Behavioral task
behavioral1
Sample
2024-05-28_4f2e7d190cd21fb435f544eb51eec202_bkransomware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_4f2e7d190cd21fb435f544eb51eec202_bkransomware.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_4f2e7d190cd21fb435f544eb51eec202_bkransomware
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Size
6.2MB
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MD5
4f2e7d190cd21fb435f544eb51eec202
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SHA1
1a07aa13787ff5f25b1d665736a0918b333ade18
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SHA256
915f97da536ed3e4c26ff5f58109412188c724d06e307a99b2b2df7bb5d48134
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SHA512
6094c9ea5285c94679b665842d7721a2f96a7bc0385d848871d24a2b4ae70f6681afcb1e050a1f307f3326b87c2455cfbca9f6a1ce10bd13662f15bfc2784939
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SSDEEP
98304:eskLU9e4Y/mJ08ZklSMXG3zsqkx4GjDBvFC:XLQDRURkx4GZ
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-28_4f2e7d190cd21fb435f544eb51eec202_bkransomware
Files
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2024-05-28_4f2e7d190cd21fb435f544eb51eec202_bkransomware.exe windows:6 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 4.5MB - Virtual size: 4.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 42KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 14KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 179KB - Virtual size: 180KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE