Behavioral task
behavioral1
Sample
2024-05-29_8bff8c9d27e392310b0a2bbbec38e639_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-29_8bff8c9d27e392310b0a2bbbec38e639_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-29_8bff8c9d27e392310b0a2bbbec38e639_cryptolocker
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Size
91KB
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MD5
8bff8c9d27e392310b0a2bbbec38e639
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SHA1
db8e21683cdf33203459d87723c505a35fc21b76
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SHA256
40ae037485cf8c139893f7812b9350b42afc075132bceb35af34a683e8140ce2
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SHA512
0f803c1ef4867f72a1259c8c3a78308d1a4a4f5bd41eabaed939c464a1e94186bc8b2fc6147c01d7b51a8cb626258be4aa3bb5edea53ad774c9988278e1b847c
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/p:n6a+1SEOtEvwDpjYYvQd2PC
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 2024-05-29_8bff8c9d27e392310b0a2bbbec38e639_cryptolocker
Files
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2024-05-29_8bff8c9d27e392310b0a2bbbec38e639_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