Analysis Overview
SHA256
f4deeaeaf6a4173c46ef5df50139cd54d144dc0cc0d685b2717c1590cc8b1b1b
Threat Level: Known bad
The file file.exe was found to be: Known bad.
Malicious Activity Summary
Stealerium
Xworm family
Detect Xworm Payload
Xworm
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Delays execution with timeout.exe
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-15 18:24
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
2024-05-15 18:24
Reported
2024-05-15 18:26
Platform
win7-20240419-en
Max time kernel
120s
Max time network
151s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stealerium
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\RuntimeBroker.lnk | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lktjyt.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.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\file.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\lktjyt.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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\file.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'file.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\RuntimeBroker.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe'
C:\Users\Admin\AppData\Local\Temp\lktjyt.exe
"C:\Users\Admin\AppData\Local\Temp\lktjyt.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5E84.tmp.bat
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 1588
C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | publisher-misc.gl.at.ply.gg | udp |
| US | 147.185.221.17:58207 | publisher-misc.gl.at.ply.gg | tcp |
| US | 147.185.221.17:58207 | publisher-misc.gl.at.ply.gg | tcp |
Files
memory/2364-0-0x000007FEF4CA3000-0x000007FEF4CA4000-memory.dmp
memory/2364-1-0x0000000000F20000-0x0000000000F34000-memory.dmp
memory/2920-6-0x00000000029F0000-0x0000000002A70000-memory.dmp
memory/2920-7-0x000000001B8E0000-0x000000001BBC2000-memory.dmp
memory/2920-8-0x0000000001E10000-0x0000000001E18000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 609d7a90c687e69f4bdfbd0b3b4fb590 |
| SHA1 | a39ba8f17c8116eac74bc5b83434a249df3eff83 |
| SHA256 | 4713ff7ea6fa9968b3664a42758955b59913e4b92b7dde98ce1d06a1ce7bb002 |
| SHA512 | 3cfbee6d27527c5998c391f250d6d149643072815e01854c79b0e84e4b6edb32321a8ecb2b88e4b964c9471535141ee310b946b160cf769905b999a239b63883 |
memory/2744-14-0x000000001B6C0000-0x000000001B9A2000-memory.dmp
memory/2744-15-0x0000000001D80000-0x0000000001D88000-memory.dmp
memory/2364-30-0x000000001B1D0000-0x000000001B250000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lktjyt.exe
| MD5 | 6627adf7167ee571e8fd6c8b1a0e8ae3 |
| SHA1 | 03b9112660ee73c59d84e219f15bf24ae9df48db |
| SHA256 | 6c5935bcddaa1d4f809487f66db758e892cc0a7fd7704d138904bc879644ea1f |
| SHA512 | e05896a6e0d09d4dafeb2467395ca06ae1e728a4aa079041dea82940caeb71646984604fdeea482748423b10257b8462db4f573682f9f719939143fdb5691c60 |
memory/1588-37-0x00000000011C0000-0x0000000001352000-memory.dmp
memory/2364-38-0x0000000000890000-0x000000000089E000-memory.dmp
memory/2364-39-0x000000001D370000-0x000000001D6C0000-memory.dmp
memory/2364-40-0x000007FEF4CA3000-0x000007FEF4CA4000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5E84.tmp.bat
| MD5 | 11184bca4ce016b9e00b3ead32c9b16b |
| SHA1 | 406adb50b7e2fbf0661a01219adede3680d12aaa |
| SHA256 | dba695fd11bd2141aaec8516df5de78b9fd8b62506fba0154af38f68681c36f0 |
| SHA512 | 4435aced15e4d51f423e23e7919b13bc39188f48f74ce12e87ea1a7b4dfff12ff3efb832e1d02115548c221553d0a36f0e4b3a14fe71ca2232ca04c16edf0e31 |
memory/2364-43-0x000000001B1D0000-0x000000001B250000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-15 18:24
Reported
2024-05-15 18:26
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stealerium
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\vjbdyr.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vjbdyr.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.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\file.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\vjbdyr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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\file.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'file.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\RuntimeBroker.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe'
C:\Users\Admin\AppData\Local\Temp\vjbdyr.exe
"C:\Users\Admin\AppData\Local\Temp\vjbdyr.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpB45C.tmp.bat
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 320
C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 88.221.83.184:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.83.221.88.in-addr.arpa | udp |
| BE | 88.221.83.184:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | publisher-misc.gl.at.ply.gg | udp |
| US | 147.185.221.17:58207 | publisher-misc.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 17.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 147.185.221.17:58207 | publisher-misc.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.73.42.20.in-addr.arpa | udp |
Files
memory/2256-0-0x00007FFC198A3000-0x00007FFC198A5000-memory.dmp
memory/2256-1-0x0000000000810000-0x0000000000824000-memory.dmp
memory/3624-2-0x000001BEAFFB0000-0x000001BEAFFD2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z45ou3qe.wr2.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3624-12-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp
memory/3624-13-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp
memory/3624-14-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp
memory/3624-17-0x00007FFC198A0000-0x00007FFC1A361000-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 | 59d97011e091004eaffb9816aa0b9abd |
| SHA1 | 1602a56b01dd4b7c577ca27d3117e4bcc1aa657b |
| SHA256 | 18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d |
| SHA512 | d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 67c47240cc90de5d56338fdedb9ce2a2 |
| SHA1 | f56c843e20711a744638ec85842a82f437cfde68 |
| SHA256 | 8e7dd332a5db18a40196355226f95137965757cfc87d25d133557e5e097cab3d |
| SHA512 | ac74960d342e1885a5522a4e1422c43cb4c3056c0d5dacad438c345efdfe26bd9d015a1ef4bd24c90c6db4f7d6687a992c834f638b045a7b2500404e242f855a |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d8cb3e9459807e35f02130fad3f9860d |
| SHA1 | 5af7f32cb8a30e850892b15e9164030a041f4bd6 |
| SHA256 | 2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68 |
| SHA512 | 045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184 |
memory/2256-56-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp
memory/2256-57-0x000000001BEF0000-0x000000001BEFE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\vjbdyr.exe
| MD5 | 6627adf7167ee571e8fd6c8b1a0e8ae3 |
| SHA1 | 03b9112660ee73c59d84e219f15bf24ae9df48db |
| SHA256 | 6c5935bcddaa1d4f809487f66db758e892cc0a7fd7704d138904bc879644ea1f |
| SHA512 | e05896a6e0d09d4dafeb2467395ca06ae1e728a4aa079041dea82940caeb71646984604fdeea482748423b10257b8462db4f573682f9f719939143fdb5691c60 |
memory/320-69-0x00000000005C0000-0x0000000000752000-memory.dmp
memory/320-70-0x0000000004FA0000-0x0000000005006000-memory.dmp
memory/2256-71-0x000000001DAD0000-0x000000001DE20000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB45C.tmp.bat
| MD5 | 737cdc95481994264c5bacb4d5906571 |
| SHA1 | 5f76b6fe71aaba062508906943ae593c6c29f54d |
| SHA256 | 4f444d5dab15f576834e85e963bb59f88a55cc72f852c96d2ae4be7406a13402 |
| SHA512 | 2c7eee63284df46deb63b751f668f44083449d9d7a3db04f3998a6f3ad2e76aa496b172ebeffb5587834346237ee492379632e55fb6f444645e6c715b42b2080 |
memory/2256-74-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp