Analysis
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max time kernel
7s -
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
25-10-2024 18:11
Behavioral task
behavioral1
Sample
ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe
Resource
win10v2004-20241007-en
General
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Target
ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe
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Size
70KB
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MD5
acc594e4d7fba75dded3fe9c135adb20
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SHA1
e648845ed11dd194fb771c61bc14c5eac129b642
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SHA256
ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771
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SHA512
8528f49d17aa46b760bb0755abf0d821db3bd77f2e95ccfd1035f77db266a510d3c2a2a15e1ea444b540819af2ae988996f67f8379a77e42e18c27eb46f3e907
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SSDEEP
1536:gFTnqpKxynVHGeifCSzTPb542HkLbvJfxa:gFTqGeifrvb59H+bvJ5a
Malware Config
Signatures
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BlackNET payload 1 IoCs
resource yara_rule behavioral2/files/0x00050000000229c7-18.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/0x00050000000229c7-18.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe -
Executes dropped EXE 1 IoCs
pid Process 2340 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe" ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.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 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4340 wrote to memory of 2340 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 91 PID 4340 wrote to memory of 2340 4340 ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe"C:\Users\Admin\AppData\Local\Temp\ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4340 -
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:2340
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD5acc594e4d7fba75dded3fe9c135adb20
SHA1e648845ed11dd194fb771c61bc14c5eac129b642
SHA256ea40fae1fcaec1107a89480b3b21216182eafc64cea03128df398d74b46d8771
SHA5128528f49d17aa46b760bb0755abf0d821db3bd77f2e95ccfd1035f77db266a510d3c2a2a15e1ea444b540819af2ae988996f67f8379a77e42e18c27eb46f3e907