Analysis Overview
SHA256
49baec577965e592ac1b646cbc8a669ad597bfc1c3bac56dbf5ae414a79f1c24
Threat Level: Known bad
The file Yandex Music.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Xworm family
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
Checks computer location settings
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-15 11:05
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 11:05
Reported
2024-06-15 11:08
Platform
win7-20240508-en
Max time kernel
121s
Max time network
121s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Svchost.lnk | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Svchost.lnk | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Svchost.exe | N/A |
| N/A | N/A | C:\ProgramData\Svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\ProgramData\\Svchost.exe" | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe
"C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Yandex Music.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Svchost.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Svchost" /tr "C:\ProgramData\Svchost.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {0ACAA326-9C27-447F-AB02-89AA47075AF3} S-1-5-21-268080393-3149932598-1824759070-1000:UHRQKJCP\Admin:Interactive:[1]
C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| US | 8.8.8.8:53 | may-transmit.gl.at.ply.gg | udp |
Files
memory/2928-0-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp
memory/2928-1-0x0000000000C60000-0x0000000000C88000-memory.dmp
memory/2928-2-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp
memory/2616-8-0x0000000002D90000-0x0000000002E10000-memory.dmp
memory/2928-7-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp
memory/2616-9-0x000000001B7D0000-0x000000001BAB2000-memory.dmp
memory/2616-10-0x0000000001E70000-0x0000000001E78000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 469e967e753594d31bd9512d4e45b266 |
| SHA1 | 04c434eb5e6d206b5372891f423cfd5bf4c55fa7 |
| SHA256 | 3d7c48da8efe248f9448c17549d0975b3e8244b07eb5f036d95326425db515e1 |
| SHA512 | 79660f2b5bf0ca7815ac2fa5ab5ce10749bcddd539d36b59f3b3c118fac39f0f2f600d91161ee383b17a39acddfadced3895d4cfb589c993f4df4912c256849d |
memory/2476-17-0x00000000021D0000-0x00000000021D8000-memory.dmp
memory/2476-16-0x000000001B590000-0x000000001B872000-memory.dmp
\??\PIPE\srvsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2928-34-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp
C:\ProgramData\Svchost.exe
| MD5 | dd5b316ece86e5b0c359ba72434c1db8 |
| SHA1 | 55d021a330376a0255b9a4dbc421f1398e620e23 |
| SHA256 | 49baec577965e592ac1b646cbc8a669ad597bfc1c3bac56dbf5ae414a79f1c24 |
| SHA512 | fc897f4e8ce6ab650714344201634eff390dd307beb802df204fea7e46aa0acac1f7651493a18ce4df73299dbbb169a70d0b91fdf168beb01cfb120f8afbb5af |
memory/816-38-0x0000000001290000-0x00000000012B8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 11:05
Reported
2024-06-15 11:08
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Svchost.lnk | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Svchost.lnk | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Svchost.exe | N/A |
| N/A | N/A | C:\ProgramData\Svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\ProgramData\\Svchost.exe" | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe
"C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Yandex Music.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Yandex Music.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Svchost.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Svchost" /tr "C:\ProgramData\Svchost.exe"
C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
Files
memory/1748-0-0x00007FF89DDC3000-0x00007FF89DDC5000-memory.dmp
memory/1748-1-0x0000000000620000-0x0000000000648000-memory.dmp
memory/1748-2-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp
memory/4960-12-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pcxu1n2j.yve.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4960-13-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp
memory/4960-14-0x000001A9CB900000-0x000001A9CB922000-memory.dmp
memory/4960-15-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp
memory/4960-18-0x00007FF89DDC0000-0x00007FF89E881000-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 | 77d622bb1a5b250869a3238b9bc1402b |
| SHA1 | d47f4003c2554b9dfc4c16f22460b331886b191b |
| SHA256 | f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb |
| SHA512 | d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | ba169f4dcbbf147fe78ef0061a95e83b |
| SHA1 | 92a571a6eef49fff666e0f62a3545bcd1cdcda67 |
| SHA256 | 5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1 |
| SHA512 | 8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 4178a021dab6578724f63a6a72b9b13b |
| SHA1 | 8e5d61c21edaafe4e2257ebe53f9b37b723838b7 |
| SHA256 | 347338241585c510bb1fafae13447879318610ca4d844b0e73089957911d77fe |
| SHA512 | 0f49991948129415c2a02298072055d4de521e4a8cb9ae887bb2096683668fcb491b99d58fd6e239463a5ac981d756c4b2827cb52c1e1253b9cb114095e140c9 |
memory/1748-57-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp
C:\ProgramData\Svchost.exe
| MD5 | dd5b316ece86e5b0c359ba72434c1db8 |
| SHA1 | 55d021a330376a0255b9a4dbc421f1398e620e23 |
| SHA256 | 49baec577965e592ac1b646cbc8a669ad597bfc1c3bac56dbf5ae414a79f1c24 |
| SHA512 | fc897f4e8ce6ab650714344201634eff390dd307beb802df204fea7e46aa0acac1f7651493a18ce4df73299dbbb169a70d0b91fdf168beb01cfb120f8afbb5af |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Svchost.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |