Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
12/11/2024, 12:15
Static task
static1
Behavioral task
behavioral1
Sample
bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe
Resource
win10v2004-20241007-en
General
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Target
bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe
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Size
83KB
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MD5
564a16d5e90b382bc97387e30b1bb410
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SHA1
c46f6a63522ff0a955084e4deca895c7375d3fc9
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SHA256
bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267
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SHA512
678d6d487613d5cea5e867a48d4ad9a3443073488fdcb9fdff488f1b902fccb700e68b44416575ea1cbfcebd743d91f9c31b0453e2f00b0e86eb1b998255f532
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SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhS:NAoglOwvl4ulkP6vghzwYu7vih9GueIt
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2132 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2132 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2156 wrote to memory of 2132 2156 bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe 30 PID 2156 wrote to memory of 2132 2156 bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe 30 PID 2156 wrote to memory of 2132 2156 bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe 30 PID 2156 wrote to memory of 2132 2156 bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe"C:\Users\Admin\AppData\Local\Temp\bf5899ffd7c5a806928951cae770d054513b7604e259ea237d1fcd7cbd461267N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2132
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
83KB
MD57c794c57333d31e8bf8eb814b51ba843
SHA17637b56f7c32fcf2ab280af36e303bb016181a6e
SHA2560c1064d60cdbdbda6d127dc4aa11c2c2158f61ee03045a55c67a4be5256e77a0
SHA512e542865a0579a04688c1f952fa3d11aee27be565f834a51785470216a404d287f13c86d3ef38ede6ced6e60d0006e50c0fbb37bae0ff5bbc3049c8b7d040f720