Static task
static1
Behavioral task
behavioral1
Sample
BerserkBear Downloader.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
BerserkBear Downloader.exe
Resource
win10v2004-20240319-en
General
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Target
BerserkBear Downloader.bin
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Size
3.0MB
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MD5
f7c5d117c91bd22fa17d2d5444ff7ab7
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SHA1
df74d60e69213dec424f1d2c02554a7cd36efded
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SHA256
cb3306aecb05fccaac51a036f361991745a4ef90d8d9ec713d783c88605ea556
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SHA512
ad2031003bb04e20a52ec0a335735341c0c77d3bbe20b644db3867cedf808993ece784ef9c5801e5f079958d361108aa0269869b4619fedcd95206f57fc9d754
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SSDEEP
49152:CnJ97kOsg9TmxMjVGu8e6BYjJOcxCOInS35WmxWTj:k97n9TIMCpYjEYyj
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BerserkBear Downloader.bin
Files
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BerserkBear Downloader.bin.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 2.8MB - Virtual size: 2.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 159KB - Virtual size: 249KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 978B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ