Behavioral task
behavioral1
Sample
2024-02-03_523b2bf950978ac5cbb75fa1acf7c199_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_523b2bf950978ac5cbb75fa1acf7c199_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_523b2bf950978ac5cbb75fa1acf7c199_cryptolocker
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Size
56KB
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MD5
523b2bf950978ac5cbb75fa1acf7c199
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SHA1
188a33892ec19370374596e2846d5eecfaaf97b7
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SHA256
6837552a199b10ad3fd70521e7c830fdcfeb497e75712f217c2b571df562186f
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SHA512
7898f9fb22ea1368813750ea0c17b53892378b280edba78f043cc0e6d8732529017ab880ad4485dffa320841db65eae799e9f24473fa7ea247631c004f0e4a5f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app6:z6QFElP6n+gKmddpMOtEvwDpj9aYaK
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 2024-02-03_523b2bf950978ac5cbb75fa1acf7c199_cryptolocker
Files
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2024-02-03_523b2bf950978ac5cbb75fa1acf7c199_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: 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