Behavioral task
behavioral1
Sample
2024-05-04_cb1e56579fb849c57b9c18c6815d0a57_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_cb1e56579fb849c57b9c18c6815d0a57_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_cb1e56579fb849c57b9c18c6815d0a57_cryptolocker
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Size
55KB
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MD5
cb1e56579fb849c57b9c18c6815d0a57
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SHA1
6164491bcea5d7ce86cc378403a41bc58a3f809b
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SHA256
6cfa09fa8a608ddd353f808c3c0eeb119b3abed7a9626f0d8c8ff298e65e8833
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SHA512
9847570d2c24be6321dcb2d0af6db20d5a71f9385d74e719bd477f6968f80be36687b514c0267c0e99cf33562152c49bd4afd83344897bf9f89f7ee086402439
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+L/:bP9g/xtCS3Dxx0JD
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-04_cb1e56579fb849c57b9c18c6815d0a57_cryptolocker
Files
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2024-05-04_cb1e56579fb849c57b9c18c6815d0a57_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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