Analysis
-
max time kernel
138s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 11:47
Behavioral task
behavioral1
Sample
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe
Resource
win10v2004-20240508-en
General
-
Target
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe
-
Size
150KB
-
MD5
d5c26e12be6264033efd9e5e0662a953
-
SHA1
e4570cecc53e5e916c06e38c62221f27af7a1225
-
SHA256
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b
-
SHA512
adbb48ebda59c9b804ddaf4561a0679436987d6deef883d632f0eeb30adbc9c812f09eeefbbaef013f3139a5b6e3665af276a283c5ef73031861b49d01136b55
-
SSDEEP
3072:Ahd295oBFr9DnO/nk4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvM:AaLonr9jgVqwlL
Malware Config
Extracted
xworm
5.0
p-never.gl.at.ply.gg:57388
EKx5toUcZoEkFlZt
-
Install_directory
%AppData%
-
install_file
svchost.exe
Signatures
-
Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4000-0-0x00000000004E0000-0x000000000050C000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\svchost.exe family_xworm -
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.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 1240 powershell.exe 3624 powershell.exe 1064 powershell.exe 2672 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe -
Drops startup file 2 IoCs
Processes:
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe -
Executes dropped EXE 2 IoCs
Processes:
svchost.exesvchost.exepid process 2976 svchost.exe 1636 svchost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 1240 powershell.exe 1240 powershell.exe 1240 powershell.exe 3624 powershell.exe 3624 powershell.exe 3624 powershell.exe 1064 powershell.exe 1064 powershell.exe 1064 powershell.exe 2672 powershell.exe 2672 powershell.exe 2672 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exedescription pid process Token: SeDebugPrivilege 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe Token: SeDebugPrivilege 1240 powershell.exe Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe Token: SeDebugPrivilege 2976 svchost.exe Token: SeDebugPrivilege 1636 svchost.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exedescription pid process target process PID 4000 wrote to memory of 1240 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 1240 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 3624 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 3624 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 1064 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 1064 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 2672 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 2672 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe powershell.exe PID 4000 wrote to memory of 3016 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe schtasks.exe PID 4000 wrote to memory of 3016 4000 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe"C:\Users\Admin\AppData\Local\Temp\28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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\Roaming\svchost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Creates scheduled task(s)
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=4456 /prefetch:81⤵
-
C:\Users\Admin\AppData\Roaming\svchost.exeC:\Users\Admin\AppData\Roaming\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\svchost.exeC:\Users\Admin\AppData\Roaming\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logFilesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.logFilesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD560945d1a2e48da37d4ce8d9c56b6845a
SHA183e80a6acbeb44b68b0da00b139471f428a9d6c1
SHA256314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3
SHA5125d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD537a924b11cf3f7f57fc56898abe9b0e6
SHA15ee379727611f74dc5fa677b65881d4c63e10f95
SHA2566e7f7c5fddb3a0300740fdcbe1a8ec3a0be0f16dff193f9806364a19262b52bf
SHA512903e1badb3577e0b3e92b69491596c9a402b51cdf3de43d5fb06b08c5689d2ff7ba25f8d1497d6527e943d9063a7ee79cbf2b47892de1de3b68cc7ca77853d6f
-
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n50cvueq.3b3.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
150KB
MD5d5c26e12be6264033efd9e5e0662a953
SHA1e4570cecc53e5e916c06e38c62221f27af7a1225
SHA25628c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b
SHA512adbb48ebda59c9b804ddaf4561a0679436987d6deef883d632f0eeb30adbc9c812f09eeefbbaef013f3139a5b6e3665af276a283c5ef73031861b49d01136b55
-
memory/1240-12-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmpFilesize
10.8MB
-
memory/1240-17-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmpFilesize
10.8MB
-
memory/1240-14-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmpFilesize
10.8MB
-
memory/1240-13-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmpFilesize
10.8MB
-
memory/1240-7-0x000001A372260000-0x000001A372282000-memory.dmpFilesize
136KB
-
memory/4000-1-0x00007FF8AEB93000-0x00007FF8AEB95000-memory.dmpFilesize
8KB
-
memory/4000-56-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmpFilesize
10.8MB
-
memory/4000-57-0x00007FF8AEB93000-0x00007FF8AEB95000-memory.dmpFilesize
8KB
-
memory/4000-58-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmpFilesize
10.8MB
-
memory/4000-0-0x00000000004E0000-0x000000000050C000-memory.dmpFilesize
176KB