Behavioral task
behavioral1
Sample
202405211a86d35de425a8584a86a11fa206542bcryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
202405211a86d35de425a8584a86a11fa206542bcryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
202405211a86d35de425a8584a86a11fa206542bcryptolocker.bin
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Size
74KB
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MD5
1a86d35de425a8584a86a11fa206542b
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SHA1
f48ffe9f072fd17c7321dc9aeb18907b0d4c6df4
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SHA256
e23c0471a1a1804c730211d54852c1d40db74c11ef34bc81852a4eab8d90949a
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SHA512
bd4118aef44c6ebf7de66aa78a6716af767d36fb6fe70589386433cdc1ef10d78f3f752f09e05b22738d1561f1bb346a02d251b8bbeb3cfbfa11eea2b6cbaf5e
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9VB:C4Q2c94OtEvwDpj4H8zm
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 202405211a86d35de425a8584a86a11fa206542bcryptolocker.bin unpack001/out.upx
Files
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202405211a86d35de425a8584a86a11fa206542bcryptolocker.bin.exe windows:5 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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 36KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 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_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE