Static task
static1
Behavioral task
behavioral1
Sample
Brawlearth.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Brawlearth.exe
Resource
win10v2004-20230221-en
General
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Target
brawlearth.zip
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Size
29.4MB
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MD5
f863b4d85b5acf34638970760ede1223
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SHA1
a34c31f28148e588a7b18531a814af8ce8e62f8d
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SHA256
bc661f7822b4cf1ce1c36d4a7d5c67ea6969bd51b0e6776d277d6e28d0a580ca
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SHA512
eaf4588aea9ffb71734e1db163449edc7e1c7648419fb6de78730d39a628395dc437cf295c8871231168e5134de52c1ec5aa0221aa12056945f2f124e6d05bf0
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SSDEEP
393216:PIgP/Xo9wQM/yoBYis5OBA7PKiUG9KW+t6Mj/O6vnjvWoxC9ESaJ+d0mzVc9oVxJ:PjkwQM/1BrgT4XD7njAaBmgCxH6K9
Malware Config
Signatures
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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 static1/unpack001/Brawlearth.exe disable_win_def -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Brawlearth.exe
Files
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brawlearth.zip.zip
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Brawlearth.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 53.8MB - Virtual size: 53.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 117KB - Virtual size: 117KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ