Behavioral task
behavioral1
Sample
NEAS.2023-09-25_a00272cca0bfb334581f23704f4f545d_cryptolocker.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-25_a00272cca0bfb334581f23704f4f545d_cryptolocker.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.2023-09-25_a00272cca0bfb334581f23704f4f545d_cryptolocker.exe
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Size
89KB
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MD5
a00272cca0bfb334581f23704f4f545d
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SHA1
47a99792e640a2d28165b2a777cf939b17e4f83b
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SHA256
d7e7ef53c5bd1fc31dea049c60ee54254fb1030e498183fbd49b32ed8d183809
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SHA512
ba5815d2c71a2a5d9b8b02fdad7f425c703ce4d55ab14a2612e5f521397d5e609454bb5c6c81b34021d946dff44af059be001b9cd7ba6517144774f8ab21ebd6
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpD:AnBdOOtEvwDpj6z4
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-25_a00272cca0bfb334581f23704f4f545d_cryptolocker.exe unpack001/out.upx
Files
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NEAS.2023-09-25_a00272cca0bfb334581f23704f4f545d_cryptolocker.exe.exe windows:5 windows 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: 32KB
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
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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ