Behavioral task
behavioral1
Sample
2024-05-20_81a47bfc732fafbebd356fb0080641bb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-20_81a47bfc732fafbebd356fb0080641bb_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-20_81a47bfc732fafbebd356fb0080641bb_cryptolocker
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Size
90KB
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MD5
81a47bfc732fafbebd356fb0080641bb
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SHA1
1c8dfeedc5e20424cc816b2fc31e27811ef3a2b3
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SHA256
ddfc611a40128de40c4e42b6ba63cf018537ccca53043559e58a1fa6e92a0b79
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SHA512
5125298a149bd2ef8ace5489559eb8276d9dddde7c8adb273e67949716949571b0fc2f8c1bcc06409d3d98ae0fbc45f35aa4cdc4298a9271d924eebf431eee4a
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/s:n6a+1SEOtEvwDpjYYvQd2Pr
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-05-20_81a47bfc732fafbebd356fb0080641bb_cryptolocker
Files
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2024-05-20_81a47bfc732fafbebd356fb0080641bb_cryptolocker.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE