Analysis
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max time kernel
5s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 20:53
Behavioral task
behavioral1
Sample
d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe
Resource
win10v2004-20241007-en
General
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Target
d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe
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Size
70KB
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MD5
653f8b08a619a7dcb179de3411735320
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SHA1
8d5e8d215e7f78d5a2f9a63b78f6e4bc71133db0
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SHA256
d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7
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SHA512
680f179aae9f52d5a8880766713298e3bcde96a16a06ef9b0b1b45d3d7fda085636c3f0e656b359d65f7729f52f6b08d40d5dbc14476efb326be9ce70fab4b82
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SSDEEP
1536:gFTnqpKxynVBGeifCSzTPb542HkLbvJfxa:gFTQGeifrvb59H+bvJ5a
Malware Config
Signatures
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BlackNET payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b50-18.dat family_blacknet -
Blacknet family
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/files/0x000c000000023b50-18.dat disable_win_def -
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe -
Executes dropped EXE 1 IoCs
pid Process 2876 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe" d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2876 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 90 PID 2444 wrote to memory of 2876 2444 d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe"C:\Users\Admin\AppData\Local\Temp\d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
PID:2876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD5653f8b08a619a7dcb179de3411735320
SHA18d5e8d215e7f78d5a2f9a63b78f6e4bc71133db0
SHA256d4e4cf8c41bb1577b18afd03749b5ea4b575e24051714e55a97c008ddc678dd7
SHA512680f179aae9f52d5a8880766713298e3bcde96a16a06ef9b0b1b45d3d7fda085636c3f0e656b359d65f7729f52f6b08d40d5dbc14476efb326be9ce70fab4b82