Behavioral task
behavioral1
Sample
2024-01-24_d552b3fb3d938bf1215ae36a61637671_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_d552b3fb3d938bf1215ae36a61637671_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_d552b3fb3d938bf1215ae36a61637671_cryptolocker
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Size
81KB
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MD5
d552b3fb3d938bf1215ae36a61637671
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SHA1
f5e57796f897a8d3bee6ff52ed2835d8c4579706
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SHA256
41a9ea505f631f0c14aa916f51d973f6da93d7f739325791512bfea25eaead9e
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SHA512
51decceef9c8e7e9967729c27daeab5165ac8a9e902d0a0c4bee8f3c1cbc944e84120b29b447937473816bb6dca26f8e0e16c63166d6ca79b007aef31edee2a9
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vq:T6a+rdOOtEvwDpjNG
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 2024-01-24_d552b3fb3d938bf1215ae36a61637671_cryptolocker
Files
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2024-01-24_d552b3fb3d938bf1215ae36a61637671_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_CODE
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