os get Caption
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" computersystem get totalphysicalmemory
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
C:\Windows\System32\Wbem\wmic.exe
"wmic" path win32_VideoController get name
C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\PulseLoader 3.4 x64.exe" && pause
C:\Windows\system32\PING.EXE
ping localhost
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gstatic.com | udp |
| GB | 216.58.201.99:443 | gstatic.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 99.201.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.56.20.217.in-addr.arpa | udp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.196.17.2.in-addr.arpa | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 232.137.159.162.in-addr.arpa | udp |
| BE | 2.17.196.177:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 177.196.17.2.in-addr.arpa | udp |
Files
memory/2508-1-0x00007FFD30853000-0x00007FFD30855000-memory.dmp
memory/2508-0-0x0000029BC8980000-0x0000029BC89C0000-memory.dmp
memory/2508-2-0x00007FFD30850000-0x00007FFD31311000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0nkvrye1.jvn.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4472-3-0x000001DABBF40000-0x000001DABBF62000-memory.dmp
memory/4472-13-0x00007FFD30850000-0x00007FFD31311000-memory.dmp
memory/4472-14-0x00007FFD30850000-0x00007FFD31311000-memory.dmp
memory/4472-15-0x00007FFD30850000-0x00007FFD31311000-memory.dmp
memory/4472-18-0x00007FFD30850000-0x00007FFD31311000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 6d3e9c29fe44e90aae6ed30ccf799ca8 |
| SHA1 | c7974ef72264bbdf13a2793ccf1aed11bc565dce |
| SHA256 | 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d |
| SHA512 | 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a |
memory/2508-33-0x0000029BE3160000-0x0000029BE31D6000-memory.dmp
memory/2508-34-0x0000029BE2F80000-0x0000029BE2FD0000-memory.dmp
memory/2508-35-0x0000029BCA600000-0x0000029BCA61E000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | c9b6705519e1eef08f86c4ba5f4286f3 |
| SHA1 | 6c6b179e452ecee2673a1d4fe128f1c06f70577f |
| SHA256 | 0f9cad44a79126871580e19b01dc3f880c5173b1faaf8b9018d5d1f829714705 |
| SHA512 | 6d8f85a7a8b0b124530f36a157cd0441b5c1eacdc35e274af9fbf0569d03d1d5e468651a5b2425f0215c282ecfa7b1ffeaeeaf18612822f00bd14306d30640c7 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 276798eeb29a49dc6e199768bc9c2e71 |
| SHA1 | 5fdc8ccb897ac2df7476fbb07517aca5b7a6205b |
| SHA256 | cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc |
| SHA512 | 0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2 |
memory/2508-72-0x0000029BE3100000-0x0000029BE3112000-memory.dmp
memory/2508-71-0x0000029BCA640000-0x0000029BCA64A000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | ac057a92f4b62d8880169af0693ef5b2 |
| SHA1 | 66e7c7834c5dae5cec863ccd69403150d05841f4 |
| SHA256 | 7cef55990e8e6cfe07e1965b303e79ac562cdc128ab82edf480d9873f72bb3ed |
| SHA512 | d525f47da9e61fc87e55aca6b34e776be3ed081b719bbbb5256705a6afe5fdd4c16d5ee595af13994e2718f789f5fd32830331347d97b029c031c9dfe30c7f49 |
memory/2508-91-0x00007FFD30850000-0x00007FFD31311000-memory.dmp
memory/2508-90-0x0000029BE32B0000-0x0000029BE3459000-memory.dmp