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Analysis
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max time kernel
96s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 01:12
Behavioral task
behavioral1
Sample
1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe
Resource
win10v2004-20240802-en
General
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Target
1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe
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Size
170KB
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MD5
a805c895c507a30f12e39e04f55a7bf1
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SHA1
1871cc40e2c48397f54d96d6be8fe07c0b615fa1
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SHA256
1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba
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SHA512
5b1b85a835c0d2f5253e2d421541344b1798365a8f25131f73b12df578958b257ab89d602ebff8974750dd76cf2fe5195ef9da6f7f017f180927f771121c02e1
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SSDEEP
3072:T7FTPCDwNXHwR8bOH9yE8OB7SnFTM+lmsolAIrRuw+mqv9j1MWLQM:T7FTaDwRk8b09N/7S4+lDAA
Malware Config
Extracted
xworm
127.0.0.1:1234
143.198.208.124:1234
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Install_directory
%Temp%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/2512-1-0x0000000000800000-0x0000000000830000-memory.dmp family_xworm behavioral2/files/0x000b0000000233d6-9.dat family_xworm -
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe -
Executes dropped EXE 2 IoCs
pid Process 1116 XClient.exe 1596 XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe" 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 27 ip-api.com -
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 3356 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2512 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2512 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe Token: SeDebugPrivilege 2512 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe Token: SeDebugPrivilege 1116 XClient.exe Token: SeDebugPrivilege 1596 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2512 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2512 wrote to memory of 3356 2512 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe 92 PID 2512 wrote to memory of 3356 2512 1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.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
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C:\Users\Admin\AppData\Local\Temp\1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe"C:\Users\Admin\AppData\Local\Temp\1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Local\Temp\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:3356
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C:\Users\Admin\AppData\Local\Temp\XClient.exeC:\Users\Admin\AppData\Local\Temp\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1116
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C:\Users\Admin\AppData\Local\Temp\XClient.exeC:\Users\Admin\AppData\Local\Temp\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1596
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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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
170KB
MD5a805c895c507a30f12e39e04f55a7bf1
SHA11871cc40e2c48397f54d96d6be8fe07c0b615fa1
SHA2561f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba
SHA5125b1b85a835c0d2f5253e2d421541344b1798365a8f25131f73b12df578958b257ab89d602ebff8974750dd76cf2fe5195ef9da6f7f017f180927f771121c02e1