Behavioral task
behavioral1
Sample
2024-04-22_a91c8aa55b9248eada3f511b7a15113b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_a91c8aa55b9248eada3f511b7a15113b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-22_a91c8aa55b9248eada3f511b7a15113b_cryptolocker
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Size
64KB
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MD5
a91c8aa55b9248eada3f511b7a15113b
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SHA1
7db3483a3fd715046755f16ed19538cff8652223
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SHA256
232d3ab556668ae7ea4bbc64fc1e5395f34c090c6022447353dd759cfb538e4a
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SHA512
e4780e6082c50a0282475bcf3a86bda53c3d656cbf4bc51ae9676eecbc05276938bceca0895a401b97d7ec7dae8a64e8a9d9e80480c09f21273ef1317257198f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8x0:1nK6a+qdOOtEvwDpjm
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 2024-04-22_a91c8aa55b9248eada3f511b7a15113b_cryptolocker
Files
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2024-04-22_a91c8aa55b9248eada3f511b7a15113b_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE