Behavioral task
behavioral1
Sample
2024-01-28_b331da7f62a324fc9eb7796ef013387b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_b331da7f62a324fc9eb7796ef013387b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_b331da7f62a324fc9eb7796ef013387b_cryptolocker
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Size
61KB
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MD5
b331da7f62a324fc9eb7796ef013387b
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SHA1
b39b3378bf3d8ea622947a687193649d49d6e2d7
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SHA256
2dcc436e6c14b2a9ebdd0148e2b18900a4caea90fbf9b295e5f5a485c9103bf7
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SHA512
5110b525c29c9a5286e273a2ee92e4e63474cf395243cba544b707114baa7f3c0f46da12d0fa75ef34d6dd8a2c1a0cbd5655900d84e0d322ae1ff4312b1ee27a
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SSDEEP
768:P8mnjO6LsoEEeegiZPvEhHSG+gbum/kLyMro2GtOOtEvwDpjKvWxHCbSVaFn0jKl:P8mnK6QFElP6n+gymddpMOtEvwDpjYD
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 2024-01-28_b331da7f62a324fc9eb7796ef013387b_cryptolocker
Files
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2024-01-28_b331da7f62a324fc9eb7796ef013387b_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