Behavioral task
behavioral1
Sample
checker_by_meister.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
checker_by_meister.exe
Resource
win10v2004-20240226-en
General
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Target
b90a2193e17fa56ec8d033959abb492b
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Size
232KB
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MD5
b90a2193e17fa56ec8d033959abb492b
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SHA1
a11a7375cab6ad227548a6237472c882ae2e02a5
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SHA256
3f34803f66f31a9dcb0753a12ad0a8553478f7d50d3905cd44c0c0d0fd77f3cc
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SHA512
6c08237cd5819c9a7ea9ca9b95764f4b87bce239164939161260d05446cb0b8c2ed5df1296ee962a938063bba7e9281476281fa175c22a8ea5ad9b93c4f65952
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SSDEEP
6144:Tj0B/QWAVqLtOx/l8HQGtT+FTwC0Lq3S3zq17ZKSWHfRUWw:8BbAVqM/l8HQYqFb0G3S3e1FKSWH5Ut
Malware Config
Signatures
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resource yara_rule static1/unpack001/checker_by_meister.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/checker_by_meister.exe unpack002/out.upx
Files
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b90a2193e17fa56ec8d033959abb492b.rar
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checker_by_meister.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 444KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 163KB - Virtual size: 164KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 141KB - Virtual size: 144KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 339KB - Virtual size: 339KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 2KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 194KB - Virtual size: 194KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ