Analysis
- user interaction
yes - max time kernel
17s - max time network
19s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/04/2026, 00:43
Behavioral task
behavioral1
Sample
explorer.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
explorer.exe
Resource
win10ltsc2021-20260130-en
General
- Target explorer.exe
- Size 96KB
- Sample260429-a264bsbv5j
- SHA256 40863b0157641aa9ebee9b83c94c5ee008bf98f7180b3ddbf1c8bba50d326416
- MD5 12dde285c67be423aa369c8a7392e87b
- SHA1 0aea9c353b3c78fcbdcb2a26a73782bd60b7644d
- SHA512 78146568a1d0c6494ccf937b831e848dacf71757920b74161f9b1bb71d652a3c9dfb97d0aae4c08286bebe446ebbe33d4a6d2d61b87cd37d67c6467cceff9749
- SSDEEP 1536:E61HCe522QOpRJpAzJhhD2HTYwfoTbjab4jl+8ARJn66Ql/OTDQi6CoqtUNvDDDG:E61HCe52eRcz3hqfkab4jQJRJncxOTU8
- TLSH T191A37C4437F64226F1BEAEF254E17BE7DA39FD231502963B18C1B56B2E13884CD40AE5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
3.1
-
uncofig.com:5555
-
Install_directory
%ProgramData%
-
install_file
explorer.exe
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/memory/3040-0-0x0000000000D70000-0x0000000000D8E000-memory.dmp family_xworm behavioral1/files/0x000700000002448b-39.dat family_xworm - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2664 powershell.exe 1992 powershell.exe 672 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2023547815-1162023398-1465618254-1000\Control Panel\International\Geo\Nation explorer.exe - Executes dropped EXE 1 IoCs
pid Process 2560 explorer.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2023547815-1162023398-1465618254-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\ProgramData\\explorer.exe" explorer.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5032 schtasks.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3040 explorer.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2664 powershell.exe 2664 powershell.exe 1992 powershell.exe 1992 powershell.exe 672 powershell.exe 672 powershell.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3040 explorer.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 672 powershell.exe Token: SeDebugPrivilege 2560 explorer.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2664 3040 explorer.exe 86 PID 3040 wrote to memory of 1992 3040 explorer.exe 88 PID 3040 wrote to memory of 672 3040 explorer.exe 90 PID 3040 wrote to memory of 5032 3040 explorer.exe 92 - 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\explorer.exe"C:\Users\Admin\AppData\Local\Temp\explorer.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040 -
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\explorer.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'explorer.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\explorer.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:672
-
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "explorer" /tr "C:\ProgramData\explorer.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:5032
-
-
C:\ProgramData\explorer.exeC:\ProgramData\explorer.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2560
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\explorer.exe
- Size 96KB
- SHA256 40863b0157641aa9ebee9b83c94c5ee008bf98f7180b3ddbf1c8bba50d326416
- MD5 12dde285c67be423aa369c8a7392e87b
- SHA1 0aea9c353b3c78fcbdcb2a26a73782bd60b7644d
- SHA512 78146568a1d0c6494ccf937b831e848dacf71757920b74161f9b1bb71d652a3c9dfb97d0aae4c08286bebe446ebbe33d4a6d2d61b87cd37d67c6467cceff9749
- SSDEEP 1536:E61HCe522QOpRJpAzJhhD2HTYwfoTbjab4jl+8ARJn66Ql/OTDQi6CoqtUNvDDDG:E61HCe52eRcz3hqfkab4jQJRJncxOTU8
- TLSH T191A37C4437F64226F1BEAEF254E17BE7DA39FD231502963B18C1B56B2E13884CD40AE5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- TLSH T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 43ec39d124ebadf53f254b9aef5f1d2f73526a681682d0409af5e34beb8737d8
- MD5 ea2f44a25582e20c2e1d21c73bbd4fa1
- SHA1 d63ef1804bad1a542aeb3cf5111cd86a9111d7a1
- SHA512 49ed57cd127b56793cf2bc1dfae0ccb45d3a9eaaf9475ea7ec65b4d6782c0b846b832bedfa19e65c4b54d7a7b19dfd177bfcb3e0fadad8640c4bb6515ee2c835
- TLSH T141112223F38C8921CC96163A509DAC5172B586CB81AEDF9F7FC0C210A1BF584CB61294
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 24522f12ccd8284ed705803f2c1a3b12ba7d675d300fed443ca9eb55fead55fb
- MD5 465286a9b31a4fa4831f9d3a2925c88e
- SHA1 4ba832802f83872ff47a59ace1057bceb38a1955
- SHA512 84e4d5f00257670fea86e4397f3b814174609daf24488a82c4ce726f81b5891561a8c56d4053c76a8bc27318685d482dae5e15ba28c1cd14049c15bd552f95f5
- TLSH T16B112233F38C8961CC86163950ADAC5172B686DB81AEDF9F7FC0C210E1BF584CBA1194
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mobjt00f.ttp.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH