General
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Target
e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7
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Size
27KB
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Sample
221106-hw7rnshcb9
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MD5
115d47da2b4602a57a0ce5e6cedf0d40
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SHA1
30b2edaca0d4d8098dbc225dd6d26e3a048b5a24
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SHA256
e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7
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SHA512
d56cd79fcb88a42f6487356b72b4029b108fd9fe5c8c82d4fd4c9dd4993638cf11adb55fad4987d94ca0763364feff1b90647f87e79e57768ae9ab8d02c8c236
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SSDEEP
384:rPNs6IOSB0Qgns0jfbwFz88AfeQ990P34Pkfj0eohDTkVOhvF27z/985K29T/7Ww:rPNs/OS6zcF48A2Q/0Q2C9yoYf
Behavioral task
behavioral1
Sample
e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
joker
http://mmtie.oss-cn-hangzhou.aliyuncs.com
Targets
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Target
e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7
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Size
27KB
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MD5
115d47da2b4602a57a0ce5e6cedf0d40
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SHA1
30b2edaca0d4d8098dbc225dd6d26e3a048b5a24
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SHA256
e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7
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SHA512
d56cd79fcb88a42f6487356b72b4029b108fd9fe5c8c82d4fd4c9dd4993638cf11adb55fad4987d94ca0763364feff1b90647f87e79e57768ae9ab8d02c8c236
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SSDEEP
384:rPNs6IOSB0Qgns0jfbwFz88AfeQ990P34Pkfj0eohDTkVOhvF27z/985K29T/7Ww:rPNs/OS6zcF48A2Q/0Q2C9yoYf
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Registers COM server for autorun
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Sets file execution options in registry
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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