Behavioral task
behavioral1
Sample
BigSurControlCenter/ControlCenter/nircmd.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
BigSurControlCenter/ControlCenter/nircmd.exe
Resource
win10v2004-20240412-en
General
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Target
BigSurControlCenter.rar
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Size
490KB
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MD5
79b908e58a421f5e037cafa67af1089b
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SHA1
dea20ddb4b7adb53feafcc19d0c19ad6181d43df
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SHA256
4dbef58b76e5797e793f56e689108b5988bef74cb2ea25a2799990bc3e5dd66f
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SHA512
00eff7b75b0812641e47d03feae325cd32b40285f67021f9b2ea9539b289db5fae83ff7bd0f6bfa622117c3c46b559f44860d94418369eca4b46a35882da101f
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SSDEEP
12288:LsOVyZ29gjHhNB81FwRCXlpof9kirkiMMacPxj3Q8dws74j:wO4Tfe1FwRCVpuj1MQxg8dwF
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/BigSurControlCenter/ControlCenter/nircmd.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/BigSurControlCenter/ControlCenter/nircmd.exe unpack002/out.upx
Files
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BigSurControlCenter.rar.rar
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BigSurControlCenter/@Resources/Images/BBar.png.png
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BigSurControlCenter/@Resources/Images/Next.png.png
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BigSurControlCenter/@Resources/Images/Pause.png.png
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BigSurControlCenter/@Resources/Images/Play.png.png
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BigSurControlCenter/@Resources/Images/VBar.png.png
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BigSurControlCenter/@Resources/Images/VBar1.png.png
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BigSurControlCenter/@Resources/Images/VN.n1.png.png
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BigSurControlCenter/@Resources/Images/brightness.png.png
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BigSurControlCenter/@Resources/Images/cover.png.jpg
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BigSurControlCenter/@Resources/Images/down.png.png
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BigSurControlCenter/@Resources/Images/home.png.png
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BigSurControlCenter/@Resources/Images/ip.png.png
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BigSurControlCenter/@Resources/Images/mute.png.png
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BigSurControlCenter/@Resources/Images/nocover.png.png
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BigSurControlCenter/@Resources/Images/office.png.png
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BigSurControlCenter/@Resources/Images/program.png.png
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BigSurControlCenter/@Resources/Images/search.png.png
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BigSurControlCenter/@Resources/Images/sound.png.png
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BigSurControlCenter/@Resources/Images/toggle_off.png.png
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BigSurControlCenter/@Resources/Images/toggle_on.png.png
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BigSurControlCenter/@Resources/Images/up.png.png
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BigSurControlCenter/@Resources/Images/wifi.png.png
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BigSurControlCenter/@Resources/Sounds/MSVolume.wav
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BigSurControlCenter/@Resources/Sounds/Noti.wav
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BigSurControlCenter/@Resources/Variables.inc
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BigSurControlCenter/@Resources/WeatherIcons/Sleet.png.png
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BigSurControlCenter/@Resources/WeatherIcons/clear_day.png.png
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BigSurControlCenter/@Resources/WeatherIcons/clear_night.png.png
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BigSurControlCenter/@Resources/WeatherIcons/cloudy.png.png
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BigSurControlCenter/@Resources/WeatherIcons/fog.png.png
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BigSurControlCenter/@Resources/WeatherIcons/partly_cloudy_day.png.png
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BigSurControlCenter/@Resources/WeatherIcons/partly_cloudy_night.png.png
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BigSurControlCenter/@Resources/WeatherIcons/rain.png.png
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BigSurControlCenter/@Resources/WeatherIcons/snow.png.png
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BigSurControlCenter/@Resources/WeatherIcons/wind.png.png
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BigSurControlCenter/ControlCenter/CC.ini
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BigSurControlCenter/ControlCenter/nircmd.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 60KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 39KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 61KB - Virtual size: 60KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 18KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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BigSurControlCenter/Menu/MenuBar.ini