Behavioral task
behavioral1
Sample
2024-01-25_4d42244e03a2db90c9fda2d7c6c8bcf5_cryptolocker.exe
Resource
win7-20231215-en
General
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Target
2024-01-25_4d42244e03a2db90c9fda2d7c6c8bcf5_cryptolocker
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Size
56KB
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MD5
4d42244e03a2db90c9fda2d7c6c8bcf5
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SHA1
a5cc536e38760232877c6911ccf11fa476df25e1
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SHA256
8f56045c26a9223c129cf8294a9b65001f56b070ae85cfffeccf02eb3c50981f
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SHA512
d7fd23f010967b5c712931720d51d30145d04dda57225e3b230e86334bbf93f5611e166f46d5363627c37e5880c6e552dfc5868818452c9a243d1112358561e7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appO:z6QFElP6n+gKmddpMOtEvwDpj9aYae
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 2024-01-25_4d42244e03a2db90c9fda2d7c6c8bcf5_cryptolocker
Files
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2024-01-25_4d42244e03a2db90c9fda2d7c6c8bcf5_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: 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE