Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 09:48
Static task
static1
Behavioral task
behavioral1
Sample
c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace.exe
Resource
win7-20240708-en
General
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Target
c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace.exe
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Size
686KB
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MD5
44adb05457d354014bd7b663c4768892
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SHA1
f3a5cbd19cae38d03ce9792ec7770ca00639e812
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SHA256
c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace
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SHA512
6f870752d03c2f9083f46013ac3d057debc45d36f0d880ec12725d53f5f19bea964ced664f477aedbb2c79e881a47158e4dd07884ccc52e330c42cdb663b8505
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SSDEEP
12288:WDIl5j/JEDC4z1EzPwSE5y4jE5O6txIwyiHzrEDS0:WDIl5AC1zYSE5yhjGniH3E
Malware Config
Extracted
xenorat
96.126.118.61
Microsoft Windows_3371808
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delay
5000
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install_path
appdata
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port
4444
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startup_name
svchost.exe
Signatures
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Xenorat family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ svchost.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation extracted_payload.exe -
Executes dropped EXE 2 IoCs
pid Process 4548 extracted_payload.exe 2988 svchost.exe -
resource yara_rule behavioral2/files/0x000a000000023b8d-8.dat themida behavioral2/memory/2988-32-0x0000000000F00000-0x00000000018A4000-memory.dmp themida behavioral2/memory/2988-33-0x0000000000F00000-0x00000000018A4000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 3 raw.githubusercontent.com 4 raw.githubusercontent.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2988 svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
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 2544 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe 2988 svchost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2988 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1012 wrote to memory of 4548 1012 c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace.exe 82 PID 1012 wrote to memory of 4548 1012 c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace.exe 82 PID 4548 wrote to memory of 2988 4548 extracted_payload.exe 84 PID 4548 wrote to memory of 2988 4548 extracted_payload.exe 84 PID 4548 wrote to memory of 2988 4548 extracted_payload.exe 84 PID 2988 wrote to memory of 2544 2988 svchost.exe 90 PID 2988 wrote to memory of 2544 2988 svchost.exe 90 PID 2988 wrote to memory of 2544 2988 svchost.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace.exe"C:\Users\Admin\AppData\Local\Temp\c056638ae3452cddf858121518abe039b2e75e6a4d4ba40fc27340ef5d1aeace.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Users\Admin\AppData\Local\Temp\extracted_payload.exe"C:\Users\Admin\AppData\Local\Temp\extracted_payload.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "svchost.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD774.tmp" /F4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
204KB
MD5d45f2292784bc9e8a19d093e9950673f
SHA17c4e46b465680ef32ff55fc17916a5f4f6f9dbd5
SHA256a2763124af5630502ace78bd406f0ff15ba6701b29fe38a6a3d60c1e65e9ce73
SHA512a14cbac8377689b06c126c3ee71cc79c8b06e1650ecf0d29c7963425d1842dafb0fd6e1a66df1411cec487f6dcc5b696ee3d7a3f623773be61fd0b7a96646989
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Filesize
3.9MB
MD59ce8e0cbb54f24de304851e0b7226c0a
SHA11db4c3d746ea0ad15e98ed3a2b96c2ca09fb1366
SHA25659cd7e7b0c1c0760cb9499775184b02d8a8e3188bacd9420b04987b0b5724eb5
SHA512fe5fd7e0f40074e45ad5a1709ff72670d47c2cb5e383cc9f6f4baccb21374a334d2ca1d970534f8815ae9a68c1e1f27b6517e3f8eb0a365b390686d61d0e97f8
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Filesize
1KB
MD51e9f25c9b09e3ccff8ed92426ee69726
SHA19078fd487ebeb8617fb03ed4a1b29a4e310f79e1
SHA256f7cd207422063ed60b798c72ce8e68990026a7f45c2a79fe4445bf8a139783c0
SHA5124713347c5fb8f30fe6e218ffc3b0b5309fc8986cf1e909b588dd1a5c139caad4fed7ef3c0a410b6147ec6c3a95b6647e25b702684ea99d1b8cf8c7b925d0e4f8