Behavioral task
behavioral1
Sample
2024-05-14_2f31997ca3c1a9fcd2b005534a31a62f_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-14_2f31997ca3c1a9fcd2b005534a31a62f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-14_2f31997ca3c1a9fcd2b005534a31a62f_cryptolocker
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Size
59KB
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MD5
2f31997ca3c1a9fcd2b005534a31a62f
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SHA1
541c09fe0c2056385b6dd4d2cf72ca49b29a7536
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SHA256
83a3b71baf6792bbd34dee64dac5ed9a781bcae58404a9abfb845015403a3357
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SHA512
c3ac1f75d728c5e8d647901e633770d06c4bbf8b835879e852007c4b8cb9556d81d9869e5c66d70c52ccd8cf10db78d8d341a0603b3f42cdac5a06b0ac21bee0
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6p/:H6QFElP6n+gou9cvMOtEvwDpjCpVXB
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 2024-05-14_2f31997ca3c1a9fcd2b005534a31a62f_cryptolocker
Files
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2024-05-14_2f31997ca3c1a9fcd2b005534a31a62f_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: 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