Analysis
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max time kernel
112s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2025, 02:17
Behavioral task
behavioral1
Sample
2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
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Size
192KB
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MD5
7c47ea730d0d9201dfb31d80c4bf16ce
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SHA1
85de8ad640c8b2c5e186f4bdf1819870afeac2b8
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SHA256
a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2
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SHA512
5c708b9a251263de8f2c6619f0515fd3ea3bc1b8be837b778223983cb97f182c36bd7332dbd79c701793038b805b304033a858f104d283f400b3af90bca5237d
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SSDEEP
6144:jmpsdZuN2iRzjMelR74/gU8G9CbGCrmsE/93ffk8q98R77Hg3c05yH+lDAA:jmpsdZuN2iRzjBlR74/gU8G9CbGCrmsz
Malware Config
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/1948-1-0x0000000000E50000-0x0000000000E86000-memory.dmp family_xworm behavioral2/files/0x000500000001e435-8.dat family_xworm -
Xworm family
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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-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe -
Executes dropped EXE 2 IoCs
pid Process 3932 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe 4036 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear = "C:\\Users\\Admin\\AppData\\Roaming\\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe" 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 3540 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1948 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe Token: SeDebugPrivilege 3932 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe Token: SeDebugPrivilege 4036 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1948 wrote to memory of 3540 1948 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe 88 PID 1948 wrote to memory of 3540 1948 2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe 88 -
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
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C:\Users\Admin\AppData\Local\Temp\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear" /tr "C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:3540
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C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exeC:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exeC:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4036
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe.log
Filesize1KB
MD5fde7cc81ed0c50e7ce18702102f19ace
SHA1e9f02b348fda9b22bb3999b4ebef4d366f153086
SHA25600ac4add3fbf73f31bdeb249969dddc68da554c9e9383ec524d63c64dc3f4b53
SHA51275bf55c4f619948f16e29f51008d026e7789eda82615f566b150d54f5769b64d7fe1a6ff8be458e2630be621c551183dfe272ce0a579024065cbc2b4b26f4bf5
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Filesize
192KB
MD57c47ea730d0d9201dfb31d80c4bf16ce
SHA185de8ad640c8b2c5e186f4bdf1819870afeac2b8
SHA256a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2
SHA5125c708b9a251263de8f2c6619f0515fd3ea3bc1b8be837b778223983cb97f182c36bd7332dbd79c701793038b805b304033a858f104d283f400b3af90bca5237d