Static task
static1
Behavioral task
behavioral1
Sample
BK7231Flasher.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
BK7231Flasher.exe
Resource
win10v2004-20230220-en
General
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Target
BK7231Flasher.exe
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Size
234KB
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MD5
9fe72cf29060be39dc4e63a45a0ec08b
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SHA1
42a56bbdf96db81bb4859683274771aedf1ab196
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SHA256
831c6907fd9eeb142695c4dc309ad527172ff62c978d6063b3bff2ef0fd12620
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SHA512
f4b3892c74328caa2a0f4e54de16639408dea731c5908003d874644b82cb0f6652b52a6966a88767a35f73431a0bdd5b9c76ebddbfa023708751ad8e009a9ebd
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SSDEEP
3072:KoMLvVhkU8QPOXgwi7T468ozGb/sINHe5LYjkqmN6xcGPA0WUBElefztnSQdWQ8s:MVhkU8QPOXJVK9jQtnSQs+O2p
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BK7231Flasher.exe
Files
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BK7231Flasher.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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: 156KB - Virtual size: 156KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 76KB - Virtual size: 76KB
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